Vendor, Chula Vista, CA
Southcoast Welding & Manufacturing, LLC
UEI QNF5KM7YJSN7, CAGE 3YXD4
158 awards and $119,243,413 obligated between January 4, 2024 and June 5, 2026, 63% under full and open competition, against 5.5 offers on average where reported. 16 of the awards trace back to a SAM.gov solicitation on this site.
Industries
NAICS on the awards, by dollars.
| Ship Building and RepairingNAICS 336611 | $118,641,278 |
| Metal Window and Door ManufacturingNAICS 332321 | $377,025 |
| Overhead Traveling Crane, Hoist, and Monorail System ManufacturingNAICS 333923 | $204,433 |
| Fabricated Structural Metal ManufacturingNAICS 332312 | $20,677 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition After Exclusion of Sources | 100 |
| Full and Open Competition | 45 |
| Competed Under SAP | 12 |
| Not Competed Under SAP | 1 |
| Small Business Set Aside - Total | 20 |
| Delivery Order | 135 |
| Purchase Order | 13 |
| Definitive Contract | 1 |
Hear when Southcoast Welding & Manufacturing, LLC wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Southcoast Welding & Manufacturing, LLC holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 2
- Obligated so far
- $215,457
- Soonest
- January 22, 2027
The 2 contracts, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling ship building and repairing to Department of the Navy, by dollars.
| Electric Boat CorporationGroton, CT | $38,678,397,063 |
| Huntington Ingalls IncorporatedPascagoula, MS | $11,590,043,095 |
| Huntington Ingalls Inc.Newport News, VA | $9,745,857,586 |
| Bath Iron Works CorporationBath, ME | $6,494,711,013 |
| National Steel and Shipbuilding CompanySan Diego, CA | $4,501,822,710 |
| Textron Systems Corp.New Orleans, LA | $1,554,904,898 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Watertight Door
Department of the Navy, Mid Atlantic Reg Maint CTR
Combined synopsis and solicitationSmall businessNAICS 332321Anywhere in the USN5005426Q0109Awarded to Southcoast Welding & Manufacturing, LLC
Posted Mar 24 - MK 137, MOD4, DECOY LAUNCHERS
Department of the Navy, Mid Atlantic Reg Maint CTR
Combined synopsis and solicitationSmall businessNAICS 336611Anywhere in the USN5005426Q0029Awarded to Southcoast Welding & Manufacturing, LLC
Posted Nov 5, 20252 publications - Watertight Scuttle
Department of the Navy, Mid Atlantic Reg Maint CTR
Combined synopsis and solicitationSmall businessNAICS 332321Anywhere in the USN5005426Q0026Awarded to Southcoast Welding & Manufacturing, LLC
Posted Oct 24, 2025 - Indefinite Delivery Indefinite Quantity (IDIQ) Multiple Award Contract (MAC) for Outsourcing Work from Chief of Naval Operations (CNO) Availabilities on Fast Attack Submarines
Department of the Navy, NAVSEA HQ
Award noticePartial small businessNAICS 336611Anywhere in the USN00024-25-D-4349Awarded to Southcoast Welding & Manufacturing, LLC for $1,143,610,000
Posted Sep 3, 2025 - WATERTIGHT DOORS
Department of the Navy, Mid Atlantic Reg Maint CTR
Combined synopsis and solicitationSmall businessNAICS 332321Anywhere in the USN5005425Q0339Awarded to Southcoast Welding & Manufacturing, LLC
Posted Aug 1, 20253 publications - Littoral Combat Ships (LCS) Class Sustainment Execution Contract - West Coast Part III (SEC West Pt. III) Indefinite Delivery Indefinite Quantity-Multiple Award Contracts (IDIQ-MACs)
Department of the Navy, NAVSEA HQ
Award noticePartial small businessNAICS 336611San Diego, CAN0002425D4221Awarded to Southcoast Welding & Manufacturing, LLC for $1,676,254,588
Posted May 27, 2025 - ARCO (ARDM-5) FY25 SCO
Department of the Navy, Southwest Regional Maint Center
