Southcoast Welding & Manufacturing, LLC.
Southcoast Welding & Manufacturing, LLC. is a small business in Chula Vista, CA registered on SAM.gov to bid on federal contracts. It has won about $140.2 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- QNF5KM7YJSN7
- CAGE code
- 3YXD4
- SAM.gov registration
- Active
Registration details
| Legal business name | Southcoast Welding & Manufacturing, LLC. |
|---|---|
| Unique Entity ID (UEI) | QNF5KM7YJSN7 |
| CAGE code | 3YXD4 |
| Location | Chula Vista, CA |
| SAM.gov registration | Active through Sep 28, 2027 |
| Business started | 2004 |
| Primary NAICS code | 336611: Ship Building and Repairing |
| Website | www.southcoastwelding.net |
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $66.7 million |
| FY2024 | $61.6 million |
| FY2025 | $63.9 million |
| FY2026 | $14.7 million |
Its biggest federal customers over the last four fiscal years: Department of the Navy ($206.9 million).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Jun 30, 2026 | Department of the Navy | Tao 211 212 dc box plate and patches | $96,432 |
| Jun 15, 2026 | Department of the Navy | Ramped low profile (rlp), watertight hatch, quick acting 6 -dog, spring balance, 11300… | $30,459 |
| May 1, 2026 | Department of the Navy | Uss kearsarge (lhd-3) structural door (1 ea individual dog airtight (atdbl) double door… | $25,315 |
| Feb 27, 2026 | Department of the Navy | C460d_award emergent repairs on uss charleston fy26 em 0041 delivery order | $118,001 |
| Jan 30, 2026 | Department of the Navy | 460d_award planned maintenance and facility maintenance for uss mobile (lcs-26) fy26… | $464,178 |
| Jan 29, 2026 | Department of the Navy | C460b: delivery order. Tppc-lhd2-swrmc26-s001. | $1.7 million |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Southcoast Welding & Manufacturing, LLC. is small under
On its SAM.gov registration, Southcoast Welding & Manufacturing, LLC. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 336611 Ship Building and Repairing
- 331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
- 332312 Fabricated Structural Metal Manufacturing
- 332321 Metal Window and Door Manufacturing
- 332323 Ornamental and Architectural Metal Work Manufacturing
- 332710 Machine Shops
- 332721 Precision Turned Product Manufacturing
- 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing
Open contracts in Southcoast Welding & Manufacturing, LLC.'s NAICS codes
533 open federal opportunities on SAM.gov use a NAICS code Southcoast Welding & Manufacturing, LLC. is small under. These are due soonest.
- USS MUSTIN (DDG-89) SRA 7C1 BUNDLE 2
✦ The U.S. Navy (NAVSUP Fleet Logistics Center Yokosuka) plans to issue a solicitation for repair and maintenance of the destroyer USS MUSTIN (DDG-89) at Yokosuka Naval Base, Japan.
Due in 2 daysOct 12, 2026
- Hydraulic Drive Unit_End_Item_F-16_NSN_1650013080839_PN_16VM003001-5
✦ The Air Force's 423rd Supply Chain Management Squadron at Tinker AFB is doing market research for a new-manufacture spares buy of the F-16 Hydraulic Drive Unit (P/N 16VM003001-5,…
Due in 2 daysOct 12, 2026
- TURBINE,AIRCRAFT CO
✦ DLA Aviation at Oklahoma City posted a combined synopsis/solicitation for an aircraft turbine part under solicitation SPRTA1-26-Q-2266.
Due in 2 daysOct 12, 2026
- REGULATOR, AIR PRESS
✦ DLA Aviation at Oklahoma City is buying an air pressure regulator (aircraft part, solicitation SPRTA1-26-Q-1404).
Due in 2 daysOct 12, 2026
- Allatoona Lake Dam - Eight (8) Sluice Gate
✦ The U.S. Army Corps of Engineers, Mobile District, is asking companies if they can make and deliver eight new cast steel sluice gates for Allatoona Dam in Cartersville, Georgia.
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (336611) that have won federal contracts, starting with California:
- Epsilon Systems Solutions, Inc., San Diego, CA
- Owl International Inc., Irvine, CA
- Marine Group Boat Works, LLC, Chula Vista, CA
- Walashek Industrial & Marine, Inc., National City, CA
- Integrated Marine Services, Inc., Chula Vista, CA
- United Support Services, Inc., La Jolla, CA
Frequently asked questions
What is Southcoast Welding & Manufacturing, LLC.'s CAGE code?
Southcoast Welding & Manufacturing, LLC.'s CAGE code is 3YXD4. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Southcoast Welding & Manufacturing, LLC.'s UEI?
Southcoast Welding & Manufacturing, LLC.'s Unique Entity ID (UEI) is QNF5KM7YJSN7. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Southcoast Welding & Manufacturing, LLC.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Southcoast Welding & Manufacturing, LLC.'s registration is active through sep 28, 2027. Registrations are renewed every year.
Is Southcoast Welding & Manufacturing, LLC. a small business?
Southcoast Welding & Manufacturing, LLC. is registered on SAM.gov as small under 9 NAICS codes, including its primary code, 336611. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
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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.