WLIA welcomes you to the 33rd Annual Conference at the Marriott Madison West, in Middleton, Wisconsin, February 19-21, 2020. 
avatar for Symbiont


Symbiont Science, Engineering and Construction, Inc. (Symbiont) is an employee-owned, nationally-recognized design-build firm. Our in-house professionals seamlessly execute projects that support our clients in achieving their long-term business goals.  We provide nationwide coverage, completing projects in 48 states. Our team has grown to include civil, chemical, controls, electrical, environmental, mechanical, process, structural, and wastewater engineers as well as geographic information systems (GIS), modeling, environmental & regulatory compliance, and construction management specialists. We work with clients in the manufacturing, municipal/public, energy, and general construction markets.