Award noticeSmall businessNAICS 336611San Diego, CAN5523625R0004Awarded to Southcoast Welding & Manufacturing, LLC for $3,691,512
Posted May 15, 20254 publications - Hinged Ramp Extension Assembly (Part No. P008190)
Department of the Navy, Southwest Regional Maint Center
Sources soughtNAICS 332312Anywhere in the USN5523624Q0111Awarded to Southcoast Welding & Manufacturing, LLC
Posted Jun 12, 2024 - COAMING, CREW BERTH
Department of the Navy, NAVSUP FLT Log CTR Puget Sound
SolicitationSmall businessNAICS 336611Anywhere in the USN0040624Q0270Awarded to Southcoast Welding & Manufacturing, LLC
Posted Jan 17, 20242 publications
Awards
The 58 largest of 158 awards, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| N5523626F6002Delivery Order, October 23, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460B: Uss Ashland (LSD-48) FY26 Em 0010 Award Basic Delivery Order 0347 Sssd-Hm&e-26-0010NAICS 336611, PSC J999 | $104,893 |
| N5005425FC017Delivery Order, February 12, 2025, Full and Open Competition After Exclusion of Sources, 5 offers | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Gonzalez (DDG-66) FY25 EM01NAICS 336611, PSC J998 | $100,604 |
| N5005424FL030Delivery Order, September 16, 2024, Full and Open Competition After Exclusion of Sources, 7 offers | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Iwo Jima (LHD-7) P5A1 N0002422D4437 N5005424FL030NAICS 336611, PSC J998 | $89,666 |
| N5523626F5012Delivery Order, December 19, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_incorporate Repairs from the Original Work Specification Package for Uss Lenah H. Sutcliffe HigbeeNAICS 336611, PSC J999 | $78,621 |
| N5523625F6096Delivery Order, September 18, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460B: Delivery Order, Sssd-Hm&e-25-0083NAICS 336611, PSC J999 | $78,421 |
| N5523624P0093Purchase Order, July 15, 2024, Not Competed Under SAP, 1 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 410A SAP - Uss Pinckney (DDG-91) LLTM Double Hatch AssemblyNAICS 332321, PSC 2040 | $72,775 |
| N5005424FL008Delivery Order, January 5, 2024, Full and Open Competition After Exclusion of Sources, 6 offers | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Carter Hall (LSD-50) Cmav A4A2 22D4437/24FL008 Award Delivery OrderNAICS 336611, PSC J998 | $68,538 |
| N5005426P0018Purchase Order, December 23, 2025, Competed Under SAP, 6 offersSolicitation | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Bainbridge (DDG-96) Watertight Scuttle Quick Acting Watertight Scuttle and Coaming Assembly, 25 Inch Diameter, 4 Dog P/N 1800-1253-0237 NAICS 336611, PSC 2040 | $67,233 |
| N5523625F6088Delivery Order, May 28, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B: Uss Pearl Harbor (LSD-52) FY25 Em 0060 Ssp: Sssd-Hm&e-25-0060 Delivery Order: N55236-25-F-6088 Contract: N00024-22-D-4470.NAICS 336611, PSC J999 | $64,817 |
| N5523625F5042Delivery Order, July 25, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_incorporate Repairs from the Original Work Specification Package for Uss Spruance (DDG-111).NAICS 336611, PSC J999 | $60,810 |
| N5523625F8005Delivery Order, August 8, 2025, Full and Open Competition, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | C460d_award Urgent Repairs for Uss Montgomery (LCS-8)NAICS 336611, PSC J999 | $57,978 |
| N5523624P0134Purchase Order, September 25, 2024, Competed Under SAP, 5 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 410A Uss Greenbay (Lpd 20)flush Watertight Hatch (Flwtqa)NAICS 332321, PSC 2040 | $57,225 |
