Comprex, LLC
La Crosse, WI
- UEI
- NKXDKD2W5TN1
- CAGE
- 7B4S3
- Primary NAICS
- 332410 Power Boiler and Heat Exchanger Manufacturing
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 1100 Kane St, La Crosse, WI 54603, USA
- Website
- comprex-llc.com
- Employees
- 1-10
- Estimated annual revenue
- $0-$1M
- Industry
-
- Industrials
- Capital Goods
- Industrial Conglomerates
- Industrials & Manufacturing
- SIC code
- 35 Industrial Machinery & Equipment
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $50,325 |
| FY2025 | $0 |
| FY2024 | $90,000 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $50,325 |
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Heat exchanger assembly | Air Force Sustainment Center (AFMC) | $140,325 | |
| Submittal drawings and printed circuit heat exchanger | Naval Supply Systems Command (Navy) | $26,000 |
Grant awards
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Thermofin | Candiac, QC | 332410 Power Boiler and Heat Exchanger Manufacturing |
| International Mezzo Technologies, Inc. | Baton Rouge, LA | 332410 Power Boiler and Heat Exchanger Manufacturing |
| Industrial Heat Transfer, Inc. | Coon Valley, WI | 332410 Power Boiler and Heat Exchanger Manufacturing |
| API Heat Transfer Inc. | Buffalo, NY | 332410 Power Boiler and Heat Exchanger Manufacturing |
| Micro Cooling Concepts, Inc. | Huntington Beach, CA | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) |
About the company
Comprex, LLC is a minority-owned, small disadvantaged business registered in SAM.gov, specializing in high-temperature and high-pressure heat exchange equipment for military and civilian applications. Located in La Crosse, Wisconsin, the company is structured as a for-profit limited liability company with a diverse business classification, including Asian-Pacific American ownership. Comprex, LLC demonstrates expertise in developing sophisticated heat exchangers and related technical components for advanced engineering environments, serving both defense and energy sector clients.
Through federal contract awards, Comprex, LLC has provided specialized equipment to military and defense organizations, particularly focusing on heat exchange and propulsion system components. The company was awarded a $90,000 firm fixed-price purchase order from the U.S. Air Force Materiel Command Air Force Sustainment Center to produce a Heat Exchanger Assembly for a Propulsion System Rocket Engine, with a completion date of November 24, 2025. Another contract with the Naval Education and Training Command involved a $26,000 purchase order for submittal drawings and printed circuit heat exchangers. The contracts were not exclusively set aside for small businesses, indicating Comprex, LLC's competitive capabilities in open solicitations.
In the federal grant arena, Comprex, LLC has secured two significant project grants from the Department of Energy's Office of Science, totaling $355,572. These grants focus on advanced heat exchanger development for nuclear energy applications. The first grant, valued at $175,066, supports developing a highly efficient diffusion bonded Inconel 617 heat exchanger, while the second grant of $180,506 aims to create a low-cost, modular diffusion-bonded heat exchanger. Both grants are part of the Office of Science Financial Assistance Program and run from July 2025 to July 2026, demonstrating the company's commitment to innovative research in energy technology. Additionally, Comprex, LLC has performed subcontract work with Fluor Marine Propulsion, LLC on designing and building compact steam generators, further showcasing its technical versatility in energy and engineering sectors.
Quick answers
Is Comprex, LLC registered in SAM.gov?
Yes. Comprex, LLC's SAM.gov registration is active through April 10, 2027.
How much has Comprex, LLC received in federal contracts?
Federal contracts obligated $140,325 to Comprex, LLC in fiscal years 2023 through 2027.
What is Comprex, LLC's most recent federal award?
Comprex, LLC's most recent federal grant award is Low cost modular diffusion bonded heat exchanger (DESC0026136), from Office of Science, on July 8, 2025.
On GovTribe
See Comprex, LLC's full federal record
- Federal contract awards
- Federal grant awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors