1. Wastewater Services 17629 Carrol Ln, Willis, TX 77378 Coordinate: 30.49154,-95.39499 Phone: (936) 856-1663
2. Texas Dozer An' Aerobic 305 N Thomason St, Willis, TX 77378 Coordinate: 30.4258,-95.48187 Phone: (936) 856-8474