BBB Business Review

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This business is not BBB accredited.

Illinois Natural Gas Corporation

Additional Locations

Phone: (800) 434-8010 Fax: (800) 513-4083 View Additional Phone Numbers PO Box 7336, Chicago, IL 60680

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BBB Accreditation

This business is not BBB accredited.

Businesses are under no obligation to seek BBB accreditation, and some businesses are not accredited because they have not sought BBB accreditation.

To be accredited by BBB, a business must apply for accreditation and BBB must determine that the business meets BBB accreditation standards, which include a commitment to make a good faith effort to resolve any consumer complaints. BBB Accredited Businesses must pay a fee for accreditation review/monitoring and for support of BBB services to the public.

Reason for Rating

BBB rating is based on 13 factors. Get the details about the factors considered.

Customer Complaints Summary

0 complaints closed with BBB in last 3 years | 0 closed in last 12 months
Complaint Type Total Closed Complaints
Advertising/Sales Issues 0
Billing/Collection Issues 0
Delivery Issues 0
Guarantee/Warranty Issues 0
Problems with Product/Service 0
Total Closed Complaints 0

Customer Reviews Summary Read customer reviews

0 Customer Reviews on Illinois Natural Gas Corporation
Customer Experience Total Customer Reviews
Positive Experience 0
Neutral Experience 0
Negative Experience 0
Total Customer Reviews 0

Additional Information

BBB file opened: March 15, 2005
Business Management
Mr. Michael Kotlajic, President
Contact Information
Principal: Mr. Michael Kotlajic, President
Business Category

Natural Gas Companies Natural Gas Distribution (NAICS: 221210)

Additional Information

The contract offered locks consumers into a five-year plan. Consumers should evaluate the plan and pricing offered to see if it represents savings for them. The contract does not guarantee that the consumer will save money with this offer. Consumers should be aware that signing the contract switches them from their existing natural gas supplier to Illinois Natural Gas. The plan also allows the company to raise gas charges in the future. Under the terms of the contract, if Illinois Natural Gas notifies a consumer of a change in the price it is offering the consumer has thirty days to tell the company that they want to keep the terms of the original agreement. Consumers that want to cancel the program after the initial four day cancellation period must pay an exit fee. A fact sheet provided by the Citizens Utility Board reminds consumers that this offer is optional and if consumers do not sign up they will continue to be served by their utility, with rates and services regulated by the ICC. Consumers that want additional information can call the Citizens Utility Board at 800-669-5556 or visit their website at

Products & Services

This company is an unregulated alternative gas supplier that has been certified by the Illinois Commerce Commission (ICC) to participate in the Customer Select and Choices for You programs. Both programs allow consumers in northern Illinois to choose a company other than their utility to supply them with natural gas.


BBB Customer Review Rating plus BBB Rating Overview

BBB Customer Reviews Rating represents the customers opinions of the business. The Customer Review Rating is based on the number of positive, neutral and negative customer reviews posted that are calculated to produce a score.

Customer Review Experience Value
Positive Review 5 points per review
Neutral Review 3 points per review
Negative Review 1 point per review

BBB letter grades represent the BBB's opinion of the business. The BBB grade is based on BBB file information about the business. In some cases, a business' grade may be lowered if the BBB does not have sufficient information about the business despite BBB requests for that information from the business.

BBB Letter Grade Scale

BBB Rating Value
A+ 5
A 4.66
A- 4.33
B+ 4
B 3.66
B- 3.33
C+ 3
C 2.66
C- 2.33
D+ 2
D 1.66
D- 1.33
F 1
NR -----
Star Rating scale

  Average Score
5 stars 5.00
4.5 stars 4.50-4.99
4 stars 4.00-4.49
3.5 stars 3.50-3.99
3 stars 3.00-3.49
2.5 stars 2.50-2.99
2 stars 2.00-2.49
1.5 stars 1.50-1.99
1 star 0-1.49

BBB Customer Review Rating plus BBB Rating is not a guarantee of a business' reliability or performance, and BBB recommends that consumers consider a business' BBB Rating and Customer Review Rating in addition to all other available information about the business. If the BBB Rating is NR then only Customer Reviews are used for the Star Rating.