- ADVANTAGE PAVING AND EXCAVATING INCORPORATED
- A.I.R. CONSTRUCTION AND EXCAVATION
- BOB JOHNSON CONSTRUCTION
- BRUCE'S TOWING SISKIYOU LLC
- BRUCES TRANSPORT
- BSB CINDER CO
- CALIFORNIA ROAD BUILDERS LLC
- CUSTOM CRUSHING INDUSTRIES INC
- EVANS BUILDING AND EXCAVATING INC
- FIRE MONKEY CATERING SERVICES INC
- KEN DEL TRUCKING LLC
- MOTT BROS INC
- MOUNTAIN READY MIX
- MOUNTAIN READY MIX
- PETERS ENTERPRISES LLC
- RICK L FREDERICK TRUCKING
- SHASTA FOREST PRODUCTS INC
- SISKIYOU DISTRIBUTING & NORTH SISKIYOU DAIRY
- SISKIYOU PLUMBING & ELECTRICAL SERVICE INC
- STIDHAM TRUCKING INC
- SVM PLUMBING HEATING & AIR
- YREKA TRANSFER
- YREKA TRANSIT MIXED CONCRETE INC