Operating signal within 12 months from two or more independent sources.
What they make
Ship Building and Repairing336611- machining
- welding
- fabrication
- piping
- pressure vessels
- frames
- skids
- manual machines
- 220t indoor crane
- 8630M
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Radio Holland USA INC | Houston | Ship Building and Repairing 336611 | LIKELY ACTIVE | 1.6 KM |
| Southwest Shipyard - Brady Island/brady West | Houston | Ship Building and Repairing 336611 | LIKELY ACTIVE | 6.7 KM |
| West Yard | Houston | Ship Building and Repairing 336611 | LIKELY ACTIVE | 7.1 KM |
| Brown & Root Incorporated Greens Bayou Fabrication Yard | Houston | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 10.8 KM |
| Southwest Ocean Services, INC. | Houston | Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills 314994 | ACTIVE | 11.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord SYL7JBVJHCT6 · first seen APR 2026 · last seen APR 2026
IN HARRIS COUNTY22 other plants share this one’s industry (Ship and Boat Building, NAICS 3366); 3 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: MATHEW MARINE, INC. · APR 2026
- Street address
- SAM.gov: 402 STATE ST · APR 2026
- City
- SAM.gov: SOUTH HOUSTON · APR 2026
- State
- SAM.gov: TX · APR 2026
- Coordinates
- Census geocoder: 29.668985671862,-95.245073685781 · JUL 2026
- Website
- SAM.gov: http://www.mathewmarine.com · APR 2026
- Year established
- TX Comptroller: 1985 · FEB 1985
- CAGE code
- SAM.gov: 3XVP2 · APR 2026
- SAM registration expires
- SAM.gov: 2027-03-31 · APR 2026
- State business registration
- TX Comptroller: MATHEW MARINE, INC., registered with the Texas Comptroller of Public Accounts; Corporation; formed 1985-02-21; active · FEB 1985