| N5005424P0192Purchase Order, September 3, 2024, Competed Under SAP, 2 offers | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Porter Bolted Plate Manhole Cover Assembly & Air Hose VentNAICS 336611, PSC 2040 | $46,200 |
| N0040624P0224Purchase Order, February 14, 2024, Competed Under SAP, 2 offersSolicitation | NAVSUP FLT Log CTR Puget SoundDepartment of the Navy | Crew BerthNAICS 336611, PSC 2090 | $37,082 |
| N5523624F6051Delivery Order, January 9, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B Sustainment to Execute Do 6051 in Support of the Uss Germantown (LSD-42) FY24 Em 0040.NAICS 336611, PSC J999 | $36,711 |
| N5523623F6031Delivery Order, January 19, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B: Uss San Diego FY23 Em 0148 New Growth WorkNAICS 336611, PSC J999 | $35,325 |
| N0040624P0678Purchase Order, August 1, 2024, Competed Under SAP, 3 offers | NAVSUP FLT Log CTR Puget SoundDepartment of the Navy | RLP WRTTT Hatch-30 X30 No Powder CoatNAICS 336611, PSC 2040 | $30,775 |
| N5523625F5021Delivery Order, February 21, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_uss Russell (DDG-59) FY25 Cmav S002 Delivery OrderNAICS 336611, PSC J999 | $27,784 |
| N5005426P0103Purchase Order, May 1, 2026, Competed Under SAP, 8 offersSolicitation | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Kearsarge (LHD-3) Structural Door (1 Ea Individual Dog Airtight (Atdbl) Double Door and Frame Assembly, 52 Inch by 72 Inch, Steel, RightNAICS 332321, PSC 2040 | $25,315 |
| N5005426P0022Purchase Order, December 18, 2025, Competed Under SAP, 2 offersSolicitation | Mid Atlantic Reg Maint CTRDepartment of the Navy | Uss Ross (DDG-71) Srboc MK 137, MOD4, Decoy Launcher (1 Ea Piece # F008 / 1 Ea Piece # F013)NAICS 336611, PSC 1020 | $25,180 |
| N5523625F4008Delivery Order, August 4, 2025, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A Incorporate Repairs from the Original Work Specification Package for Uss Lake Erie (CG-70) FY25 Em 0072.NAICS 336611, PSC J999 | $22,305 |
| N5005425P0422Purchase Order, August 27, 2025, Competed Under SAP, 6 offersSolicitation | Mid Atlantic Reg Maint CTRDepartment of the Navy | Hatch (Qnty 1, Biw Catalog Number 222215-213) and Scuttle (Qnty 1) for the Uss Bainbridge (DDG-96).NAICS 332321, PSC 2040 | $20,958 |
| N5523624P0105Purchase Order, August 20, 2024, Competed Under SAP, 2 offersSolicitation | Southwest Regional Maint CenterDepartment of the Navy | Code 410A - Hinged Ramp Extension Assembly for LCS8 Uss MontgomeryNAICS 332312, PSC 5450 | $20,677 |
| N5523624F5052Delivery Order, July 8, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A - Delivery Order Uss Russell (DDG-59) FY24 Cmav S002.NAICS 336611, PSC J999 | $13,475 |
| N5523624F5046Delivery Order, May 29, 2024, Full and Open Competition After Exclusion of Sources, 5 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A: Uss Mustin (DDG-89) FY24 Em 0074NAICS 336611, PSC J999 | $13,320 |
| N5523624F5057Delivery Order, August 5, 2024, Full and Open Competition After Exclusion of Sources, 6 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A Uss Fitzgerald (DDG-62) FY24 Em 0083 Delivery Order AwardNAICS 336611, PSC J999 | $11,457 |
| N5523624P0118Purchase Order, September 13, 2024, Competed Under SAP, 1 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 410A LLTM - Uss Halsey (Ddg 97) Watertight DoorNAICS 332321, PSC 2040 | $10,475 |
| N0002425F4221Delivery Order, May 28, 2025, Full and Open Competition, 12 offers | NAVSEA HQDepartment of the Navy | Minimum Order Do.NAICS 336611, PSC J999 | $10,000 |
| N0002425F4342Delivery Order, September 11, 2025, Full and Open Competition, 25 offers | NAVSEA HQDepartment of the Navy | Opw - Lot 2 Non-Critical Systems EngNAICS 336611, PSC 1905 | $5,000 |
