Tidal Marine Construction Inc.
Antioch, CA
- UEI
- R5GMH4JYLKW8
- CAGE
- 4MVX5
- Primary NAICS
- 238990 All Other Specialty Trade Contractors
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 221111 Hydroelectric Power Generation
- 221320 Sewage Treatment Facilities
- 237110 Water and Sewer Line and Related Structures Construction
- 237120 Oil and Gas Pipeline and Related Structures Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 561990 All Other Support Services
- 713930 Marinas
- SAM.gov registration date
- Physical address
- 2540 Wilbur Ave, Antioch, CA 94509, USA
- Website
- tidalmarine.net
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $18,350 |
| FY2025 | $97,100 |
| FY2024 | $23,150 |
| FY2023 | $71,217 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Interior | $18,350 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Big Vally Diving Services Inc. | Chico, CA | 237990 Other Heavy and Civil Engineering Construction |
| Hiuga Diving Co | Acampo, CA | 221310 Water Supply and Irrigation Systems |
| C & W Diving Services, Inc. | San Diego, CA | 561990 All Other Support Services |
| DRS Marine Inc. | Vallejo, CA | 238990 All Other Specialty Trade Contractors |
| Diver Dan Diving Service Inc. | — | 561990 All Other Support Services |
About the company
Tidal Marine Construction Inc. is a minority-owned, veteran-owned, Hispanic American-owned small business registered in SAM.gov since 2007, with a corporate structure as a Subchapter S Corporation. Located in Antioch, California, the company appears to specialize in marine and underwater construction services, with a focus on environmental maintenance, infrastructure support, and specialized diving operations. While limited background information is available from the provided data, the company demonstrates a consistent capability to perform complex, technical services for federal agencies.
The company has exclusively secured federal contract awards from the Bureau of Reclamation, a civilian agency within the U.S. Department of the Interior, with contracts totaling $310,850 in recent years. Their contract work has centered on specialized environmental maintenance services, including dewatering well and vertical turbine pump maintenance in Leadville, Colorado, urgent dive services for debris removal in Folsom, California, and debris disposal services at Flathead Lake in Hungry Horse, Montana. These contracts have been predominantly awarded as total small business set-asides, highlighting the company's status as a small, minority-owned business. The contracts involve technical underwater and infrastructure maintenance tasks, requiring specialized skills such as dive operations, equipment maintenance, and environmental management. The contract values range from $18,450 to $176,450, with completion dates extending to 2030, indicating the company's ongoing reliability and capability in providing critical maintenance and environmental services to federal agencies.
SBA capabilities narrative
Tidal Marine Construction Inc. (TMCI) is marine construction company which specializes in commercial diving and underwater construction and inspections. TMCI operations are in accordance with USACE, ADCI, and OSHA regulations.
Quick answers
Is Tidal Marine Construction Inc. registered in SAM.gov?
Yes. Tidal Marine Construction Inc.'s SAM.gov registration is active through July 23, 2027.
What is Tidal Marine Construction Inc.'s CAGE code?
Tidal Marine Construction Inc.'s CAGE code is 4MVX5, and its Unique Entity ID (UEI) is R5GMH4JYLKW8.
How much has Tidal Marine Construction Inc. received in federal contracts?
Federal contracts obligated $97,100 to Tidal Marine Construction Inc. in fiscal year 2025 and $209,817 in fiscal years 2023 through 2027.
How does Tidal Marine Construction Inc. rank among federal contractors?
Tidal Marine Construction Inc. ranked #20 in PSC P9 and #94 in NAICS 562119 in FY2025.
What is Tidal Marine Construction Inc.'s most recent federal award?
Tidal Marine Construction Inc.'s most recent federal contract award is Lmdt dewatering well & pump maintenance (140R6025P0033), from Bureau of Reclamation, on July 1, 2025.
On GovTribe
See Tidal Marine Construction Inc.'s full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors