Oates Associates Inc.
Collinsville, IL
- UEI
- Y64LNMY68NW4
- CAGE
- 5NVB4
- Primary NAICS
- 541330 Engineering Services
- 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
- SAM.gov registration date
- Physical address
- 100 Lanter Ct #1, Collinsville, IL 62234, USA
- Website
- oatesassociates.com
- Founded
- 1956
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
- 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 |
|---|---|---|---|
| Study, wastewater treatment plant and EPA standards upgrades, 375 CES; B3300 | Air Mobility Command | $259,191 | |
| FY24 study, linear segmentation sewer study, 375 AMW | Air Mobility Command | $1,377,265 | |
| Design, adal flight attendant's operations and kitchen facility, B468 | Air Mobility Command | $107,467 | |
| A & e study linear segmentation | Air Mobility Command | $410,656 | |
| Fall arrest inspection | Department of the Army | $28,500 |
About Oates Associates Inc.
Oates Associates Inc. is a multi-disciplined design and engineering firm headquartered in Collinsville, Illinois, with operations spanning Illinois and Missouri. As a self-certified small disadvantaged business incorporated as a for-profit corporate entity, the company specializes in providing architectural and engineering services to federal agencies, with a primary focus on infrastructure assessment, facility design, and construction engineering. Since its registration with SAM.gov in September 2009, Oates Associates has established itself as a reliable provider of specialized technical services supporting critical government operations and facility requirements.
Oates Associates has demonstrated substantial expertise through its federal contract work, which has been concentrated with the U.S. Air Force's Air Mobility Command at Scott Air Force Base in Illinois. The company holds a $2.4 million single-award indefinite delivery, indefinite quantity contract with Air Mobility Command, under which it has received three prime delivery orders totaling approximately $1.74 million. These delivery orders encompass linear segmentation sewer studies ($1.38 million awarded June 2024, due for completion June 2026), wastewater treatment plant evaluation and EPA standards upgrade studies ($259,191.46 awarded October 2025, due October 2026), and facility design work for the Flight Attendant's Operations and Kitchen Facility ($107,466.95 awarded October 2023, completed July 2024). All of these awards were issued as firm fixed-price delivery orders without small business set-asides. Additionally, Oates Associates has served as a subcontractor to Oculus Inc., providing engineering services on federal contracts awarded in March 2024. The company's work demonstrates specialized competency in infrastructure analysis, wastewater systems evaluation, and facility design engineering that directly supports Air Mobility Command's mission-critical operations at Scott AFB.
SBA capabilities narrative
Services include engineering, transportation planning, traffic engineering, highway and street design, building design, storm water management, site design, structural engineering, and urban planning.
Quick answers
What is Oates Associates Inc.'s UEI?
Oates Associates Inc.'s Unique Entity ID (UEI) in SAM.gov is Y64LNMY68NW4.
What is Oates Associates Inc.'s CAGE code?
Oates Associates Inc.'s CAGE code is 5NVB4.
What is Oates Associates Inc.'s primary NAICS code?
Oates Associates Inc.'s primary NAICS code is 541330 (Engineering Services).
Where is Oates Associates Inc. located?
Oates Associates Inc.'s physical address in SAM.gov is 100 Lanter Ct #1, Collinsville, IL 62234, USA.
Is Oates Associates Inc. registered in SAM.gov?
Yes. Oates Associates Inc.'s SAM.gov registration is active through December 4, 2026.
What is Oates Associates Inc.'s most recent federal award?
Oates Associates Inc.'s most recent federal contract award is Study, wastewater treatment plant and EPA standards upgrades, 375 CES; B3300 (FA440725F0165), from Air Mobility Command, on October 6, 2025.
On GovTribe
See Oates Associates Inc.'s full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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