Data Science with R Certification in Normal, IL

Data Science with R Training Program Overview Normal, IL

Data Science with R Certification: The Non-Negotiable Lever for High-Value Data Science Role

You've spent years in Excel or basic SQL, generating historical reports that tell management what they already knew last quarter. Your job is data analysis, but your output is descriptive, not predictive. The industry has moved on: companies in Chennai, Mumbai, and Delhi are building predictive maintenance models, fraud detection systems, and customer churn scores. They're not looking for report writers; they're paying a 50%+ premium for certified professionals who can code in R and turn complex data science projects into clear, profitable business outcomes. The market for data science jobs is expanding rapidly, and employers are seeking proof of technical capability through a data science certification. You're currently stuck because your resume lacks the right keywords - Hypothesis Testing, Generalized Linear Models, RMarkdown, and ggplot2 - the same ones HR filters use to shortlist top data science professionals. Without a recognized data science course credential, you're invisible in the hiring pipeline. That stops now. This isn't another generalized data science course online. This program is designed by practicing Data Scientists to bridge the massive gap between data analysis and rigorous predictive modeling. You'll not only learn how to build models but why they work: understanding the assumptions behind regression, handling messy real-world datasets with missing values and outliers, and interpreting model coefficients to guide data science for business decisions - not just achieving a high R-square. Our Data Science with R Certification program helps you move beyond theory into application. Through hands-on labs in RStudio, you'll complete multiple data science projects using real datasets from finance, retail, and e-commerce. You'll master essential techniques like hypothesis testing, classification, and clustering - skills directly tied to higher data science salary ranges and leadership opportunities. This course is tailored for Analysts, BI Developers, Statisticians, and aspiring data scientists in Normal, IL who want to upskill fast. You'll gain access to mentor feedback, curated data science interview questions, and a professional portfolio that showcases your ability to solve business problems through data science and analytics. Whether you aim for a full-fledged data science degree, an entry-level data science internship, or a transition into a senior data science role, this certification gives you the credibility and confidence to succeed. Stop settling for low-impact reporting - start building predictive models that drive real business growth and shape strategic decisions.

Data Science with R Training Course Highlights in Normal, IL

More Than a Course- It's Your Career Accelerator

Rigorous Statistical Modeling Focus

Dedicated deep dives into Regression, Classification, and Clustering, ensuring you master the three pillars of enterprise analytics.

30+ Hours of Live R Coding Labs

Intensive, hands-on practice in R Studio for data manipulation (dplyr), visualization (ggplot2), and complex model construction.

Exhaustive 2000+ Practice Scenarios

Cut through generic test banks. Our questions focus on statistical assumptions, model interpretation, and practical R coding output.

Mastery of Critical R Packages

Gain practical fluency in the packages that matter most in production: tidyverse, caret, e1071, and core statistical libraries.

Portfolio-Ready Final Project

Complete an end-to-end Data Science project (data cleaning to model deployment) that you can showcase to employers in Normal, IL's highly competitive analytics market.

24x7 Expert Guidance & Support

Get immediate, high-quality help from certified Data Scientists on your R code errors, statistical confusion, and model validation issues.

Practical Application

Data Science with R Certification Training Program

Applying machine learning algorithms to real-world datasets using R programming ensures accurate predictions and informed decision-making. R's versatility in handling large datasets and executing complex statistical models simplifies the process of data analysis and visualization. By leveraging Python libraries such as Pandas and NumPy to preprocess data, train models, and test hypotheses, students can efficiently extract insights from structured and unstructured data.

Through hands-on practice, students develop expertise in linear regression, decision trees, and clustering algorithms, enabling them to tackle business problems in data-driven industries. Familiarity with RStudio's integrated development environment (IDE) streamlines the process of modifying and testing code, saving time and effort. Data Science with R Certification Training Program at our Normal, IL location equips professionals with the skills needed to extract value from data, driving business growth and competitiveness.

The program's focus on exploratory data analysis (EDA) and data visualization instills students with the ability to communicate insights effectively. By analyzing case studies and real-world examples, students learn to apply statistical modeling techniques to optimize business outcomes. Data Science with R Certification Training Program graduates possess the knowledge and skills to apply machine learning and statistical modeling techniques in various business contexts.

Corporate Training

Tailored programs for teams with enterprise support

Learning Models

Choose from digital or instructor-led training for a customized learning experience.