| N5523623F5018Delivery Order, July 25, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 430a_uss_zumwalt_(Ddg-1000)_fy23_reaNAICS 336611, PSC J999 | $4,232 |
| N5523626F8027Delivery Order, January 26, 2026, Full and Open Competition, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460d_award Planned Maintenance and Facility Maintenance for Uss Jackson (LCS-6)NAICS 336611, PSC J999 | $0 |
| N5523626F8033Delivery Order, January 30, 2026, Full and Open Competition, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460d_award Planned Maintenance and Facility Maintenance for Uss Manchester (LCS-14)NAICS 336611, PSC J999 | $0 |
| N0002418D4337March 20, 2024, Full and Open Competition After Exclusion of Sources, 15 offers | NAVSEA HQDepartment of the Navy | Ordering Period Extension.NAICS 336611, PSC J999 | $0 |
| N0002422D4422April 15, 2025, Full and Open Competition After Exclusion of Sources, 17 offers | NAVSEA HQDepartment of the Navy | Removing Clauses for Mbo DirectiveNAICS 336611, PSC J998 | $0 |
| N0002422D4437April 15, 2025, Full and Open Competition After Exclusion of Sources, 17 offers | NAVSEA HQDepartment of the Navy | Removing Clauses for Mbo DirectiveNAICS 336611, PSC J998 | $0 |
| N0002422D4461April 23, 2024, Full and Open Competition After Exclusion of Sources, 9 offers | NAVSEA HQDepartment of the Navy | Update Pay Office and Add ClauseNAICS 336611, PSC J999 | $0 |
| N0002422D4470May 1, 2025, Full and Open Competition After Exclusion of Sources, 9 offers | NAVSEA HQDepartment of the Navy | Removing Clauses for Mbo DirectiveNAICS 336611, PSC J999 | $0 |
| N0002422D4472May 1, 2025, Full and Open Competition, 7 offers | NAVSEA HQDepartment of the Navy | Removing Clauses for Mbo DirectiveNAICS 336611, PSC J999 | $0 |
| N0002422D4473May 1, 2025, Full and Open Competition, 7 offers | NAVSEA HQDepartment of the Navy | Removing Clauses for Mbo DirectiveNAICS 336611, PSC J999 | $0 |
| N0002425D4221May 23, 2025, Full and Open Competition, 12 offersSolicitation | NAVSEA HQDepartment of the Navy | Maintenance, Repair, and Modernizations of LCS Class Ships Homeported in San Diego, Ca.NAICS 336611, PSC J999 | $0 |
| N0002425D4349September 2, 2025, Full and Open Competition, 29 offersSolicitation | NAVSEA HQDepartment of the Navy | Opw - Lot 2 Non-Critical Systems EngNAICS 336611, PSC 1905 | $0 |
| N5523623F6010Delivery Order, January 5, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | C460B Sustainment Uss Comstock (LSD-45) FY23 CM Tppc-Lsd45-Swrmc23-S001 the Purpose of This Modification Is to Settle Descope Work.NAICS 336611, PSC J999 | -$4,352 |
| N5523624F5012Delivery Order, August 12, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_descope Work from the Work Specification Package for the Uss Michael MonsoorNAICS 336611, PSC J999 | -$36,258 |
| N5523623F5055Delivery Order, April 23, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_a00002_descope Rcc, De-Obligate Loe, and Provide Wi Exception.NAICS 336611, PSC J999 | -$45,276 |
| N5523623F4008Delivery Order, June 17, 2024, Full and Open Competition After Exclusion of Sources, 5 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A: Uss Lake Erie (CG-70) FY23 Cmav S001_loe DeobligationNAICS 336611, PSC J999 | -$53,580 |
| N5523623F6022Delivery Order, February 21, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | Fully Fund and Incorporate De-Obligate Remaining Loe Funds in Support of the Uss Germantown (LSD-42) FY23 Cmav S002 in Accordance with ContrNAICS 336611, PSC J999 | -$75,090 |
