Orange County companies starting with O

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

OERTEL HANS JOACHIMSan Juan Capistrano · General Building Contractor (B) · Electrical Contractor (C-10)
OFF ON ELECTRICCypress · Electrical Contractor (C-10)
OFF THE HINGE DOOR COMPANYOrange · Glazing Contractor (C-17) · Specialty Contractor
OFFICE 360 FURNITURE INSTALLATIONGarden Grove · Specialty Contractor
OFFICE-FURNITURE SOLUTIONS INC THEPlacentia · General Building Contractor (B) · Specialty Contractor
OFFSHORE CONSTRUCTIONCapistrano Beach · General Building Contractor (B)Windows installation · Doors & windows · Free in-home consultation
OG CONSTRUCTION CLEAN UP SERVICE INCLake Forest · Specialty Contractor
OGAN CONSTRUCTION INCLos Alamitos · General Building Contractor (B)
OGAN ELECTRICHuntington Beach · General Building Contractor (B) · Electrical Contractor (C-10)
OGANA PAINTINGBuena Park · Painting Contractor (C-33)
OH JUNYEONGFullerton · General Building Contractor (B) · Electrical Contractor (C-10)
OH KEON IKStanton · Glazing Contractor (C-17)
OH STEVE SFullerton · General Building Contractor (B)
OHANA CABINETS & CONSTRUCTION LLCFountain Valley · General Building Contractor (B)
OHANA GENERAL CONTRACTING INCMission Viejo · General Building Contractor (B)
OHARA AND SONS LANDSCAPING INCWestminster · Landscaping Contractor (C-27)
OHJAE LEEAnaheim · HVAC Contractor (C-20)
OHLA USA INCIrvine · General Engineering Contractor (A) · General Building Contractor (B) · Specialty ContractorBuilding Information Modeling · Construction Management · Design-Build
OHMX ELECTRIC INCFullerton · Electrical Contractor (C-10)
OIL CREW SERVICE INCBrea · General Building Contractor (B) · Specialty Contractor
OJEDA SHOWER PANSLaguna Niguel · Specialty Contractor
OK ELECTRIC/GARAGE DOOR REPAIRFullerton · Electrical Contractor (C-10) · Specialty Contractor
OKEEFFE CONSTRUCTION COMPANYLos Alamitos · General Building Contractor (B)
OKERENSON CORPORATIONIrvine · General Engineering Contractor (A) · General Building Contractor (B) · Specialty Contractor
OKERLUND PHILIP GLENOrange · General Building Contractor (B)Estimating · Pre-Construction · Project Management
OKIMOTO MICHAELHuntington Beach · Electrical Contractor (C-10)
OLA VISTA PAINTING INCSan Clemente · Painting Contractor (C-33)
OLBERDING CONSTRUCTION INCWestminster · General Building Contractor (B) · Specialty Contractor
OLD SOUL CUSTOM BUILDERSCypress · General Building Contractor (B)
OLD TOWN FIBERGLASS INCOrange · Specialty ContractorPlanters · Receptacles · Waterproof liners
OLD TOWN TILETustin · Tile Contractor (C-54) · Specialty Contractor
OLD TOWNE PAINTINGOrange · Painting Contractor (C-33)
OLD TOWNE PLUMBINGOrange · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
OLD TOWNE TILE & STONE INCBrea · Tile Contractor (C-54)
OLD WORLD TILE AND STONECRAFT INCOrange · Tile Contractor (C-54)
OLE HANSON PLUMBING, LLCSan Clemente · Plumbing Contractor (C-36)
OLEN DEVELOPMENT CORPNewport Beach · General Building Contractor (B)
OLIVA BROTHERS 4 CLEANING INCSan Juan Capistrano · Specialty Contractor
OLIVA ENTERPRISESan Clemente · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6)
OLIVARES CONSTRUCTIONGarden Grove · General Building Contractor (B) · Painting Contractor (C-33)
OLIVARES PLASTERING COOrange · Lathing & Plastering Contractor (C-35)
