San Diego County companies starting with O

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

ONE HAT CONSTRUCTION INCSan Diego · General Engineering Contractor (A) · General Building Contractor (B) · Concrete Contractor (C-8) · Plumbing Contractor (C-36)Residential & Commercial Remodeling · Water & Fire Damage Restoration · Insurance Restoration Services
ONE HOUR HEATING & AIR CONDITIONINGSan Diego · HVAC Contractor (C-20)
ONE NATION PLUMBINGSan Diego · Plumbing Contractor (C-36)
ONE PHASE CONSTRUCTION INCChula Vista · General Building Contractor (B)
ONE SEED BUILDERS INCLa Mesa · General Building Contractor (B)
ONE SMART ELECTRICEscondido · Electrical Contractor (C-10)
ONE SOURCE CABINETS & MILLWORK INCChula Vista · Cabinet, Millwork & Finish Carpentry (C-6)
ONE SOURCE COATINGSLakeside · Specialty Contractor
ONE SQUARE BUILDERSRamona · General Building Contractor (B)
ONE STOP BUILDERS INCSan Diego · General Building Contractor (B)
ONE STOP COMFORT CENTER INCSan Diego · General Building Contractor (B) · Electrical Contractor (C-10) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
ONE STOP CONCRETELemon Grove · Concrete Contractor (C-8)
ONE STOP CONSTRUCTIONRamona · General Building Contractor (B)
ONE STOP PLUMBING AND DRAINSChula Vista · Plumbing Contractor (C-36)
ONE TOUCH HOME THEATER INCLa Mesa · Low Voltage Systems Contractor (C-7)
ONE TOUCH LIVINGSan Diego · Low Voltage Systems Contractor (C-7)Integrated Systems & Living · Home Theater and Entertainment · System Design, Support, and Optimization
ONE TRIPP TREE SERVICE INCSan Diego · Specialty ContractorPruning · Trimming · Stump Grinding
ONE WAY PLUMBINGSan Diego · Plumbing Contractor (C-36)
ONE WEST CONTRACTINGFallbrook · General Building Contractor (B)
ONE-STOP COMMERICAL REFRIGERATIONChula Vista · HVAC Contractor (C-20)
ONE'S PAINTINGChula Vista · Painting Contractor (C-33)
ONE'SPHERE A / V INCSan Diego · Low Voltage Systems Contractor (C-7)
ONESTOP ADUSan Diego · General Building Contractor (B)
ONEWAY CUSTOMS PREFRABICATED INSTALLATIONSLakeside · Specialty Contractor
ONEY ROOFING INCEscondido · Roofing Contractor (C-39)
ONLINE BUILDERSSolana Beach · General Building Contractor (B)
ONLINE BUILDERS U SSolana Beach · General Building Contractor (B)
ONLINE/ROCK ELECTRIC A JOINT VENTURESolana Beach · General Building Contractor (B)
ONLY ELECTRICSan Ysidro · Electrical Contractor (C-10)
ONLY POOLS SERVICE & REPAIRLemon Grove · Specialty Contractor
ONPOINT CONSTRUCTION COMPANYSan Diego · General Building Contractor (B)
ONSITE CLEANING SERVICESSan Diego · Specialty Contractor
ONTHEMARK CONSTRUCTION INCSantee · General Building Contractor (B)
ONTIVEROS C G CONSTRUCTION GENERAL CONTRACTORSpring Valley · General Building Contractor (B)
ONTIVEROS DESIGN BUILD & REMODELBonita · General Engineering Contractor (A) · General Building Contractor (B) · Demolition Contractor (C-21)
ONYX BUILDING GROUP INCEl Cajon · General Building Contractor (B) · Drywall Contractor (C-9) · Lathing & Plastering Contractor (C-35)
ONYX GARAGE DOOR SOLUTIONSSan Diego · Specialty Contractor
ONYX PROPERTY MANAGEMENTSan Diego · General Building Contractor (B)Property Management · Leasing · Maintenance Requests
ONYX TILESan Diego · Tile Contractor (C-54)
