Napa County companies starting with O

20 companies, from California license records. Check any of them on the state's license lookup before you hire.

O G PLUMBINGNapa · Plumbing Contractor (C-36)
O'BRIEN BUILDERSNapa · General Building Contractor (B)
OAK DESIGN AND BUILDNapa · General Building Contractor (B) · Landscaping Contractor (C-27)
OAK KNOLL ELECTRICNapa · Electrical Contractor (C-10)
OAK KNOLL GROUP THENapa · General Building Contractor (B) · Plumbing Contractor (C-36) · Specialty Contractor
OAKVILLE PUMP SERVICE INCNapa · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10) · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36) · Specialty ContractorWater well pump installation · Submersible pump installation and mainte · Booster pump installation
OBRA NAPA DESIGN BUILDNapa · General Building Contractor (B)
ODEN & DOUCETTE INCNapa · Earthwork & Paving Contractor (C-12) · Painting Contractor (C-33)
OGDEN ALANNapa · General Building Contractor (B)
OGDEN POLLY ASSOCIATESSt Helena · General Building Contractor (B)
OGLETREE'S INCSt Helena · Steel Contractor (C-50, C-51) · Specialty ContractorStructural Steel Fabrication & Installat · Winery Equipment · Ornamental Metal Fabrication
OLDE WORLD DESIGNSOakville · General Building Contractor (B) · Fencing Contractor (C-13)
OLDENBROOK DESIGN/BUILDNapa · General Building Contractor (B) · Flooring Contractor (C-15) · Specialty Contractor
OLSON JAMES A GENERAL CONTRACTORNapa · General Building Contractor (B)
OLSON T JAmerican Canyon · General Engineering Contractor (A) · Earthwork & Paving Contractor (C-12)
ORGAN DRYWALLNapa · Drywall Contractor (C-9)
OROZCO'S GUS FLOORINGNapa · Flooring Contractor (C-15)
ORTEGA J A BUILDERSRutherford · General Building Contractor (B)
OSCAR TREE SERVICES INCNapa · Specialty Contractor
OXBOW POOL & LANDSCAPE CONTRACTORSNapa · Landscaping Contractor (C-27) · Swimming Pool Contractor (C-53)

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