Simx, Inc.
San Jose, CA Part of Madison Healthcare Holdings LLC
- UEI
- X8VHCNT3KTD5
- CAGE
- 79S56
- Primary NAICS
- 513210 Software Publishers
- 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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- 513210 Software Publishers Primary
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541519 Other Computer Related Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 611710 Educational Support Services
- Corporate family
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Madison Healthcare Holdings LLC
Parent
GEUCBXC6YL95
- Simx, Inc. X8VHCNT3KTD5
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Madison Healthcare Holdings LLC
Parent
GEUCBXC6YL95
- SAM.gov registration date
- Physical address
- 99 S Almaden Blvd #600, San Jose, CA 95173, USA
- Website
- simxvr.com
- Founded
- 2013
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
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- Health Care
- Health Care Equipment & Services
- Health Care Providers & Services
- SIC code
- 38 Instruments & Related Products
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Simx virtual reality medical simulation software, QTY: 10 EA | Veterans Integrated Service Network 10 | $49,098 | |
| Two VR headsets to conduct realistic medical training. With a wide variety of types of practice from combat lifesaver… | Air Education and Training Command | $11,624 | |
| 36 MDG simx virtual reality system - sbir phase III | Pacific Air Forces | $132,923 | |
| Simx valor vrmss software licenses and training curriculum for patient critical care air transport. | Air Mobility Command | $83,300 | |
| Medical training software and licenses compatible with their simx virtual reality | Defense Health Agency | $29,200 |
About Simx, Inc.
Simx, Inc., a San Jose, California-based small business, develops virtual reality medical simulation software and delivers VR training platforms to the Department of Defense and federal healthcare agencies as a prime contractor across 86 recent awards (99% of its footprint). The company operates across SBIR and STTR research and development programs, delivering immersive medical training systems for combat casualty care, aeromedical evacuation, tactical medicine, surgical education, and emergency response scenarios.
Simx's customer concentration is heavily weighted toward the Air Force research establishment. The Department of the Air Force Materiel Command Research Laboratory anchors the portfolio with 33 awards valued at $22.2 million combined potential value, representing 79% of the vendor's total addressable market. The Department of the Air Force Air Mobility Command contributes 11 awards ($1.1 million), the Department of the Air Force proper contributes 6 awards ($1.2 million), and Air Force Special Operations Command contributes 5 awards ($1.1 million). Together, these four Air Force entities account for 55 of 87 awards (63% of volume) and $25.6 million of $28.2 million in combined potential value (91%). The remaining 19 customer agencies—including Army Research, Development and Engineering Command, Defense Health Agency, Veterans Affairs, Secret Service, and Pacific Air Forces—collectively contribute $2.6 million. This concentration signal is pronounced: Simx competes almost exclusively within the Air Force research and development procurement stack, particularly through SBIR Phase I, II, and III awards, and STTR Phase I and II awards, with minimal presence in operations-and-support or civilian healthcare procurement.
Award activity peaked in 2023 with 25 awards, declined to 14 in 2024, and continued downward to 10 in 2025 and 2 in 2026 to date. This trajectory reflects completion of multi-year SBIR Phase II and STTR Phase II contracts; nine awards valued at $6.9 million reach ultimate completion within the next twenty-four months, exposing Simx to significant recompete pressure in parallel with declining annual award counts. Representative prime work includes a $1.8 million SBIR Phase II contract from Air Force Research Laboratory for end-user scenario authoring and VR system configuration (May 2023–May 2025, Total Small Business set-aside), a $1.25 million STTR Phase II award from AFRL for surgical perioperative expeditionary medical support training for Air Force nursing (July 2024, Total Small Business), a $778 thousand SBIR Phase III contract from Air Force for aeromedical evacuation and critical care air transport team training (April 2025, Total Small Business), and a $203 thousand purchase order from Veterans Integrated Service Network 10 for VR medical simulation software licenses and a 40-scenario general marketplace package (February 2026, sole-source, no set-aside). The portfolio spans NAICS 541512 (Computer Systems Design Services, dominant), software publishing, and educational support services, with PSC codes concentrated in National Defense R&D Services and training aids.
Simx is a subsidiary of Madison Healthcare Holdings LLC. The vendor holds one sub-award under a Navy contract with prime Alutiiq Information Management for reverse engineering and laboratory equipment support (February 2026). All 86 prime awards are full-and-open or set-aside (Total Small Business on SBIR/STTR vehicles); the vendor does not compete under 8(a), HUBZone, SDVOSB, or other SBA designations in the sourced awards. Obligated dollars stand at $27.1 million (96% of combined potential value), indicating strong contract funding realization, but the declining award trajectory and concentration of recompete exposure in 2026–2027 suggest potential headwinds in sustaining research volume if follow-on SBIR/STTR wins do not materialize.
Quick answers
What is Simx, Inc.'s UEI?
Simx, Inc.'s Unique Entity ID (UEI) in SAM.gov is X8VHCNT3KTD5.
What is Simx, Inc.'s CAGE code?
Simx, Inc.'s CAGE code is 79S56.
What is Simx, Inc.'s primary NAICS code?
Simx, Inc.'s primary NAICS code is 513210 (Software Publishers).
Where is Simx, Inc. located?
Simx, Inc.'s physical address in SAM.gov is 99 S Almaden Blvd #600, San Jose, CA 95173, USA.
Is Simx, Inc. registered in SAM.gov?
Yes. Simx, Inc.'s SAM.gov registration is active through April 14, 2027.
Who is Simx, Inc.'s parent company?
Simx, Inc. is part of Madison Healthcare Holdings LLC.
What is Simx, Inc.'s most recent federal award?
Simx, Inc.'s most recent federal contract award is Simx virtual reality medical simulation software, QTY: 10 EA (36C25026P0347), from Veterans Integrated Service Network 10, on February 1, 2026.
On GovTribe
See Simx, Inc.'s full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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