OLIVARES TILEAnaheim · Tile Contractor (C-54)
OLIVAZ CONSTRUCTIONSanta Ana · General Engineering Contractor (A) · General Building Contractor (B)
OLIVE MILL MANUFACTURING INCPlacentia · General Building Contractor (B)Countertops · Shower surrounds · Fabrication & installation
OLIVE TREE CONSTRUCTION INCCorona Del Mar · General Building Contractor (B)
OLIVER BRUCE CONTRACTINGIrvine · General Building Contractor (B)
OLIVER CONSTRUCTIONDana Point · General Building Contractor (B)
OLIVER D S CONSTRUCTIONCosta Mesa · General Building Contractor (B)
OLIVER POOLS MAINTENANCE AND REPAIRSLaguna Niguel · Specialty Contractor
OLIVERA TONYRancho Santa Margarita · General Building Contractor (B)
OLIVOS ELECTRIC INCAnaheim · Electrical Contractor (C-10)
OLLAR ROBERT LDana Point · General Building Contractor (B)
OLLIN INTERNATIONAL INCAnaheim · Tile Contractor (C-54)
OLLIVIER CORPORATION THELaguna Hills · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
OLMEDO LANDSCAPE SOLUTIONLake Forest · Landscaping Contractor (C-27)
OLMSTEAD KURT & COMPANYFountain Valley · Cabinet, Millwork & Finish Carpentry (C-6)
OLMSTED DAVIDHuntington Beach · General Building Contractor (B)
OLO CONSTRUCTIONIrvine · General Building Contractor (B)
OLPIN GROUP INCAnaheim · Specialty ContractorArt storage · Automated storage · Bed lifts
OLSEN DRYWALLRancho Santa Margarita · Drywall Contractor (C-9)
OLSEN WOODWORKSSan Clemente · Cabinet, Millwork & Finish Carpentry (C-6)
OLSON CORY JAMESAliso Viejo · Electrical Contractor (C-10)
OLSON J BENJAMINTustin · General Building Contractor (B)
OLSON PHILIP ENewport Beach · General Building Contractor (B)
OLSON R D CONSTRUCTIONIrvine · General Building Contractor (B)
OLSON RW CONSTRUCTIONNewport Beach · General Building Contractor (B)
OLSON SUPERIOR PLUMBING INCLake Forest · HVAC Contractor (C-20) · Plumbing Contractor (C-36)24/7 Emergency Plumbing · Drain Cleaning & Unclogging · Leak Detection & Repair
OLSON URBAN HOUSING L PSeal Beach · General Building Contractor (B)
OLSON'S PLUMBING AND ROOTER INCHuntington Beach · Plumbing Contractor (C-36)
OLSSON CONSTRUCTION INCOrange · General Engineering Contractor (A)Distribution & Collection · Treatment Facilities · Tanks & Reservoirs
OLVERA G CONSTRUCTION INCAnaheim · General Building Contractor (B)
OLYMPIA FIRE PROTECTIONCapistrano Beach · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
OLYMPIAN ELECTRICAnaheim · Electrical Contractor (C-10)
OLYMPIC PAINTINGLa Habra · Painting Contractor (C-33)
OLYMPIC PAINTING AND COATINGSAnaheim · Painting Contractor (C-33)
OLYMPIQUE FACADE ACCESS CONSULTINGIrvine · Specialty ContractorNew Construction Consulting & Design · Existing Building Consulting & Design · Scaffold Inspection & Testing
OLYMPIQUE SCAFFOLD INSPECTION AND TESTINGIrvine · Specialty Contractor
OLYMPUS STONE CARE INCIrvine · Specialty Contractor
OMAR & J PAINTINGSanta Ana · Painting Contractor (C-33)
OMEGA CONSTRUCTION SERVICES INCFullerton · General Building Contractor (B) · Electrical Contractor (C-10) · Plumbing Contractor (C-36)
OMEGA ENVIRONMENTAL SERVICES INCNewport Beach · General Building Contractor (B) · Specialty ContractorEnvironmental Site Assessments · Industrial Hygiene · Asbestos
OMEGA GATE AND ENTRY SYSTEMS CORPORATIONStanton · Specialty Contractor
OMEGA REMODELINGCosta Mesa · General Building Contractor (B)
OMG KITCHEN & BATH SPECIALISTS INCLake Forest · General Building Contractor (B)Kitchen remodeling · Bathroom remodeling
OMNI CONTRACTING INCOrange · General Building Contractor (B)
OMNI REAL ESTATE & CONSTRUCTION GROUPIrvine · General Building Contractor (B)
OMNISCAPE CONSTRUCTIONWestminster · General Building Contractor (B)
OMNISENSE HVACHuntington Beach · General Building Contractor (B) · HVAC Contractor (C-20)
OMNIX CONSTRUCTION LLCSanta Ana · General Building Contractor (B)
ON & GONE ELECTRIC INCCypress · Electrical Contractor (C-10)
ON DEMAND CONTRACTORS INCLa Palma · General Engineering Contractor (A) · Low Voltage Systems Contractor (C-7)
ON POINT CONSTRUCTION & RENOVATION INCSanta Ana · General Building Contractor (B)
ON POINT ROOFING CACypress · Roofing Contractor (C-39)
ON SITE PROPERTY MAINTENANCE AND REMODELING INCTustin · General Building Contractor (B)
ON TARGET ELECTRIC INCTustin · General Building Contractor (B) · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)Lighting Upgrades · EV Charging · Wiring Upgrades
ON THE GO PLUMBING AND DRAINSBuena Park · Plumbing Contractor (C-36)
ON THE LEVEL CONSTRUCTIONSan Clemente · General Building Contractor (B)
ON THE LEVEL GRADINGSan Clemente · Earthwork & Paving Contractor (C-12)
ON THE SPOT CONSTRUCTIONAnaheim · General Building Contractor (B) · Plumbing Contractor (C-36) · Roofing Contractor (C-39)
ON TIME ROOFING INCCosta Mesa · Roofing Contractor (C-39)
ON YOUR MARK GLAZINGCypress · Glazing Contractor (C-17)
ON-DECK COATINGSHuntington Beach · Specialty Contractor
ON-SITE SPECIALISTSMission Viejo · Specialty Contractor
ONDA CONSTRUCTION INCAnaheim · General Building Contractor (B)
ONE - WAY CONSTRUCITON INCGarden Grove · General Building Contractor (B)
ONE 44 CONSTRUCTION INCCypress · General Building Contractor (B)
ONE BUTTON MANAGEMENT CORPORATIONLake Forest · General Building Contractor (B)
ONE CORP STRIPING SERVICE LLCOrange · Earthwork & Paving Contractor (C-12)
ONE ENGINEERING GROUPBrea · General Engineering Contractor (A)
ONE FLOW BACKFLOW INCBrea · Plumbing Contractor (C-36)
ONE FOR ALL CONCRETE INCAnaheim · Concrete Contractor (C-8)
ONE HOUR HEATING AND AIR CONDITIONINGFullerton · HVAC Contractor (C-20)
ONE HOUR HEATING AND AIR CONDITIONINGOrange · HVAC Contractor (C-20)
ONE HOUR HEATING AND AIR CONDITIONINGMission Viejo · HVAC Contractor (C-20)
ONE PAINTING COSeal Beach · Painting Contractor (C-33)
ONE PRO PLUMBINGBuena Park · Plumbing Contractor (C-36)
ONE SEASON HEATING AND AIR CONDITIONINGIrvine · HVAC Contractor (C-20)
ONE SHOT PLUMBING AND DRAINS LLCAnaheim · Plumbing Contractor (C-36)
ONE STEP AHEAD CONSTRUCTION INCAnaheim · General Building Contractor (B) · Painting Contractor (C-33) · Specialty Contractor
ONE STOP CONSTRUCTIONSeal Beach · General Building Contractor (B)
ONE STOP RENOVATIONS INCMission Viejo · General Building Contractor (B)
ONE STOP ROOFINGPortola Hills · General Building Contractor (B) · Roofing Contractor (C-39)
ONE STOP TINT SHOPFountain Valley · Specialty Contractor
ONE TIME PLUMBINGHuntington Beach · Plumbing Contractor (C-36)
ONE WAY PAINTING INCOrange · Painting Contractor (C-33)House painting · Commercial painting · Interior painting
ONEPLUS ELECTRICSan Juan Capistrano · General Building Contractor (B) · Electrical Contractor (C-10)