OP CONSTRUCTIONOceanside · General Building Contractor (B)
OPC PLUMBINGCarlsbad · Plumbing Contractor (C-36)
OPEN DOOR CABINETSEl Cajon · Cabinet, Millwork & Finish Carpentry (C-6)Custom Furniture · Custom Cabinets · Conference Tables
OPEN LINE CONSTRUCTIONSan Diego · General Building Contractor (B)
OPEN SESAME GARAGE DOORS & GATESLemon Grove · General Building Contractor (B) · Specialty ContractorGarage Door Repair · Garage Door Replacement · Garage Door Spring Repair
OPENSHAW CONSTRUCTION CORPPoway · General Building Contractor (B) · Glazing Contractor (C-17)
OPFER TODD LPoway · General Building Contractor (B)
OPTIMAL BUILDING SOLUTIONSSantee · General Building Contractor (B) · Demolition Contractor (C-21) · Specialty Contractor
OPTIMAL ELECTRIC LLCEl Cajon · Electrical Contractor (C-10)
OPTIMAL REMODELING AND DESIGNSan Diego · General Building Contractor (B)Kitchen Remodeling · Bathroom Remodeling · Whole Home Remodeling
OPTIMAL WATERPROOFING & RECONSTRUCTIONEl Cajon · General Building Contractor (B) · Specialty ContractorWaterproofing · Concrete Restoration · Epoxy
OPTIMUM AIRESan Diego · HVAC Contractor (C-20)
OPTIMUM CONSTRUCTION INCFallbrook · General Building Contractor (B) · Fire Protection Contractor (C-16)
OPTIMUS ENGINEERINGFallbrook · General Engineering Contractor (A)
OPTIMUS PRIME ENGINEERINGSan Luis Rey · General Engineering Contractor (A)
OPTIMUS PRIME LANDSCAPING EROSIONSan Luis Rey · Landscaping Contractor (C-27)
OPTIMUS ROOFING INCFallbrook · Roofing Contractor (C-39)
OPUS DESIGN BUILDChula Vista · General Building Contractor (B)
OPUS FIDELISCarlsbad · General Building Contractor (B) · Electrical Contractor (C-10) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
ORACLE CONSTRUCTIONSan Diego · General Building Contractor (B)
ORAHA AL-RAIS OSAMASpring Valley · Electrical Contractor (C-10)
ORAHOOD ERIC CLakeside · General Building Contractor (B)
ORANGE CAT ELECTRIC SERVICESan Diego · Electrical Contractor (C-10)
ORANGE SOLAREl Cajon · Electrical Contractor (C-10) · Solar Contractor (C-46)
ORBITECH COMMUNICATIONSFallbrook · General Building Contractor (B) · Low Voltage Systems Contractor (C-7)
ORCA PLUMBINGEscondido · Plumbing Contractor (C-36)
ORDONEZ ALFREDO CONSTRUCTIONFallbrook · General Building Contractor (B)
ORDONEZ FENCINGPauma Valley · Fencing Contractor (C-13)
ORDONEZ QUALITY CONCRETE INCFallbrook · Concrete Contractor (C-8)
OREGON TRAIL REMODELING & RESTORATION INCEscondido · General Building Contractor (B)
OREL COATING INCSantee · Painting Contractor (C-33)
ORG SAN DIEGOEscondido · General Building Contractor (B)
ORGANIC PACIFIC LANDSCAPINGSan Diego · Landscaping Contractor (C-27)
ORIGINAL CONCEPT CONSTRUCTIONSan Diego · General Building Contractor (B)
ORIGINAL JB WINDOWS & DOORS CONSTRUCTION & REMODELING THESan Diego · General Building Contractor (B)
ORIGINAL PLUMBINGSan Diego · Plumbing Contractor (C-36)
ORIGINS ELECTRIC LLCDulzura · Electrical Contractor (C-10)
ORIOL CONSTRUCTIONSpring Valley · General Building Contractor (B)
ORIOL PETERSan Diego · General Building Contractor (B)
ORION / TC A JOINT VENTURESantee · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B) · Demolition Contractor (C-21) · Landscaping Contractor (C-27)
ORION BUILDERS OF CALIFORNIA INCSan Diego · General Building Contractor (B)
