Engineering and Software System Solutions, Inc.
Engineering and Software System Solutions, Inc. (doing business as ES3) is a small business in San Diego, CA registered on SAM.gov to bid on federal contracts. It has won about $35.5 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- X13SUGQE8VG6
- CAGE code
- 1PHL4
- SAM.gov registration
- Active
Registration details
| Legal business name | Engineering and Software System Solutions, Inc. |
|---|---|
| Doing business as | ES3 |
| Unique Entity ID (UEI) | X13SUGQE8VG6 |
| CAGE code | 1PHL4 |
| Location | San Diego, CA |
| SAM.gov registration | Active through Feb 15, 2027 |
| Business started | 2000 |
| Primary NAICS code | 541715: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) |
| Website | www.es3inc.com |
Certifications and business types
- SBA-certified women-owned small business
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
SBIR and STTR awards
Engineering and Software System Solutions, Inc. has won 71 small business R&D awards worth $79.5 million through the SBIR and STTR programs since 2016, 45 of them Phase II and 2 STTR. Funded by Air Force, Navy, DLA and Army.
| Awarded | Agency | Project | Amount |
|---|---|---|---|
| Jul 7, 2025 | Navy | STTR Phase I Removable Smart Tooling for High Temperature Composite Fabrication | $139,955 |
| Jun 23, 2025 | Navy | SBIR Phase I Extreme High Speed Laser Application (EHLA) for Titanium Cylinders Bores | $139,984 |
| May 23, 2025 | Air Force | SBIR Phase II AFSD Material Development for GTE Applications | $1.2 million |
| May 2, 2025 | Air Force | SBIR Phase II Advanced Coating Corrosion Protection at Elevated Temperatures and with Different Chemistries | $1.4 million |
| Nov 20, 2024 | Navy | SBIR Phase I Selective Stripping of Cadmium and Zinc-Nickel Coatings | $139,957 |
| Aug 30, 2024 | Air Force | SBIR Phase I Additive Manufacturing & Repair of 7075 Aluminum for Weapon Systems | $179,973 |
| Jul 24, 2024 | DLA | SBIR Phase I Small Business Closing Supply Chain Gaps for Aging Weapon Systems | $49,949 |
| Apr 1, 2024 | Air Force | SBIR Phase II Topology Optimized Load-Bearing Airframe with Additive Manufacturing | $1.8 million |
Showing the newest 8. Award data from SBIR.gov. SBIR and STTR awards are grants or contracts for R&D, so some don't appear in its federal contract history.
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $51.3 million |
| FY2024 | $53.5 million |
| FY2025 | $13.9 million |
| FY2026 | $3.1 million |
Its biggest federal customers over the last four fiscal years: Department of the Air Force ($112.2 million), Department of the Navy ($6.4 million), Defense Logistics Agency ($3.2 million) and Missile Defense Agency ($500).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Mar 25, 2026 | Department of the Air Force | Secondary interlayer and fiber/matrix bonding for optimized continuous fiber | $199,638 |
| Mar 13, 2026 | Department of the Air Force | Phase ii sbir for additive manufacturing and repair of 7075 aluminum for weapon systems | $1.8 million |
| Dec 19, 2025 | Missile Defense Agency | Scalable homeland innovative enterprise layered defense (shield) initial order. | $500 |
| Sep 22, 2025 | Defense Logistics Agency | Small business innovative research sbir iii es3 inc proposal phiii-0035 for complete… | $1.6 million |
| Jun 25, 2025 | Department of the Navy | Research and development. | $139,955 |
| Jun 23, 2025 | Department of the Navy | Research and development | $239,983 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Engineering and Software System Solutions, Inc. is small under
On its SAM.gov registration, Engineering and Software System Solutions, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- 541330 Engineering Services
Open contracts in Engineering and Software System Solutions, Inc.'s NAICS codes
555 open federal opportunities on SAM.gov use a NAICS code Engineering and Software System Solutions, Inc. is small under. These are due soonest.
- Synthetic Training Environment (STE) Virtual Software (VSW)
✦ The Army (ACC-APG Orlando, for the Simulation program office) is asking industry for solutions to the Synthetic Training Environment Virtual Software, a soldier training…
Due in 2 daysOct 13, 2026
- Mission Assurance Services (A Dept.)
Due in 2 daysOct 13, 2026
- Technical Services
Due in 2 daysOct 13, 2026
- $625M USACE SPD Vertical AE Design MATOC
Due in 2 daysOct 13, 2026
- Electronic Dental Annual Help Desk Support
✦ The Indian Health Service (Wagner Health Center, South Dakota) is doing market research for one year of annual help desk support, maintenance and software updates for its Dentrix…
Due in 2 daysOct 13, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (541715) that have won federal contracts, starting with California:
- Tecolote Research, Inc., Goleta, CA
- Toyon Research Corporation, Goleta, CA
- Intellisense Systems Inc, Torrance, CA
- Firestorm Labs, Inc., San Diego, CA
- Rhombus Power Inc, Palo Alto, CA
- Virtualitics Inc, Pasadena, CA
Frequently asked questions
What is Engineering and Software System Solutions, Inc.'s CAGE code?
Engineering and Software System Solutions, Inc.'s CAGE code is 1PHL4. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Engineering and Software System Solutions, Inc.'s UEI?
Engineering and Software System Solutions, Inc.'s Unique Entity ID (UEI) is X13SUGQE8VG6. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Engineering and Software System Solutions, Inc.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Engineering and Software System Solutions, Inc.'s registration is active through Feb 15, 2027. Registrations are renewed every year.
Is Engineering and Software System Solutions, Inc. a small business?
Engineering and Software System Solutions, Inc. is registered on SAM.gov as small under 4 NAICS codes, including its primary code, 541715. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.