LMS Platform

Access an enterprise-grade Learning Management System built for scalability and security.

Pricing Options

Pick from flexible pricing plans that fit your team size and learning goals.

Performance Dashboards

Track progress with intuitive dashboards for individuals and teams.

24x7 Support

Get round-the-clock learner assistance whenever you need help.

Account Manager

Work with a dedicated account manager who ensures smooth delivery and support.

Ready to transform your team?

Get a custom quote for your organization's training needs.

Request Corporate Quote

Career Relevance

According to a recent report, 85% of data scientists and analysts use R for statistical analysis and data visualization. Bureau of Labor Statistics predicts a 14% growth in employment opportunities for data scientists and analysts through 2030. Data Science with R Certification Training Program at our Normal, IL location meets the industry's demand for professionals with expertise in machine learning, Python, and R programming.

Employers value candidates with hands-on experience in data analysis, machine learning, and statistical modeling. Professionals with R certification demonstrate their ability to address complex business problems with data-driven solutions. Data Science with R Certification Training Program graduates possess the skills and credentials to secure in-demand jobs in data science and analytics.

The increasing use of data analytics and machine learning in business decision-making has driven the demand for professionals with expertise in these areas. Data Science with R Certification Training Program students learn to extract insights from complex data sets using R programming and statistical modeling techniques. Employers recognize the value of certified professionals who can apply data science skills to drive business growth and competitiveness in Normal, IL's data-driven industries.

Upcoming Schedule

Join the next batch that fits your timezone

Skills You Will Gain In Our Data Science with R Training Program

From Knowledge to Actionable Intelligence

Statistical Inference & Hypothesis Testing

Move beyond p-values. You will learn to design rigorous A/B tests and draw statistically valid conclusions that confidently inform million-dollar business decisions.

Data Manipulation & Munging

Become ruthlessly efficient. Master the tidyverse suite (dplyr, tidyr) to clean, transform, and reshape messy, real-world data from Normal, IL systems (e.g., CSV, JSON) in seconds.

Predictive Modeling (Regression)

Build robust forecasting systems. You will master Linear and Generalized Linear Models (GLMs), understanding assumptions, diagnostics, and interpretation of coefficients for critical business drivers.

Advanced Classification Techniques

Solve real-world classification problems (e.g., fraud, churn). You will implement Logistic Regression, Decision Trees, and Random Forests in R, and interpret their output.

Unsupervised Learning (Clustering/Association)

Uncover hidden customer segments. You will master K-Means clustering and Association Rules (Market Basket Analysis) to drive personalized marketing and inventory strategy.

Advanced Data Visualization

Stop sending ugly charts. Master ggplot2 to create compelling, publication-quality data visualizations that effectively communicate complex model results to non-technical stakeholders.

Who This Program Is For

Ideal Candidates for Data Science with R Certification

Business Intelligence (BI) Analysts

Market Researchers

Statisticians / Economists

Data Analysts

Software Engineers Aiming for Data Science

Experienced IT Professionals Seeking a Domain Pivot

If you have a solid analytical mindset, basic programming exposure, and are tired of being overlooked for high-impact roles, this intensive training in R and statistical modeling is your required path to a Data Scientist title.

Skill Development

The program's comprehensive curriculum covers data preprocessing, machine learning algorithms, and statistical modeling techniques using R programming. Students develop expertise in Python libraries such as Pandas, NumPy, and Matplotlib to create interactive visualizations and perform data analysis. Data Science with R Certification Training Program emphasizes the importance of data visualization in communicating insights effectively to stakeholders.

Through a combination of lectures, hands-on practice, and case studies, students gain knowledge in machine learning algorithms, including linear regression, decision trees, and clustering. Professionals with R certification demonstrate their ability to work with large datasets and execute complex statistical models using RStudio's IDE. Data Science with R Certification Training Program students learn to apply R programming to extract insights from structured and unstructured data.

Data Science with R Certification Training Program emphasizes the importance of exploratory data analysis (EDA) and data visualization in identifying patterns and trends in complex datasets. Professionals with expertise in R programming and statistical modeling can address business problems with data-driven solutions. Data Science with R Certification Training Program graduates possess the skills to apply machine learning and statistical modeling techniques in various business contexts.

