Schwing America

Located in Sauk Rapids, Minn., Knife River Corporation is a subsidiary of the MDU Resources Group. It is a fully integrated, independently managed and operated construction materials and mining company. It uses large equipment, crushers, conveyors and loading equipment for mining and related construction materials production. It mines aggregates and markets crushed stone, sand, gravel and related construction materials, including ready-mixed concrete, cement, asphalt and other value-added products, as well as performing integrated construction services. It also manufactures and distributes liquid asphalt cement, as well as recycles used petroleum products. It provides materials and services to both the public and the private sectors. It has operations in nearly 10 states, including Alaska, California, Hawaii, Iowa, Idaho, Minnesota, Montana, Nebraska and Oregon.

CertainTeed is a leading North American manufacturer of building materials, which includes roofing, siding, insulation, windows and patio doors, fencing, decking, railing, foundations and pipe. The company is headquartered in Pennsylvania and has approximately 7,000 employees, as well as more than 40 manufacturing facilities throughout the United States. The company had sales of approximately $2.3 billion in 2003. CertainTeed is a subsidiary of Saint-Gobain, one of the top 100 industrial companies in the world. Saint-Gobain employs approximately 26,000 people in North America and nearly 170,000 people in more than 45 countries worldwide. Saint-Gobain s North American companies operate in industries as diverse as industrial ceramics and containers, reinforcements and flat glass, abrasives and building materials. CertainTeed maintains a location in Shakopee, Minn.

For after-hours emergency, will call and/or commercial water heater full service delivery, please call (800) 217-9480. Ferguson is a leading plumbing supplier for the professional plumbing contractor who demands quality plumbing products, tools, repair parts, operation supplies and bathroom fixtures from today's top manufacturers. Whether you specialize in service calls or new construction plumbing, we specialize in getting you the wholesale plumbing supply products and solutions you need to stand up to every plumbing project. See how our knowledgeable associates, on-site trainings and full-service solutions give you the tools you need to better serve your customer.