| Business | Phone |
| Metroplex Waterproofing 1556 Lorson Loop, Round Rock 78664 | (512) 255-1868 |
| 4 Starr Mntnc & Wtrprfng Inc 1308 Becca Teal Pl, Round Rock 78681 | (512) 990-7676 |
| Aquatech Waterproofing Inc 1333 Windcrest Dr, Round Rock 78664 | (512) 251-2724 |
| Armor Sealants & Fire Stopping 4257 Gattis School Rd, Round Rock 78664 | (512) 671-9727 |