Data Science with R Certification Training Program Roadmap in Normal, IL

The Step-by-Step System for First-Attempt Success

Step 1: Secure Your Path

Commit to the course and establish a rigorous 6-week R study plan.

Step 2: Master the Code

Achieve fluency in R programming, data structures, and the tidyverse ecosystem through intensive labs.

Step 3: Internalize the Math

Conquer Hypothesis Testing and Regression analysis, focusing on the interpretation, not just the formula.

Step 4: Build the Portfolio

Construct, validate, and document complex Classification and Clustering models using real data.

Step 5: Find & Fix Flaws

Pinpoint weaknesses using 2000+ scenario questions that test your statistical and coding accuracy.

Step 6: Execute & Pass

Take the certification exam with unshakeable confidence in your modeling and R execution skills.

Step 7: Leverage Your Credential

Apply for senior Data Scientist roles where certified proficiency in R is mandatory.

1/7

Why get Data Science certified?

The Credential That Ends the Gatekeeping

Stop getting filtered out by HR bots

Get the senior Data Scientist and Modeling interviews your statistical and technical experience already deserves.

Unlock the higher salary bands and specialized roles

Unlock the higher salary bands and specialized roles reserved for professionals who can build and deploy complex statistical models.

Transition from descriptive reporting to strategic, predictive analytics

Transition from descriptive reporting to strategic, predictive analytics, earning a mandatory seat at the core business decision-making table.

Eligibility and Pre-requisites

For Data Science Certification

There is no single global R certification, but the core objective is to validate practical, demonstrable competence in statistical modeling using the R language. To prove your capability, you must meet the following:

Eligibility Criteria:

Formal Statistical Training: Completion of a comprehensive program covering inferential statistics, regression, and machine learning algorithms (satisfied by this course).

R Coding Proficiency: Mandatory, demonstrable ability to write, debug, and optimize R code for data cleaning, visualization, and model building using standard packages.

Domain Knowledge: A strong analytical mindset and foundational understanding of business problems that predictive modeling is designed to solve.

Work Responsibilities

Professionals with R certification work with business stakeholders to understand data requirements and develop data-driven solutions. They apply machine learning algorithms and statistical modeling techniques using R programming to extract insights from complex data sets. Data Science with R Certification Training Program at our Normal, IL location equips professionals with the skills needed to drive business growth and competitiveness.

Data scientists and analysts with R expertise work with business leaders to inform strategic decisions based on data analysis and insights. They leverage R programming and statistical modeling techniques to identify areas for improvement and develop data-driven solutions. Data Science with R Certification Training Program graduates possess the knowledge and skills to apply machine learning and statistical modeling techniques to optimize business outcomes.

Data Science with R Certification Training Program at our Normal, IL location prepares professionals for roles in data science and analytics, including data analysis, machine learning, and statistical modeling. Professionals with R certification demonstrate their ability to work with large datasets and execute complex statistical models using RStudio's IDE. Data scientists and analysts with R expertise drive business growth and competitiveness in Normal, IL's data-driven industries.

Course Modules & Curriculum

Comprehensive modules covering all knowledge areas

Module 1 Foundational R Programming and Data Structures ▾

Lesson 1: Introduction to Business Analytics and R

Learn the data science definition, the role of a Data Scientist, and how data science and analytics impact modern business. Set up R and RStudio - the foundation for any data science course online or data science certification.

Lesson 2: R Programming and Data Structures

Master core R data types (vectors, lists, matrices, data frames) and control structures. Import and export data for real-world data science projects and data science for business applications that boost your data science jobs potential.

Lesson 3: Apply Functions and Efficient Data Manipulation

Master the apply family of functions (lapply, sapply, tapply) for faster data iteration. Achieve fluency in dplyr verbs (select, filter, mutate, group_by, summarise).

Module 2 Statistical Inference and Hypothesis Testing ▾

Lesson 1: Introduction to Statistics for Data Science

A brutal, practical overview of descriptive statistics, probability distributions, and inferential concepts (sampling, Central Limit Theorem). Focus on application, not academic proofs.

Lesson 2: Hypothesis Testing I (T-Tests and ANOVA)

Master the core process of hypothesis formulation, test selection, and p-value interpretation. Hands-on implementation of T-tests and ANOVA in R for comparing means and making valid conclusions.

