Bay Cities Paving & Grading Inc

Schmidt Aggregates operates two crushed rock quarries, one split stone quarry and four open pit sand and gravel operations to serve Colorado s front-range markets. The company has supplied aggregate materials to the construction industry and specialty markets since the 1960s, and is positioned to serve its customers with a wide variety of mineral products from multiple locations. Its products include crushed rock decorative stone, road base, sand, boulders, golf course sand and structural fill. The company s products are produced to meet all Department of Transportation and American Society for Testing and Materials specifications. Schmidt Aggregates has a location in Colorado Springs, Colo.

Castle Rock Construction has been building streets, highways, airports and parking lots in Colorado and surrounding states since 1981. The company has completed construction in Colorado, Wyoming, Nebraska, Kansas, New Mexico, South Dakota and Iowa. Castle Rock specializes in asphalt pavement, curbs and gutters, concrete flatwork, earth moving and demolition, concrete and surface treatments, sub-grade stabilization and concrete median barriers. Its customer base includes private homeowners, commercial and residential developers and city, county, state and federal agencies. Castle Rock Construction is located in Castle Rock, Colo.

Founded in 1981, Western Summit Constructors is a premier environmental contractor specializing in the building of water and wastewater facilities throughout the United States. Western Summit Constructors is among the top contractors in the water and wastewater industry, consistently ranked as one of Engineering News Record's Top 20 Water and Wastewater Contractors. WSCI specializes in municipal and industrial water and wastewater treatment facilities and water storage facilities. As of 1993, WSCI became a wholly-owned subsidiary of TIC Holdings. WSCI has operates their corporate office in Denver, Colo., with regional offices in Atlanta, Ga., San Diego, Calif., and Houston, Texas.