Trex Enterprises Corporation
El Cajon, CA Doing business as Ophthonix
- UEI
- RN43FYPYNKP4
- CAGE
- 0ZKJ6
- Primary NAICS
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 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
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- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) Primary
- 334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- 541330 Engineering Services
- 541690 Other Scientific and Technical Consulting Services
- Corporate family
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Trex Enterprises Corporation
RN43FYPYNKP4
- Loea Corporation RFDAPK6UQEM3
- Trex Aviation Systems Corporation L55QFFGABBJ4
- Trex Hawaii, LLC P92MBLPNA9M3
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Trex Enterprises Corporation
RN43FYPYNKP4
- SAM.gov registration date
- Physical address
- 1300 N Johnson Ave #107, El Cajon, CA 92020, USA
- Website
- trexenterprises.com
- Founded
- 1978
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Capital Goods
- Aerospace & Defense
- SIC code
- 38 Instruments & Related Products
- 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 |
|---|---|---|---|
| Topic #: A254-038, direct to phase II, trex enterprises corporation | Department of the Army | $1,999,335 | |
| Small business innovation research phase i proposal number AF242-0007-0342 for rotor high speed imaging system (rhis) | Air Force Test Center | $179,515 | |
| Trex sbir phase i months 1-6 | ACC Aberdeen Proving Ground | $111,307 | |
| Small business innovation research phase II topic N222-089 celestial navigation system for long-range unmanned surface… | Marine Corps | $981,143 | |
| Sbir phase i research and development | Marine Corps | $239,702 |
About Trex Enterprises Corporation
Trex Enterprises Corporation, doing business as Ophthonix, is a small business manufacturer and research and development firm headquartered in El Cajon, California, and registered with the federal government since March 2002. The company specializes in advanced technology development and manufacturing across multiple high-tech domains, with a particular emphasis on defense and military innovation. Trex Enterprises has established itself as a consistent recipient of Small Business Innovation Research (SBIR) contracts across multiple Department of Defense agencies, demonstrating a robust capability to execute sophisticated federal research and development initiatives within the defense innovation ecosystem.
The company's federal contract portfolio reflects substantial technical expertise in celestial navigation systems, high-speed imaging technologies, wearable detection devices, personal display technologies, and advanced photonic systems. Recent prime contract awards include a $1.999 million Phase II SBIR contract from the U.S. Army (awarded September 2025, extending through September 2027) for Topic A254-038 with work performed in Manchester, New Hampshire; a $1.471 million Phase II SBIR contract from the Marine Corps (awarded July 2024) for the development of a celestial navigation system for long-range unmanned surface vehicles; and a $742,325 Phase II SBIR contract from the Air Force Research Laboratory (awarded April 2021) for personal display technology to eliminate visual eavesdropping. Additional prime awards include Phase I SBIR contracts from the Air Force Research Laboratory ($179,514.77 for a Rotor High Speed Imaging System), the U.S. Army Research, Development and Engineering Command ($167,183.84), and the Marine Corps ($239,702). The company has also received a Phase I SBIR contract from the Department of the Army Medical Command ($248,607) for development of a wearable radio frequency weapon exposure detector. All prime contracts maintain total small business set-aside designations, underscoring the company's small business status and reserved eligibility. Additionally, Trex Enterprises has served as a subcontractor to DRS Network & Imaging Systems LLC on multiple occasions since 2021, providing design support, component procurement, assembly work, and production support services, including parts selection and acquisition, board design releases, electrically functional unit delivery, and progress-based payments for various assemblies and systems.
Contract vehicles
SBA capabilities narrative
Trex is an employee owned small business with 30 years experience as a diversified high-tech company. Over 120 patents awarded in areas such as Adaptive and Electro-Optics, Communications, Radar Systems, Tracking Systems, Multi-spectral sensors, etc.
Quick answers
What is Trex Enterprises Corporation's UEI?
Trex Enterprises Corporation's Unique Entity ID (UEI) in SAM.gov is RN43FYPYNKP4.
What is Trex Enterprises Corporation's CAGE code?
Trex Enterprises Corporation's CAGE code is 0ZKJ6.
What is Trex Enterprises Corporation's primary NAICS code?
Trex Enterprises Corporation's primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).
Where is Trex Enterprises Corporation located?
Trex Enterprises Corporation's physical address in SAM.gov is 1300 N Johnson Ave #107, El Cajon, CA 92020, USA.
Is Trex Enterprises Corporation registered in SAM.gov?
Yes. Trex Enterprises Corporation's SAM.gov registration is active through August 28, 2027.
Which contract vehicles does Trex Enterprises Corporation hold?
Trex Enterprises Corporation holds a place on 1 federal contract vehicle: Seaport-NXG.
What is Trex Enterprises Corporation's most recent federal award?
Trex Enterprises Corporation's most recent federal contract award is Topic #: A254-038, direct to phase II, trex enterprises corporation (W5170125CA298), from Department of the Army, on September 30, 2025.
On GovTribe
See Trex Enterprises Corporation's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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