Lesson 3: Hypothesis Testing II (Chi-Squared and Non-Parametric)

Analyze categorical data using Chi-Squared tests and apply non-parametric methods when normal assumptions fail. Learn to make statistically sound decisions in real-world data science projects that drive data science for business success and contribute to higher data science salary potential.

Module 3 Predictive Modeling (Regression and Classification) ▾

Lesson 1: Regression Analysis

Master the assumptions and interpretation of Simple and Multiple Linear Regression. Learn model diagnostics, variable selection, and how to effectively communicate model coefficients to business leadership.

Lesson 2: Classification Models (Logistic Regression)

Dive deep into Logistic Regression for binary classification problems. Understand concepts like log-odds, ROC curves, AUC, and how to set appropriate threshold values for optimal business impact.

Lesson 3: Tree-Based Models (Decision Trees & Random Forests)

Implement powerful non-linear classification models. Master Decision Trees and Random Forests in R, learning hyperparameter tuning and variable importance interpretation for robust, high-accuracy predictions.

Module 4 Unsupervised Learning and Visualization ▾

Lesson 1: Clustering Techniques

Explore how Data Science uses K-Means and Hierarchical Clustering to uncover hidden customer segments and data anomalies. Learn to evaluate cluster validity and apply results to data science projects and data science for business strategies that enhance decision-making and boost your data science jobs potential.

Lesson 2: Association Rule Mining

Implement the Apriori algorithm for Market Basket Analysis. Learn how to calculate and interpret Support, Confidence, and Lift to drive product recommendation and inventory decisions.

Lesson 3: Advanced Data Visualization

Master ggplot2 to create complex, informative, and visually compelling plots (scatter plots, box plots, heat maps, facets) to clearly communicate model findings and data insights.

Module 5 Model Validation, Time Series, and Advanced R ▾

Lesson 1: Model Evaluation and Validation

Master key performance metrics (Accuracy, Precision, Recall, F1-Score) and techniques like cross-validation to ensure your models are robust and perform reliably on unseen data.

Lesson 2: Introduction to Time Series Forecasting

A practical overview of time series components (trend, seasonality). Introduction to basic forecasting methods (Moving Averages, ARIMA) to handle temporal data common in Normal, ILretail and finance.

Lesson 3: Advanced R Reporting and Productionization

Create dynamic reports and dashboards using RMarkdown to present insights effectively. Learn code optimization and production best practices - key abilities valued in data science internships and senior-level data science projects. Build end-to-end solutions that increase your impact and boost your data science salary potential.

Data Science with R Certification & Exam FAQ

Find answers to common questions about our course and certification

Is R still relevant for Data Science, or should I just learn Python? ▾

R remains the gold standard for statistical computing and visualization. Major companies in Normal, ILand globally, especially in finance, pharma, and research, rely heavily on R. Competence in both is ideal, but R mastery is a non-negotiable requirement for high-end statistical modeling roles.

How much does the R certification exam cost Normal, IL? ▾

Since R is open-source, the primary certifications validating R proficiency (e.g., vendor/third-party exams) vary widely, generally costing between $150 and $400. You must confirm the fee for your chosen vendor.

What are the prerequisites for this Data Science with R training? ▾

Foundational statistics (mean, median, standard deviation) and basic programming logic are required. This ensures learners can succeed in practical data science projects

How long is the R certification exam and what is the format? ▾

Exams typically run for 90 to 120 minutes and are often a mix of scenario-based multiple-choice questions testing statistical interpretation and practical sections requiring you to write or debug R code snippets.

What is the passing score for the R certification exam? ▾

Most certification bodies require a score of around 70-75% to pass. Our simulators are engineered to get you consistently scoring above 85%, making the passing score irrelevant.

Do I need to memorize all the R package syntax for the exam? ▾

No. You need to understand the logic, key functions, and correct usage of core packages like dplyr and ggplot2. R is open-book in practice; the exam tests your modeling competency, not your memory.

Can I take the Data Science with R certification exam online from home? ▾

Yes. Most exams are offered via online proctoring. Be warned: a stable internet connection in cities like Normal, IL is crucial, as any disconnection often invalidates the attempt.

How do I get hands-on practice with real-world data using R? ▾

Our course uses realistic datasets from Normal, ILindustries (telecom churn, e-commerce), preparing you for real data science jobs and data science internships.

How long is my R certification valid for? ▾

Most data science-related certifications have a validity of 2 to 3 years. Renewal typically requires recertification or completing Continuous Professional Education (CPE) requirements to prove your skills are current.

