Mainstream Contracting LLC
- UEI
- CN2YEVRDC776
- CAGE
- 9HKG3
- Primary NAICS
- 561210 Facilities Support Services
- SAM.gov registration
- Expired
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
-
- 561210 Facilities Support Services Primary
- 333120 Construction Machinery Manufacturing
- 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing
- 339991 Gasket, Packing, and Sealing Device Manufacturing
- 423850 Service Establishment Equipment and Supplies Merchant Wholesalers
- 532112 Passenger Car Leasing
- 532490 Other Commercial and Industrial Machinery and Equipment Rental and Leasing
- SAM.gov registration date
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Ball valve | Coast Guard | $128,250 | |
| Bulk metal materials | ACC Aberdeen Proving Ground | $367,994 | |
| Lateral flow development system | Plains Area | $114,310 | |
| AES, reheat pumps and seal kits | Plains Area | $19,660 | |
| MS-IMU 3030 | Naval Sea Systems Command | $19,455 |
About Mainstream Contracting LLC
Mainstream Contracting LLC is a minority-owned, for-profit limited liability company registered in the System for Award Management (SAM.gov) with an active registration until November 15, 2025. The company appears to be a small business specializing in supplying specialized equipment, components, and materials to various federal agencies across civilian and defense sectors. While specific details about the company's founding, location, or mission are not provided, its federal contract history demonstrates a strategic approach to providing niche technical and scientific products to government research and operational entities.
The company has successfully secured multiple small business set-aside federal contract awards from agencies including the U.S. Coast Guard, Department of the Army, U.S. Department of Agriculture, and Naval Sea Systems Command. Their recent contract portfolio includes delivering technical and scientific equipment such as 3-inch flanged ball valves for Coast Guard small boats, bulk metal materials (steel alloys, aluminum, and stainless steel) for the Army Research Laboratory, a Lateral Flow Development System for the USDA Agricultural Research Service, Grundfos reheat pumps and pump seals for research facilities, and an MS-IMU 3030 component for the Naval Sea Systems Command. These contracts, ranging in value from approximately $19,000 to $368,000, showcase Mainstream Contracting LLC's capability to provide precise, specialized equipment across diverse federal research, maritime, and defense applications, with a particular emphasis on supporting scientific and operational infrastructure through targeted material and equipment procurement.
Quick answers
What is Mainstream Contracting LLC's UEI?
Mainstream Contracting LLC's Unique Entity ID (UEI) in SAM.gov is CN2YEVRDC776.
What is Mainstream Contracting LLC's CAGE code?
Mainstream Contracting LLC's CAGE code is 9HKG3.
What is Mainstream Contracting LLC's primary NAICS code?
Mainstream Contracting LLC's primary NAICS code is 561210 (Facilities Support Services).
Is Mainstream Contracting LLC registered in SAM.gov?
Mainstream Contracting LLC's SAM.gov registration expired on September 12, 2026.
What is Mainstream Contracting LLC's most recent federal award?
Mainstream Contracting LLC's most recent federal contract award is Ball valve (70Z04024P50060B00), from Coast Guard, on August 16, 2024.
On GovTribe
See Mainstream Contracting LLC's full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
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