W. M. Lyles Co. is a heavy-civil and utility contractor with a record of performance, safety, and reliability. The company has projects in the wastewater, sewer, and clean water delivery sectors. W. M. Lyles Co. has become an industry leader in the construction of both private and public water and wastewater treatment plants. With a network of offices covering California, W. M. Lyles Co. has performed work ranging from: the infrastructure for five state/county prison sites, the first producing ethanol facility west of Colorado, large water banking systems, pump stations, gas distribution, underground utilities and structures of all shapes and sizes, and renewable energy projects.