What R packages are considered mandatory for a Data Scientist role in Normal, IL? ▾

dplyr and ggplot2 (for data handling and visualization) and the core modeling packages like caret and those for Linear/Logistic Regression are non-negotiable essentials we focus on.

Does this course cover SQL connectivity using R? ▾

Yes. We cover practical R packages like DBI and RMySQL/RPostgresSQL for connecting R to relational databases, a mandatory skill for any Data Scientist working with enterprise data in Chennai or Pune.

Will the course cover model deployment or just local development? ▾

Yes. Focus on production-ready workflows, RMarkdown reports, and best practices for moving R models to production, boosting your data science salary potential.

What is the role of the apply functions in R? ▾

They are crucial for efficient data processing. You must understand how to use lapply and sapply to avoid slow, explicit loops, demonstrating efficient, high-performance R coding required in production.

What level of math is required to succeed in the Hypothesis Testing modules? ▾

College-level algebra and basic statistics are sufficient. The focus is on interpreting outputs for real-world data science for business insights.

Is this certification relevant for Big Data environments like Hadoop/Spark? ▾

Yes. R has powerful integration capabilities with Big Data platforms, notably through libraries like Sparklyr. Mastering the core statistical modeling in R is the mandatory first step before integrating with scale-out architectures.

Skill Gap

According to a recent survey, 90% of employers consider data science skills essential for business success. Professionals with R certification fill the gap in expertise in machine learning, Python, and R programming. Data Science with R Certification Training Program at our Normal, IL location addresses the industry's demand for professionals with expertise in data science and analytics.

The increasing use of data analytics and machine learning has driven the demand for professionals with expertise in these areas. Data Science with R Certification Training Program students learn to extract insights from complex data sets using R programming and statistical modeling techniques. Professionals with R certification demonstrate their ability to address complex business problems with data-driven solutions.

Data Science with R Certification Training Program addresses the skill gap in R programming, statistical modeling, and machine learning by providing hands-on training and practical experience. Professionals with R certification possess the skills and credentials to secure in-demand jobs in data science and analytics. Employers recognize the value of certified professionals who can apply data science skills to drive business growth and competitiveness in Normal, IL's data-driven industries.

Customer Testimonials

Hear from our successful graduates

★ ★ ★ ★ ★

Great class, very informative.

James Conklin

Project Manager, Harris Health System

★ ★ ★ ★ ★

Great PMP® Bootcamp. I had a great time taking this course. I took the course to prepare to sit for the CAPM® but may be able to sit for the PMP®. I learnt a lot was challenging. Great course. We need one more day. Content was very detailed.

Karle Scroggins

Operations Coordinator, Harris Health System

★ ★ ★ ★ ★

it was a great class. Lots of energy. And I enjoyed.

John Denke

Project Manager , Boeing

★ ★ ★ ★ ★

Fantastic course to prepare for PMP® exam.

Kevin Hambrice

Global Factory Sales & Marketing Manager, ABB

★ ★ ★ ★ ★

As a participant it was smooth sailing for me.

Eric S. Tumlinson

Sr. Project Manager, Montco Oilfield Contractors, LLC

★ ★ ★ ★ ★

Trainer was excellent. Shared good resources and good experiences.

Khemoni Holmes

Project Manager, Harris Health System

★ ★ ★ ★ ★

Good content and training.

Dennis Glover

Project Manager, eProtex

★ ★ ★ ★ ★

I wanted to let you know that I took and passed the PMP exam. Thanks to iCert Global and especially my Cincinnati course instructor, who was an excellent teacher and helped me immensely.

Steve Ditty

Executive Director, Cogent IBS

★ ★ ★ ★ ★

Trainer was good. Trainer was very engaged and interacting. Very much satisfied with the training.

Stefan Long

Owner, MAGMAX Group LLC

★ ★ ★ ★ ★

I was pleasantly surprised at the quality of this training. Yomi was awesome as a trainer and working to make sure that we understood the concepts. Controlling Cost and Controlling Risk are the most complicated, but Yomi spent time after class working through questions to help others understand. This class also helped to change my perception of the PMP being this MONSTER to something that I can I can successfully do.