ORION CONSTRUCTION CONSULTING LLCOceanside · General Building Contractor (B)
ORION CONSTRUCTION CORPORATIONVista · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B) · Landscaping Contractor (C-27)Design-Build · Progressive Design-Build · Emergency Service
ORION CONSTRUCTION CORPORATION / BALBOA CONSTRUCTION INC JOINTVista · General Engineering Contractor (A) · General Building Contractor (B)Design-build · Progressive design-build · Design-bid-build
ORION ELECTRICEscondido · Electrical Contractor (C-10)
ORLANDO MASONRY INCVista · Masonry Contractor (C-29)
ORLANDO'S CUSTOM PAINTINGLa Mesa · Painting Contractor (C-33)
ORMSBY CONSTRUCTION COMPANYSan Diego · General Building Contractor (B)
ORNAMENTALIC INCChula Vista · Specialty Contractor
ORNELAS FAMILY PAINTINGSan Marcos · Painting Contractor (C-33)
ORNELAS PRO PAINTING INCEscondido · Painting Contractor (C-33)
ORNESS DESIGN GROUP INCSan Diego · Specialty Contractor
ORO'S ORNAMENTAL IRONOceanside · Specialty ContractorEntry doors · Entry gates · Rails and fencing
ORODS AIR DUCT CLEANINGVista · Specialty Contractor
OROS MARCOS A JRChula Vista · General Building Contractor (B)
OROZCO DRYWALLRamona · Drywall Contractor (C-9)
OROZCO FLOORING INCChula Vista · Flooring Contractor (C-15)
OROZCO PAINTERS SOLUTIONS INCSan Marcos · Painting Contractor (C-33)
OROZCO'S TILE EXPRESSChula Vista · Tile Contractor (C-54)
ORTEGA A MLakeside · General Engineering Contractor (A)Underground utility construction · Trench and conduit · Vacuum excavation
ORTEGA A M CONSTRUCTION INCLakeside · General Engineering Contractor (A) · Electrical Contractor (C-10)Underground utility construction · Trench and conduit · Vacuum excavation
ORTEGA EDDIE GLOBAL DEVELOPMENTSan Diego · General Building Contractor (B) · HVAC Contractor (C-20)
ORTEGA HEATING & AIRFallbrook · HVAC Contractor (C-20)
ORTEGA JASON MATTHEWOceanside · General Building Contractor (B)
ORTEGA LANDSCAPE SERVICEOceanside · Landscaping Contractor (C-27) · Specialty Contractor
ORTEGA'S CONSTRUCTIONEl Cajon · General Building Contractor (B)
ORTEGA'S CONSTRUCTION INCEl Cajon · General Building Contractor (B)
ORTEGA'S PLUMBING INCLemon Grove · Plumbing Contractor (C-36)
ORTEGA'S TREE SERVICEVista · Specialty Contractor
ORTIZ CONSTRUCTIONChula Vista · General Building Contractor (B)
ORTIZ CORPORATIONNational City · General Engineering Contractor (A)Public works construction · Subcontracting
ORTIZ ELECTRICSpring Valley · Electrical Contractor (C-10)
ORTIZ EXCAVATING INCBonita · General Engineering Contractor (A)
ORTIZ JESUS PAINTINGOceanside · Painting Contractor (C-33)
ORTIZ LANDSCAPESan Diego · Landscaping Contractor (C-27)
ORTIZ PLUMBING & DRAIN SOLUTIONSSan Diego · Plumbing Contractor (C-36)
ORTIZ QUALITY PAINTING SERVICESOceanside · Painting Contractor (C-33)
ORTIZ REMODELING & HOME REPAIRNational City · General Building Contractor (B)
ORTMAN DEVELOPMENTEncinitas · General Building Contractor (B)
OSADCHY DANISan Diego · Specialty Contractor
OSBORN BUILDERSSan Diego · General Building Contractor (B)
OSBORNE GENERAL CONTRACTINGLakeside · General Building Contractor (B)
OSBY R E INTERIORS / EXTERIORSEscondido · Painting Contractor (C-33)
OSCAR QUALITY PAINTVista · Painting Contractor (C-33)
