Apsidal LLC
Riverside, CA Apsidal
- UEI
- Q6YAKAPF9U83
- CAGE
- 8AVP4
- 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
- SAM.gov registration date
- Physical address
- 3600 Lime St Suite 725, Riverside, CA 92501, USA
- Website
- apsidal.org
- Employees
- 1-10
- Estimated annual revenue
- $0-$1M
- Industry
-
- Industrials
- Commercial & Professional Services
- Professional Services
- SIC code
- 97 National Security & International Affairs
- 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 |
|---|---|---|---|
| Sbir phase i, topic number O254-009, faraday optical isolator on a photonic integrated laser circuit | Department of the Army | $314,233 | |
| A study of quantum sensing and communications applications for exotic optical fibers manufactured from materials… | Shared Services Center | $214,070 | |
| Research and development | Naval Air Warfare Center | $999,864 | |
| Sbir II: superior high-energy fiber-laser optical isolators proposal number: F2-18567 | Air Force Research Laboratory | $1,799,900 | |
| Sbir/sttr phase II r & d | Missile Defense Agency | $1,980,077 |
About Apsidal LLC
Apsidal LLC Apsidal Division, a minority-owned, self-certified small disadvantaged business based in Riverside, California, delivers advanced photonics and quantum technologies research and development exclusively as a prime contractor under total small business set-asides across defense and civilian space agencies. The company operates as a limited liability corporation specializing in optical isolator systems, fiber-laser technologies, quantum sensing and timing applications, and exotic optical fiber manufacturing—areas where it has secured eleven prime awards (100% of recent activity) worth $9.2 million combined potential value since 2019.
Apsidal's customer concentration spans six federal agencies with heavy tilt toward defense R&D platforms. The Missile Defense Agency anchors $2.1 million across two awards (an SBIR Phase II for integrated on-chip quantum timing using fiber-optic frequency comb and graphene saturable absorber technology, valued at $1.98 million with cost-plus-fixed-fee terms through March 2027). The Air Force Research Laboratory places three awards totaling $2 million, including a recent $1.8 million SBIR Phase II for superior high-energy fiber-laser optical isolators (August 2025, firm-fixed-price through November 2027) and a prior Phase I for fiber amplifier manufacturing with in-situ dopant profile evaluation. The Naval Air Warfare Center has awarded $1.6 million across an STTR Phase I ($239,883, July 2024) and an R&D contract ($1.399 million, cost-plus-fixed-fee, October 2025 through April 2029). NASA Johnson Space Center represents the single largest award at $2.7 million for quantum glass manufacturing and quantum sensor development in space-based microgravity environments (ultimate completion date not disclosed in source). NASA Shared Services Center awarded a $214,069 purchase order in December 2025 for a quantum sensing and communications feasibility study for exotic optical fibers.
Activity shows recent acceleration—one award in 2020, one in 2021, two in 2024, and four in 2025—with three awards (combined potential value $4.1 million) reaching completion in the next twenty-four months, creating recompete exposure. The company has not pursued subcontractor positioning; all eleven awards are primes. All recent work carries either total small business set-aside or FAR Parts 12/13 commercial items designations, with set-asides dominating the R&D footprint. The company's capability portfolio is narrowly specialized: eight of eleven awards address optical isolators, fiber-laser systems, or quantum timing and sensing technologies, anchored to SBIR and STTR vehicles under DoD agencies and NASA, with place of performance concentrated at Riverside headquarters or at designated government facilities such as China Lake Naval Air Warfare Center and NASA Select Centers.
Quick answers
What is Apsidal LLC's UEI?
Apsidal LLC's Unique Entity ID (UEI) in SAM.gov is Q6YAKAPF9U83.
What is Apsidal LLC's CAGE code?
Apsidal LLC's CAGE code is 8AVP4.
What is Apsidal LLC's primary NAICS code?
Apsidal LLC's primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).
Where is Apsidal LLC located?
Apsidal LLC's physical address in SAM.gov is 3600 Lime St Suite 725, Riverside, CA 92501, USA.
Is Apsidal LLC registered in SAM.gov?
Yes. Apsidal LLC's SAM.gov registration is active through February 18, 2027.
What is Apsidal LLC's most recent federal award?
Apsidal LLC's most recent federal contract award is Sbir phase i, topic number O254-009, faraday optical isolator on a photonic integrated laser circuit (W5170126CA098), from Department of the Army, on April 13, 2026.
On GovTribe
See Apsidal LLC's full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
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