Construction Services: North Texas Municipal Water District City of Wichita Falls Landfill City of Dallas, McCommas Bluff Landfill G.O. Weiss, Greenhouse Road Landfill Sprint, Fort Bend County Landfill Waste Management City of Pampa Bell Processing Iowa Park Landfill City of Arlington Landfill City of Weatherford Landfill Field Services: City of Corsicana City of Garland City of Arlington City of Weatherford City of Gainesville City of Wichita Falls City of Snyder Renovar, City of Arlington LFG - Energy Project Renovar, Woolworth Road LFG - Energy Project Fort Worth Regional Landfill Republic Waste Waste Management of N. Texas - Multiple sites Waste Management of Oklahoma - Multiple sites Texoma Area Solid Waste Authority Fort Hood Geology and Hydrogeology Services: Allied Waste - Multiple sites IESI - Multiple sites Waste Management of N. Texas - Multiple sites Waste Management of Oklahoma - Multiple sites City of Gainesville City of Pampa G.O. Weiss - Green House Road Landfill Sprint Fort Bend County Landfill Texoma Solid Waste Authority       Residential and Commercial Development: The Robert Seabury Company Skyline Developers The Dennis Company Robson Ranch Land Development in Denton Texas United Regional Health Care System R.J. Wachsman Building Corp. Cheddars Inc. Ruby Tequilas Inc. Royal Seal Companies (Advanced Auto Parts) Smith, Seckman & Reid Inc. Solid Waste Services: City of Wichita Falls Texoma Area Solid Waste Authority Waste Management City of Dallas City of Grand Prairie G. O. Weiss Long Point Partners Sprint Fort Bend County Landfill Water Facilities: Red River Authority of Texas Aqua Water Supply Corp. Fort Belknap Water Supply Corp. Argyle Water Supply Corp. Baylor Water Supply Corp. Wastewater Services: City of Wichita Falls City of Iowa Park City of Archer City City of Munday City of Bryson City of Windthorst City of Matador City of Electra City of Olney City of Holliday City of Burkburnett City of Vernon City of Seymour City of Jacksboro City of Gainesville