The Build.com Building and Home Improvement Network has announced that Nova Plumbing Technologies and Bemis Mfg. have entered into an agreement to participate in the PlumbingHVAC.com marketing and communication programs. Nova Plumbing Technologies is a manufacturer of valves, fittings, stops and other supplies. Bemis Manufacturing is a leading manufacturer of toilet seats, humidifiers and casual furniture. TheBuild.comBuilding & Home Improvement Network provides industry professionals and consumers with a resource of products, services, and information related to the building, remodeling, and home improvement industry using the Internet.