ONG SONNYAnaheim · Low Voltage Systems Contractor (C-7)
ONLINE SECURITY SYSTEMSHuntington Beach · Electrical Contractor (C-10)
ONLY SOLUTIONS ELECTRIC LLCIrvine · Electrical Contractor (C-10)
ONPOINT COMMERCIAL LLCPlacentia · General Building Contractor (B)
ONSHORE MECHANICALHuntington Beach · Electrical Contractor (C-10) · HVAC Contractor (C-20)
ONSITE CONSTRUCTIONAnaheim · General Building Contractor (B)
ONTRA BUILDERSLaguna Niguel · General Building Contractor (B)
ONYX GCLaguna Hills · General Building Contractor (B)
ONYX GLASS & ALUMINUMFullerton · Glazing Contractor (C-17)
ONYX PAVING COMPANY INCYorba Linda · General Engineering Contractor (A) · Earthwork & Paving Contractor (C-12)Asphalt · Concrete · Maintenance
OPPENHEIMER NATIONALSan Juan Capistrano · General Engineering Contractor (A) · General Building Contractor (B) · Specialty Contractor
OPTIMA CONSTRUCTION INCCosta Mesa · General Building Contractor (B)
OPTIMA POWER AND LV INCIrvine · Electrical Contractor (C-10)
OPTIMA R P M INCIrvine · General Engineering Contractor (A) · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6) · Glazing Contractor (C-17)
OPTIMA REMODEL LLCMission Viejo · General Building Contractor (B)
OPTIMAL GARAGE DOORSSurfside · Specialty Contractor
OPTIMAL PLUMBINGLake Forest · Plumbing Contractor (C-36)
OPTIMIST & COMPANY INCLaguna Beach · Flooring Contractor (C-15) · Specialty Contractor
OPTIMUM ELECTRICHuntington Beach · Electrical Contractor (C-10)
OPTIMUM HVACTustin · HVAC Contractor (C-20)
OPTIMUM PLUMBING SERVICES INCSanta Ana · Plumbing Contractor (C-36)Drain cleaning · Water heater repair and replacement · Sink and faucet repair
OPTIMUM REMODELING INCSanta Ana · General Building Contractor (B)
OPTIMUS CONSTRUCTION LLCSanta Ana · General Building Contractor (B)
OPULENT DESIGN BUILD INCIrvine · General Engineering Contractor (A) · General Building Contractor (B)
OPULENT POWER SOLUTIONS LLCAnaheim · Electrical Contractor (C-10)
ORANGE COAST AUDIO / VIDEOLaguna Niguel · Low Voltage Systems Contractor (C-7)Custom TV installation · Home theater systems · Backyard A/V systems
ORANGE COAST COATINGSCosta Mesa · Painting Contractor (C-33)
ORANGE COAST CONSTRUCTION COMPANYNewport Beach · General Building Contractor (B)
ORANGE COAST DEVELOPMENT & CONSTRUCTION INCCosta Mesa · General Building Contractor (B)Interior design · Landscape design · Finish carpentry
ORANGE COAST ELECTRIC INCOrange · Electrical Contractor (C-10)Commercial office wiring · Warehouse wiring · Electrical panel installations
ORANGE COAST FENCE COMPANYSanta Ana · Fencing Contractor (C-13) · Specialty ContractorChain Link Fencing · Iron Fencing · Wood Fencing
ORANGE COAST HARDWOOD FLOORS INCOrange · Flooring Contractor (C-15) · Tile Contractor (C-54)Custom Design · Installation · Refinishing
ORANGE COAST LANDSCAPING INCOrange · Landscaping Contractor (C-27)
ORANGE COAST PETROLEUM EQUIPMENT INCOrange · General Engineering Contractor (A)Compliance Services · Fuel Pumps · Hoses
ORANGE COAST PLUMBINGSanta Ana · General Building Contractor (B) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)Drain & Sewer · Leak Detection · Water Heaters
ORANGE COAST PROPERTY DEVELOPMENT INCLaguna Hills · General Building Contractor (B)
ORANGE COAST REMODELSCosta Mesa · General Building Contractor (B)
