Ameren Illinois Company
Collinsville, IL Doing business as Central Illinois Light Co Part of Ameren Corporation
- UEI
- CM92B36ELJU7
- CAGE
- 3A2X3
- Primary NAICS
- 221122 Electric Power Distribution
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- Corporate family
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-
Ameren Corporation
Parent
YMJSTU6DNHE4
- Ameren Illinois Company CM92B36ELJU7
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Ameren Corporation
Parent
YMJSTU6DNHE4
- SAM.gov registration date
- Physical address
- 10 Richard Mark Wy, Collinsville, IL 62234, USA
- Website
- ameren.com
- Founded
- 1997
- Employees
- 5K-10K
- Estimated annual revenue
- $1B-$10B
- Industry
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- Utilities
- SIC code
- 96 Administration of Economic Programs
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| FY26 P4 ameren gas rider QTR 4 | Federal Correctional Institution Pekin | $23,367 | |
| FY26 P4 ameren gas rider QTR 3 | Federal Correctional Institution Pekin | $20,088 | |
| FY26 P4 ameren IL gas rider QTR 2 | Federal Correctional Institution Pekin | $30,500 | |
| FY26 P4 ameren gas rider QTR 1 RP# 26-0037 | Federal Correctional Institution Pekin | $21,801 | |
| Electric power | United States Penitentiary Marion | $75,882 |
About Ameren Illinois Company
Ameren Illinois Company, doing business as Central Illinois Light Co, is a for-profit utility subsidiary of Ameren Corporation that provides natural gas and electric power services to federal correctional facilities and other federal real-estate sites as a prime contractor, operating exclusively in full-and-open competition with no SBA set-asides across its 304 total awards.
Ameren Illinois is a captive utility supplier to the federal government, delivering electric power and natural gas utility services to Bureau of Prisons facilities, Veterans Affairs medical centers, General Services Administration-managed federal buildings, and Air Force installations. The company's federal work footprint spans NAICS categories 221112 (Fossil Fuel Electric Power Generation), 221122 (Electric Power Distribution), 221210 (Natural Gas Distribution), and related utility regulation and administration codes, with 241 awards under PSC 7400 (Utilities—Electric) and 45 under PSC 7410 (Utilities—Gas). Concrete named work includes quarterly natural gas rider service agreements with the Federal Correctional Institution Pekin and the United States Penitentiary Marion (valued between $13 thousand and $75 thousand per quarter for gas service, and approximately $70 thousand per year for electric power), electric utility service to federal prison factory operations, and ongoing electrical and gas utility support to VA medical facilities and GSA real-estate portfolios.
Customer concentration reflects the captive utility model. The Department of Justice Bureau of Prisons dominates by combined potential value: United States Penitentiary Marion accounts for 18 awards valued at $1.8 million, and Federal Correctional Institution Greenville carries 6 awards valued at $1.1 million. By award count, the Department of the Air Force leads with 157 awards, followed by the General Services Administration Public Buildings Service with 61 awards — but these Air Force and GSA awards are typically smaller-value utility deliveries per transaction. The vendor serves twelve distinct federal agencies in total. The top five customers account for 86% of recent awards.
Ameren Illinois places work under five primary Basic Ordering Agreements: BOA F1160279D0004 (154 task orders), BOA 15356370 (12 task orders), BOA 39401476 (12 task orders), BOA 39402912 (12 task orders), and BOA 86514688 (12 task orders). These BOAs structure recurring quarterly utility purchases from the Bureau of Prisons and periodic electric and gas service delivery across the federal real-estate and correctional portfolio.
Activity shows steady recurring volume. The past five years averaged roughly 2.6 awards per year; recent fiscal years brought four awards in 2025 and three in the first seven months of 2026. Combined potential value across all 304 awards totals $7.9 million, though combined obligated dollars reach $43.9 million, indicating significant actual invoiced revenue relative to ceiling values on these utility purchase orders. Only two awards (combined potential value $93 thousand) reach ultimate completion within the next twenty-four months, reflecting the stable, recurring nature of quarterly utility contracts with minimal recompete pressure. Ameren Illinois operates exclusively as a prime contractor (100% of awards); it holds no subcontractor positions.
Quick answers
What is Ameren Illinois Company's UEI?
Ameren Illinois Company's Unique Entity ID (UEI) in SAM.gov is CM92B36ELJU7.
What is Ameren Illinois Company's CAGE code?
Ameren Illinois Company's CAGE code is 3A2X3.
What is Ameren Illinois Company's primary NAICS code?
Ameren Illinois Company's primary NAICS code is 221122 (Electric Power Distribution).
Where is Ameren Illinois Company located?
Ameren Illinois Company's physical address in SAM.gov is 10 Richard Mark Wy, Collinsville, IL 62234, USA.
Is Ameren Illinois Company registered in SAM.gov?
Yes. Ameren Illinois Company's SAM.gov registration is active through January 16, 2027.
Who is Ameren Illinois Company's parent company?
Ameren Illinois Company is part of Ameren Corporation.
What is Ameren Illinois Company's most recent federal award?
Ameren Illinois Company's most recent federal contract award is FY26 P4 ameren gas rider QTR 4 (15B41126P00000121), from Federal Correctional Institution Pekin, on July 1, 2026.
On GovTribe
See Ameren Illinois Company's full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
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