| Business | Phone |
| Mercer Human Resource Co 7324 Southwest Fwy 1400, Houston 77074 | (713) 596-1700 |
| Agency Workflow Automation Lp 13510 Belhaven Dr, Houston 77069 | (281) 631-9092 |
| Great-West Retirement Svc 1818 Memorial Dr 100, Houston 77007 | (713) 426-5588 |
| Dpn Enterprises 7007 Gulf Fwy, Houston 77087 | (713) 644-2600 |
| Uni Care 2200 Post Oak Blvd, Houston 77056 | (713) 622-4867 |
| Hand Benefits & Trust 5700 Nw Central Dr 400, Houston 77092 | (713) 460-1000 |
| Ihma Technologies 5847 San Felipe St, Houston 77057 | (713) 781-1603 |
| Integrated Benefits Solutions 14425 Torrey Chase Blvd, Houston 77014 | (281) 866-8216 |
| Next Generation Benefit Svc 13114 Boheme Dr, Houston 77079 | (713) 461-2327 |