ORANGE COAST RESTORATION INCFountain Valley · Flooring Contractor (C-15)
ORANGE COAST ROOFING INCOrange · Roofing Contractor (C-39)
ORANGE COAST SOLAR INCIrvine · Electrical Contractor (C-10)
ORANGE COAST WINDOWS INCFullerton · Glazing Contractor (C-17)
ORANGE COUNTY ACOUSTICS INCFountain Valley · General Building Contractor (B) · Insulation & Acoustical Contractor (C-2) · Drywall Contractor (C-9)
ORANGE COUNTY ASPHALT INCAnaheim · General Engineering Contractor (A)
ORANGE COUNTY BLOCK WALLPlacentia · Concrete Contractor (C-8) · Masonry Contractor (C-29)
ORANGE COUNTY CARPENTRYGarden Grove · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6) · Glazing Contractor (C-17)
ORANGE COUNTY COMMERCIAL FLOORINGFountain Valley · General Building Contractor (B)
ORANGE COUNTY CONCRETEAnaheim · Concrete Contractor (C-8)
ORANGE COUNTY CONSERVATION CORPSAnaheim · Landscaping Contractor (C-27)
ORANGE COUNTY CONSTRUCTION INCAnaheim · General Building Contractor (B)ADU & Garage Conversions · Kitchens & Baths · Room Additions
ORANGE COUNTY CONTRACTING SERVICESIrvine · General Building Contractor (B) · Electrical Contractor (C-10)
ORANGE COUNTY CONTRACTOR SERVICESWestminster · General Building Contractor (B)
ORANGE COUNTY CONTRACTORS COLLECTIVETrabuco Canyon · General Building Contractor (B)
ORANGE COUNTY COOLING SYSTEMSLa Habra · HVAC Contractor (C-20)
ORANGE COUNTY CUSTOM POOLSSanta Ana · Swimming Pool Contractor (C-53)
ORANGE COUNTY DEMOLITION INCPlacentia · Concrete Contractor (C-8) · Demolition Contractor (C-21)Site Clear · Saw Cutting · Core Drilling
ORANGE COUNTY DEPENDABLE PLUMBING INCMission Viejo · Plumbing Contractor (C-36)
ORANGE COUNTY DRAINSAnaheim · Plumbing Contractor (C-36)Drain Cleaning · Hydro Jetting · Clogged Drain & Stoppage Clearing
ORANGE COUNTY ELECTRICIANS LLCIrvine · Electrical Contractor (C-10)
ORANGE COUNTY ERECTORS INCAnaheim · General Building Contractor (B) · Steel Contractor (C-50, C-51)
ORANGE COUNTY FENCE COMPANYSan Clemente · Fencing Contractor (C-13)
ORANGE COUNTY FIRE PROTECTIONOrange · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10) · Fire Protection Contractor (C-16)Fire Extinguishers · Fire Sprinklers · Special Hazard Systems
ORANGE COUNTY FIRE PROTECTION AND PLUMBINGGarden Grove · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
ORANGE COUNTY FLOORINGIrvine · Flooring Contractor (C-15)
ORANGE COUNTY GARAGE DOORS INCHuntington Beach · Specialty Contractor
ORANGE COUNTY GENERAL CONSTRUCTION INCSanta Ana · General Building Contractor (B)
ORANGE COUNTY INTERGRATED SYSTEMSLaguna Beach · Low Voltage Systems Contractor (C-7)
ORANGE COUNTY INTERIOR DRYWALLBrea · Drywall Contractor (C-9)
ORANGE COUNTY IRON INCAnaheim · Specialty Contractor · Steel Contractor (C-50, C-51)
ORANGE COUNTY IRRIGATION SPRINKLER REPAIR SERVICETustin · Landscaping Contractor (C-27)Sprinkler Repair · Sprinkler Tune-Up · Backflow Testing
ORANGE COUNTY LAMINATESAnaheim · Specialty Contractor
ORANGE COUNTY LANDSCAPE MAINTENANCESanta Ana · Landscaping Contractor (C-27)
ORANGE COUNTY LOCKSMITH SERVICEOrange · Specialty Contractor
ORANGE COUNTY MABLE & GRANITEAnaheim · Tile Contractor (C-54)
ORANGE COUNTY MAILBOXESWestminster · General Building Contractor (B) · Specialty Contractor

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