| N5523623F6012Delivery Order, August 1, 2024, Full and Open Competition, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B: Process and Incorporate Descope Work in Support of the Uss San Diego (LPD-22) FY23 Cmav S002.NAICS 336611, PSC J999 | -$78,340 |
| N5523623F6019Delivery Order, May 8, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B Sustainment: Descope and Deobligate the LoeNAICS 336611, PSC J999 | -$107,412 |
| N5523624F5009Delivery Order, January 18, 2024, Full and Open Competition After Exclusion of Sources, 5 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_a00002_uss Spruance (DDG-111) FY24 Cmav S001 Descope and Work Item Exception ModNAICS 336611, PSC J999 | -$120,329 |
| N5523624F5002Delivery Order, January 18, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | C460A: Curtis Wilbur FY24 S001 Loe Deob, Delete/Descope Rcc, D&D Compensation, Delivery Date ExtensionNAICS 336611, PSC J999 | -$125,736 |
| N5523624F5007Delivery Order, January 4, 2024, Full and Open Competition After Exclusion of Sources, 5 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460A: Uss Paul Hamilton (DDG-60) FY24 Cmav S001_descope/ New Work RCCSNAICS 336611, PSC J999 | -$134,528 |
| N5523624F5010Delivery Order, January 24, 2024, Full and Open Competition, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_mod to Deobligate Loe Clin and Definitize Descope/Delete RCC Iso Uss Halsey (DDG-97) FY24 Cmav S002.NAICS 336611, PSC J999 | -$160,286 |
| N5523624F6030Delivery Order, March 3, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Southwest Regional Maint CenterDepartment of the Navy | C460B, Growth WorkNAICS 336611, PSC J999 | -$172,363 |
| N5523624F6043Delivery Order, February 26, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B Sustainment Uss Ashland FY24 Em 0004 Growth RCCS and Avail Extension 01 Mar 2024.NAICS 336611, PSC J999 | -$177,811 |
| N5523623F5043Delivery Order, February 27, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Southwest Regional Maint CenterDepartment of the Navy | C460a_uss Spruance FY23 Cmav S003 Descope RCCNAICS 336611, PSC J999 | -$184,542 |
| N5523622F6011Delivery Order, March 15, 2024, Full and Open Competition After Exclusion of Sources, 3 offers | Southwest Regional Maint CenterDepartment of the Navy | C460B, De-Obligate the Level of Effort to Completion Under Slin 0009ABNAICS 336611, PSC J999 | -$211,357 |
| N5523624F6050Delivery Order, January 18, 2024, Full and Open Competition After Exclusion of Sources, 4 offers | Southwest Regional Maint CenterDepartment of the Navy | Code 460B: Uss Harpers Ferry FY24 Cmav S001 Avail Date ChangeNAICS 336611, PSC J999 | -$285,603 |
| N5523623F6017Delivery Order, January 16, 2024, Full and Open Competition After Exclusion of Sources, 2 offers | Southwest Regional Maint CenterDepartment of the Navy | 460B Uss Somerset (LPD-25) Tppc-Lpd25-Swrmc23-S0003 the Purpose of This Modification Is to Settle New Work and New Growth Work.NAICS 336611, PSC J999 | -$484,840 |
- Places of performance
- CaliforniaVirginia
- Product and service codes
- J999 Non-nuclear Ship Repair (West) Ship repair (including overhauls and conversions) performed on. non-nuclear propelled and nonpropelled ships west of the 108th meridian2040 Marine Hardware and Hull ItemsJ998 Non-nuclear Ship Repair (East) Ship repair (including overhauls and conversions) performed on non-nuclear propelled and nonpropelled ships east of the 108th meridian2020 Rigging and Rigging Gear2090 Miscellaneous Ship and Marine Equipment1020 Guns, over 125 mm through 150 mm Includes Breech Mechanisms, Power Drives; Gun Shields.
- Transactions
- 863 across 158 awards