| Business | Phone |
| Alpha Ship 5802 Cheswood St, Houston 77087 | (713) 640-1438 |
| Buffalo Marine Svc 8201 E Erath St, Houston 77012 | (713) 923-5571 |
| Cooper's Marine Svc 3100 Penn City Rd, Houston 77015 | (713) 453-2150 |
| Dean Maritime Ltd Co Houston 77098 | (713) 526-1102 |
| Marinus Management Corp 4189 Bellaire Blvd, Houston 77025 | (713) 668-7100 |
| Grifco Transportation 9001 Frey Rd A, Houston 77034 | (713) 943-9300 |
| Higman Marine Svc 1980 Post Oak Blvd 1101, Houston 77056 | (713) 552-1101 |
| L & R Midland Inc 2550 North Loop W 700, Houston 77092 | (713) 680-0909 |
| K B Technolgoies Ltd 3648 Fm 1960 Rd W # 107, Houston 77068 | (281) 880-7505 |