Gradient Marine
Gradient Marine (doing business as Ocean Guys Engineering PC) is a small business in San Diego, CA registered on SAM.gov to bid on federal contracts. It has won about $500 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- C349NM5Z51E8
- CAGE code
- 858W3
- SAM.gov registration
- Active
SBIR and STTR awards
Gradient Marine has won 1 small business R&D award worth $139,834 through the SBIR and STTR programs since 2023. Funded by Navy.
| Awarded | Agency | Project | Amount |
|---|---|---|---|
| Aug 15, 2023 | Navy | SBIR Phase I A-Size Buoyancy Glider for Persistent Oceanographic Data Collection | $139,834 |
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
Contract history from USAspending.gov is taking longer than usual to load. It will appear here in a moment, or when you reload the page in a few minutes.
Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Gradient Marine |
|---|---|
| Doing business as | Ocean Guys Engineering PC |
| Unique Entity ID (UEI) | C349NM5Z51E8 |
| CAGE code | 858W3 |
| Location | San Diego, CA |
| SAM.gov registration | Active through Feb 26, 2027 |
| Business started | 2018 |
| Primary NAICS code | 541330: Engineering Services |
| Website | gradientmarine.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI C349NM5Z51E8 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
- SBA HUBZone certified (as of SAM.gov's public file dated Nov 1, 2026)
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The public file gives neither the date a certification started nor the firm's employee count.
Check or correct this record at the source: open its SAM.gov entry, or search UEI C349NM5Z51E8 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Gradient Marine is small under
On its SAM.gov registration, Gradient Marine meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
Open contracts in Gradient Marine's NAICS codes
319 open federal opportunities on SAM.gov use one of Gradient Marine's NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside or one for an SBA certification SAM.gov's file lists for it (HUBZone). Here are a few, those in its primary code first, then those in California, then the soonest due.
- Design Renovation, System Support Center (SSC), 3551 Combine St., Paso Robles, CA
✦ The Federal Aviation Administration (FAA) wants a small business to design the renovation of its System Support Center at 3551 Combine St., Paso Robles, CA (Screening Information…
Due in 23 daysNov 30, 2026, 5:00 PM EST
- Public Works Energy A-E Services Contracts
Due in 26 daysDec 3, 2026, 12:00 PM PST
- NAWCWD FY26 Industry Day
Event or sign-up Jan 30, 2027An event or its sign-up, not a bid deadline.
- NAWCWD California Contracting/Acquisition/Procurement (CCAP) Industry Days Expo
Due in 95 daysFeb 10, 2027, 4:00 PM PST
- Independent Commissioning Agent (Owner’s Advocate) Services for U.S. Army Medical Research Institute of Infectious Diseases
✦ The Defense Health Agency is doing market research (a Sources Sought / Request for Information, not a solicitation) for an independent Commissioning Agent, or "Owner's Advocate",…
Due in 2 daysNov 9, 2026, 12:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541330) that have won federal contracts in California:
- Geomat Testing Laboratories, Inc., Riverside, CA
- Systech Water Resourses, Inc., Alamo, CA
- RD Maritime Consulting LLC, Poway, CA
- SC Solutions, Inc., Sunnyvale, CA
- Ansync Inc., El Dorado Hills, CA
- Trevet-Bay West Joint Venture, LLC, San Diego, CA
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Feb 26, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Gradient Marine's CAGE code?
Gradient Marine's CAGE code is 858W3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Gradient Marine's UEI?
Gradient Marine's Unique Entity ID (UEI) is C349NM5Z51E8. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Gradient Marine's SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Gradient Marine's registration is active through Feb 26, 2027. Registrations are renewed every year.
Is Gradient Marine a small business?
Gradient Marine is registered on SAM.gov as small under 2 NAICS codes, including its primary code, 541330. 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
- Hiring subcontractors? List small businesses by state, NAICS code and certification
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 report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.