Welcome to W. M. Lyles Co.
Progress Through Performance
W. M. Lyles Co. is a heavy-civil and utility contractor with a successful record of performance, safety, and reliability. For more than 70-years, W. M. Lyles Co. has performed its work with integrity, honesty, and a careful eye on the needs of our owners, employees, and environment. With hundreds of successfully performed projects in the wastewater, sewer, and clean water delivery sectors, W. M. Lyles Co. is proud to know that our work positively affects our communities, friends, and families.
W. M. Lyles Co. has become an industry leader in the construction of both private and public water and wastewater treatment plants. Our “open book” approach to the construction of these plants has allowed us to assist owners in their growing need for a Design-Build Project Delivery System.
W. M. Lyles Co. remains a leading contractor in our State for the installation of pipelines and underground utilities. 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. Our work varies greatly within our long list of owners and partners; please review our “Projects” section to see the variety of the work we perform.
2017 PROFESSIONAL RECOGNITION
2016 PROFESSIONAL RECOGNITION
Featured Projects
UC Merced 2020 Project
the UC Merced 2020 Project which nearly doubles the size of the existing UC Merced campus by adding 13 buildings with supporting infrastructure, featuring 1.2M gross square feet of classroom, research, student life, housing and faculty office space.
Tesoro Viejo Planned Community Water/ Wastewater Program
Design-Builder of the $126M Tesoro Viejo Water/Wastewater Program. The Program will service the development’s 5,200 dwellings, the 3.0 Million sf industrial and commercial space, schools, hospital, parks, open spaces and trails.
Stored Water Recovery Unit Program
Design-Builder of the District’s $200M Stored Water Recovery Unit Program. The SWRU Program, started in 2005 and being delivered in phases, adds 13,000 acres of agricultural lands to the District’s existing in-lieu groundwater banking program.
SMWD Advanced Purified Water Treatment Facility
This fast paced Design-Build project was implemented by Santa Margarita Water District (SMWD) in order to swap the existing feed for Lake Mission Viejo from potable water to Advanced Purified Water.
Visalia Water Conservation Plant Upgrade
Work on the Visalia Water Conservation Plant Upgrades project involves the upgrade of the existing trickling filter/activated sludge wastewater treatment plant, to a 22 MGD water recycling treatment plant that will produce water in conformance with California Administrative Code Title 22.
Fresno Southeast Surface Water Treatment Facility
The SESWTF is designed to treat 80 MDG of surface (river) water from the Kings River to provide potable water to City residents.