| Business | Phone |
| Salvage Association 126 Songful Woods Pl, Houston 77056 | (713) 961-0591 |
| 3 D Marine Usa Inc 12411 Donna Dr, Houston 77067 | (281) 444-9495 |
| Abs Nautical Systems 16855 Northchase Dr, Houston 77060 | (281) 877-5700 |
| Allegheny Marine Svc Inc 5726 Kansas St, Houston 77007 | (713) 863-1000 |
| Alpha Marine Surveyors Inc 623 El Dorado Blvd, Houston 77062 | (281) 218-0051 |
| C'Mar America Inc 12245 Fm 529 Rd A, Houston 77041 | (281) 556-1115 |
| Captain Bill D Case & Assoc 13301 East Fwy 201, Houston 77015 | (713) 453-0886 |
| Captain Joe Grace Surveyors 8150 South Loop E, Houston 77017 | (713) 847-9909 |
| Captain Trevor O'Brien & Assoc 11821 East Fwy 510, Houston 77029 | (713) 453-0906 |
| Casbarian Engineering Assoc 9225 Katy Fwy 307, Houston 77024 | (713) 467-6713 |
| Comtrol Services 1922 Dallas St, Houston 77003 | (713) 477-5225 |
| Dufour Laskay & Strouse Inc 11811 East Fwy 240, Houston 77029 | (713) 330-3388 |
| Eagle Maritime Consultants Inc 1100 Nasa Rd 1 211, Houston 77058 | (281) 335-5310 |
| Ecm-Hudson Maritime Svc 11550 Fuqua St, Houston 77034 | (281) 481-2566 |
| Germanischer Lloyd Inc 602 Sawyer St 410, Houston 77007 | (713) 863-1212 |
| Global Consultants Inc 3801 Kirby Dr, Houston 77098 | (713) 524-2222 |
| Global Maritime 11767 Katy Fwy 660, Houston 77079 | (281) 558-3690 |
| Matthews Matson & Kelley 8866 Gulf Fwy 540, Houston 77017 | (713) 941-7800 |
| Mar-Ten Marine Assoc Ltd 14254 Morinscott Dr, Houston 77049 | (713) 675-3577 |
| Marine Sxchange-West Gulf 111 East Loop N, Houston 77029 | (713) 678-7711 |
| Lloyd's Register North America 1401 Enclave Pkwy, Houston 77077 | (281) 752-4486 |
| Lloyd's Register North America 2525 Bay Area Blvd 100, Houston 77058 | (281) 488-0778 |
| London Offshore Consultant Inc 16800 Imperial Valley Dr 280, Houston 77060 | (281) 987-7400 |
| Houston Offshore & Marine Insp 525 N Sam Houston Pkwy E 540, Houston 77060 | (281) 445-7575 |
| Huey T Littleton Claims Svc 9800 Northwest Fwy 120, Houston 77092 | (713) 956-8438 |
| Independent Maritime Bureau 8866 Gulf Fwy, Houston 77017 | (713) 941-2725 |
| Intermodal Transportation Svc 7141 Office City Dr, Houston 77087 | (713) 641-6376 |
| International Marine Cnsltnts 1200 Smith St 1600, Houston 77002 | (713) 523-5111 |
| Nautical Inc 7015 Gulf Fwy 150, Houston 77087 | (713) 645-5077 |
| International Surveys Inc 1618 W Belt Pkwy N, Houston 77043 | (713) 468-8111 |
| John Lebourhis & Assoc 1505 Highway 6 S 120, Houston 77077 | (281) 589-2096 |
| J F Moore Inc 8876 Gulf Fwy 350, Houston 77017 | (713) 910-7200 |
| James Moon Marine Assoc 16902 El Camino Real # 1c, Houston 77058 | (281) 461-1500 |
| National Cargo Bureau Inc 11811 East Fwy 420, Houston 77029 | (713) 451-4303 |
| National Marine Consultants Po Box 940091, Houston 77094 | (281) 646-7707 |
| Noble Denton & Assoc Inc 14701 Saint Marys Ln 750, Houston 77079 | (281) 558-7180 |