| Business | Phone |
| Chaparral Portable & Modular 11825 N Ih 35, San Antonio 78233 | (210) 656-2772 |
| Alco Creative Builders 18811 Fm 2252, San Antonio 78266 | (210) 651-9076 |
| Heartland Industries 4519 S Ih 35, San Antonio 78225 | (210) 923-3007 |
| T's Gem Dandy Portable Bldgs 627 Pleasanton Rd, San Antonio 78214 | (210) 924-4230 |
| Alamo Building Systems 16352 County Road 283, San Antonio 78253 | (210) 688-7433 |