| Business | Phone |
| Blanco Aluminum Screen Co 1805 Blanco Rd, San Antonio 78212 | (210) 735-1035 |
| Arrowall Co 18864 Fm 2252, San Antonio 78266 | (210) 651-5011 |
| Crest Metal Doors Inc 157 Humble Ave, San Antonio 78225 | (210) 977-8161 |
| Deansteel Manufacturing 111 Merchant, San Antonio 78204 | (210) 226-8271 |