| Business | Phone |
| Rtnt Manor Utilities Inc 3223 Park Hills Dr, Austin 78746 | (512) 327-0869 |
| Copper Mountain Construction 4214 Cat Hollow Dr, Austin 78731 | (512) 794-9030 |
| Armadillo Construction 8760 Research Blvd A, Austin 78758 | (512) 707-3937 |
| A & B Construction Inc 831 Prairie Trl, Austin 78758 | (512) 835-2144 |
| Haegelin Construction Inc 15311 Fm 1325, Austin 78728 | (512) 388-9900 |
| Key Enterprises 11610 Fm 2244, Austin 78738 | (512) 263-1124 |
| Lee Lewis Construction 8220 W Highway 71 436, Austin 78735 | (512) 684-3211 |
| Schmidt Construction Co 12024 W Highway 290, Austin 78737 | (512) 288-1511 |
| Schroeder Construction Co 13625 Pond Springs Rd 108, Austin 78729 | (512) 219-6001 |
| Texas Utilities Mining Co Real Austin 78735 | (903) 836-2785 |
| Texcav Austin 78728 | (512) 990-8783 |
| Dessau Utilities 9511 Ranch Road 620 N, Austin 78726 | (512) 335-8239 |
| G & R Utility Construction 10208 Ranch Road 620 N, Austin 78726 | (512) 918-1250 |
| Hornsby Bend Utility 4911 Delta Post Dr, Austin 78724 | (512) 276-9412 |
| Capital City Construction 16601 Fm 1325, Austin 78728 | (512) 255-5529 |