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S

• S.C. Concrete Pipe Association
• Saline Water Conversion Corporation, Saudi Arabia
• San Antonio River Authority
• San Bernardino County
• San Diego County Public Works
• San Diego County Water Authority
• San Diego Gas & Electric Company
• San Diego Gas And Electric
• San Francisco Water Dept.
• San Gorgonio Water Agency
• Santa Clara Valley Water Dist.
• Santa Margarita Water District
• Saud Consult
• Saudi Aramco
• Saudi Clay Pipe Company
• Saudi Plastic Pipe Company
• Scarburough Public Utilities
• SCS Engineers, Washington, D.C.
• Sea Consultants
• Seattle Metro
• Seattle Water Dept.
• Semitropic Buttonwillow Water Storage District, California
• Service Corp. International
• Sierra Pacific Power
• Simons-Eastern Consultants
• Sithe Energies, France
• Snamprogetti spa, Italy
• Snc-Lavalin
• Snowden & Meyer Associates, Texas
• South Placer Municipal Utility
• Southern California Gas Co.
• Spencer J. Buchanan & Associates, Texas
• Spokane Concrete Pipe Products, Washington
• Springfield Municipal Water
• St. Louis Metro Sewer District, Missouri
• Standard Pressure Pipe
• State of California Water Resources
• State of Wisconsin-Division of Facilities Management
• Steel Pipe Manufacturers Association, Philippines
• Steel Plate Fabricators Association
• Stone and Webster
• Streamline, Australia
• Summers Engineering
• Superior Clay Pipe Corporation, Ohio
• Sweetwater Authority