Powell Inc

Founded in 1965, by Harry Casto, Casto Technical Services, Inc., is a commercial heating and cooling business in Charleston, WV. For more than 50 years, Casto has provided state of the art HVAC services for buildings such as schools, large corporate buildings, and hospitals within the states of WV, OH, KY, MD, VA, and PA. Casto has built its reputation of being a family-owned business that provides dependable service to its customers while using the industry's best equipment and controls.

Willis and Sons of Waverly, Ohio: Heating, Plumbing, and Cooling-Where quality comes first. About Willis & Sons Willis and Sons is a locally owned company in Waverly, Ohio, excelling in plumbing, heating and cooling (HVAC), mechanical pressure piping, and electrical installation and services. Incorporated in 1990, Willis and Sons has been providing quality services to south central Ohio since its establishment in 1881. Willis and Sons provides a wide variety of products and services in addition to plumbing and HVAC. For a more complete list of services, visit the Services area of our site. WBE Woman Owned Business MBE Minority Owned Business DBE Disadvantaged Business