• Boeing United Launch Alliance, VAFB Launch Facilities
• Celite Corp
• Chevron / Texaco
• City of Atascadero
• City of San Luis Obispo
• City of Santa Maria
• City of Solvang
• Department of Homeland Security
• GE Oil & Gas
• Harrison Trucking
• Lockheed Martin
• Lompoc Federal Prison
• NAVFAC Mobile Utilities Support Equipment
• NAVFAC Naval Facilities Engineering Command
• Plains / Nuevo Energy
• Plains Exploration
• SAC Motor Sports
• San Luis Obispo Airport
• Santa Barbara Farms
• Shell Oil Pipeline
• The Boeing Company
• The Okonite Company
• US Army Corps of Engineers, Los Angeles District
• US Air Force, Vandenberg Air Force Base
• Venoco Inc.
• Weyerhaeuser Company

TEAMING / JOINT VENTURE / SUBCONTRACTOR RELATIONSHIPS

• A-1 Truck & Equipment
• Berchtold Equipment
• Bremer / Napa Auto Parts (In-house parts procurement center at PC Mechanical facility)
• Brumit Diesel
• C & N Autobody & Heavy Equipment
• CAT - Holt of California
• CAT - Puckett Machinery - Gulfport, MS
• CAT - Quinn Company
• Coastline Equipment
• Cummings West Inc.
• Franklin Truck Parts
• National Auto Body
• Oshkosh Trucking Corporation
• PC Quinn, LLC
• Valley Power Systems, Inc.