| Business | Phone |
| Railroad Commission Texas Libr 1701 Congress Ave, Austin 78701 | (512) 463-7160 |
| Library Development Div 1201 Brazos St, Austin 78701 | (512) 463-5459 |
| Archives & Record 1700 Congress Ave, Austin 78701 | (512) 463-5277 |
| Texas Comission Inviro Qualty 12100 Park Thirty Five Cir, Austin 78753 | (512) 239-0020 |