| Business | Phone |
| Southwest Guaranty Court Trust 10411 Westheimer Rd 200, Houston 77042 | (713) 334-9577 |
| American Church Trust Co 14615 Benfer Rd, Houston 77069 | (281) 444-5600 |
| American Data Source Inc 4112 Mangum Rd, Houston 77092 | (713) 681-8195 |
| Argent Trust Houston 77056 | (713) 572-3883 |
| Lucian Morrison Consultants 2001 Kirby Dr 1300, Houston 77019 | (713) 523-9944 |
| Hmj Trust 2001 Kirby Dr, Houston 77019 | (713) 523-5502 |
| Legacy Trust Co 600 Jefferson St 350, Houston 77002 | (713) 651-8834 |
| Houston Trust Co 1001 Fannin St 700, Houston 77002 | (713) 651-9400 |
| Houton Trust Co 1001 Fannin St, Houston 77002 | (713) 651-6513 |
| J Taft Symonds 2001 Kirby Dr, Houston 77019 | (713) 528-8080 |
| National Fiduciary Svc 2121 Sage Rd 150, Houston 77056 | (713) 850-0571 |