Nancy Davis

Sr. Project Manager , GK Software USA, Inc

★ ★ ★ ★ ★

Great class with a lot of information and tips to prepare for the exam

John Eric Nelson

Business Development Manager , WCA Waste

★ ★ ★ ★ ★

It was a great course, covered all the things that i ended up hitting road bumps on. I was the only one in the class, but the trainer was just as involved as if it had been a full class.

Mark Butler

Project Manager, Starbucks Via Aerotek

★ ★ ★ ★ ★

I was nervous about taking it online versus classroom; but I am actually glad I took it online. Instructor was very great and gave a good learning experience with his relevant project management experience.

Xeng Yang

IT Specialist, Beautiful Creations & More

★ ★ ★ ★ ★

The training was very intense but covered with course material. It was more than I expected.

Bernadette Gilliam

Operations/Technical Support Analyst , The Johns Hopkins Hospital

★ ★ ★ ★ ★

I thought the class was very informative. The instructor did an excellent job breaking down each chapter to where it was easy to understand. I was also very impressed with his commitment to help us pass ever after the class is over.

Taylor Mitchell

Business Management, AT&T

★ ★ ★ ★ ★

Excellent training. Instructor was very knowledgeable and explained information in an understandable way

Sandra Hamilton Allen

Sales Analyst , Alcon

★ ★ ★ ★ ★

Quality Materials presented, Instructor very knowledgeable. Exceeded my expectations.

Anthony Muldrow

Engineering Safety Manager, SNC-Lavalin

★ ★ ★ ★ ★

The training is a great introduction into the PMI mindset. Very informative and helpful

Bryan Tamburro

Managing Partner, Arrakis Development LLC

Course & Support

Everything you need to know about our training options and support

How long does the training take to complete? ▾

The program is delivered over an intensive, structured 6-week period. This provides the necessary pace for deep statistical concept assimilation and hands-on coding practice.

What are the different training formats available? ▾

We offer three options: E-Learning for ultimate self-pacing, Instructor-Led Live Classes for real-time interaction, and Classroom Training in metros like Mumbai for an immersive, focused environment.

Are the classes fully interactive or just passive lectures? ▾

Our LIVE sessions are fully interactive, with mandatory coding exercises, Q&A, and live debugging sessions where you share your screen and work through errors with the instructor.

What R software or tools do I need to install? ▾

You only need to install R and RStudio Desktop (both free). Our instructors guide you through the setup and package installation in the first module.

What if I miss a scheduled live class session? ▾

Every single session is recorded in high-quality video and uploaded within 24 hours. You also have the flexibility to attend the missed session in any other running batch at no extra charge.

Who are the instructors Normal, IL? ▾

Our instructors are senior Data Scientists and Analytics Consultants with 8+ years of experience, holding advanced degrees and actively building predictive models for enterprise clients.

What is the average class size for the live sessions? ▾

We cap all live online sessions at 25 participants to ensure every student receives personalized code review, direct statistical coaching, and ample time for Q&A.

Is there a difference between the weekend and weekday batches? ▾

No. The curriculum, R code assignments, instructor expertise, and statistical rigor are identical. The only difference is the schedule pacing to fit your professional life.

Do I need access to any paid data sources or libraries? ▾

No. We utilize publicly available, industry-standard datasets and only use free, open-source R packages. Your only expense is the course fee and the exam fee.

Is this training valid for candidates outside Normal, IL? ▾

Yes. The principles of Data Science, R programming, and statistical modeling are global standards. Our online classes are accessible worldwide.

Data Science with R Training in Other Cities

Arlington Heights, IL Aurora, IL Bartlett, IL Belleville, IL Berwyn, IL Bloomington, IL Bolingbrook, IL Buffalo Grove, IL Carol Stream, IL Champaign, IL Chicago, IL Cicero, IL Crystal Lake, IL Decatur, IL DeKalb, IL Des Plaines, IL Downers Grove, IL Elgin, IL Elmhurst, IL Evanston, IL Glenview, IL Hoffman Estates, IL Joliet, IL Lombard, IL Moline, IL Mount Prospect, IL Naperville, IL Normal, IL Oak Lawn, IL Oak Park, IL Orland Park, IL Palatine, IL Peoria, IL Plainfield, IL Quincy, IL Rockford, IL Romeoville, IL Schaumburg, IL Skokie, IL Springfield, IL Streamwood, IL Tinley Park, IL Urbana, IL Waukegan, IL Wheaton, IL Wheeling, IL