The Telfer Companies are members of:

• Asphalt Interlayer Association (AIA)
• American Public Works Association (APWA)
• California Chip Seal Association (CCSA)
• Asphalt Emulsion Manufacturers Association(AEMA)
• The Associated General Contractors of America (AGC of America)
• IECA (International Erosion Control Association)
• Maintenance Superintendents Association
• Asphalt Pavement Association of California
• California Asphalt Pavement Association
  
• Pacific Coast User Producer Group
• Pavement Preservation Task Group
• CALTRANS Certificate of Compliance Task Group

The Telfer Companies are supporters of:

• Chico State Pavement Preservation Center

Partners & Suppliers

• Mead Westvaco
• Ultrapave
• BASF
• Western Emulsion
• Petrochem Maufacturing Inc.
• Mirafi
• Owens Corning
• Akzo Nobel
• Roadtec
• Bearcat