OSEL CONSTRUCTION INCChula Vista · General Building Contractor (B) · Electrical Contractor (C-10)
OSIDE ELECTRICOceanside · Electrical Contractor (C-10)
OSITO CONSTRUCTION COMPANY INCSan Diego · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B)
OSO FLOORS INCSan Diego · Flooring Contractor (C-15)
OSO LANDSCAPINGSan Diego · Landscaping Contractor (C-27)
OSORIO CONSTRUCTION AND RESTORATIONBonita · General Building Contractor (B) · Drywall Contractor (C-9)
OSORIO F ERIKEscondido · General Building Contractor (B)
OSORIO'S CONSTRUCTION CLEANING SERVICES INCSan Diego · Specialty Contractor
OSPREY CONSTRUCTION INCSan Diego · General Building Contractor (B) · Electrical Contractor (C-10)
OSPREY REMODEL INCSan Diego · General Building Contractor (B)
OSSC INCSan Diego · General Building Contractor (B)
OSTAEYEN PAUL VANEscondido · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6)
OSTBERG & SON'S MASONRYEl Cajon · Masonry Contractor (C-29)
OSTROWSKI PAINTING INCSan Diego · General Building Contractor (B) · Painting Contractor (C-33)
OSUNA GENERAL CONTRACTINGSan Diego · General Building Contractor (B)
OSUNA LANDSCAPINGOceanside · Landscaping Contractor (C-27)
OSUNA LOS FLOORINGSpring Valley · Flooring Contractor (C-15)
OT ELECTRICALChula Vista · Electrical Contractor (C-10)
OT FLOORING INCSpring Valley · Flooring Contractor (C-15)
OTAY ALARMChula Vista · Low Voltage Systems Contractor (C-7)
OTERO'S CABINETS & DESIGNSan Diego · Cabinet, Millwork & Finish Carpentry (C-6)Custom cabinetry · Kitchen cabinets · Solid surface countertops
OTIS CABINETS INCORPORATEDJamul · Cabinet, Millwork & Finish Carpentry (C-6)
OTT D CONSTRUCTIONLemon Grove · General Building Contractor (B)
OUELLET POOL AND SPAVista · Swimming Pool Contractor (C-53)
OUREAN CREATIONS INCValley Center · General Building Contractor (B)
OUT WEST BUILDERS INCEscondido · General Building Contractor (B)
OUTBACK LANDSCAPE INCEl Cajon · Landscaping Contractor (C-27)
OUTCAULT BRYAN LATH & PLASTERFallbrook · Lathing & Plastering Contractor (C-35)
OUTDOOR CRAFTERS INCSan Diego · Landscaping Contractor (C-27) · Swimming Pool Contractor (C-53)
OUTDOOR DESIGNSVista · General Building Contractor (B) · Concrete Contractor (C-8) · Specialty Contractor
OUTDOOR LIGHTING PERSPECTIVES OF NORTH SAN DIEGOCarlsbad · Low Voltage Systems Contractor (C-7)
OUTDOOR LIVING LANDSCAPECarlsbad · Landscaping Contractor (C-27) · Swimming Pool Contractor (C-53)
OUTDOOR REVAMPVista · Landscaping Contractor (C-27)
OUTDOOR SPACESEncinitas · General Building Contractor (B) · Landscaping Contractor (C-27)
OUTER SPACES LANDSCAPE INCOceanside · Landscaping Contractor (C-27)
OUTPOST CONSTRUCTIONOceanside · General Building Contractor (B)
OUTSIDE MATTERSSan Diego · Landscaping Contractor (C-27)
OUTSIDE SOLUTION LANDSCAPINGFallbrook · Landscaping Contractor (C-27)Lawn Care · Landscape Maintenance · Landscape Design
OVE NAERBOFallbrook · General Engineering Contractor (A) · General Building Contractor (B) · Landscaping Contractor (C-27)
OVERFLOW DRAIN AND PLUMBING INCVista · Plumbing Contractor (C-36)
OVERHAUL CONSTRUCTION AND REPAIR INCEscondido · General Building Contractor (B)
OVERHEAD DOOR COMPANY OF SOUTHERN CALIFORNIAPoway · Specialty Contractor
OVERTHOMES INCRancho Santa Fe · General Building Contractor (B)
OVIEDO JOHN PAINTINGChula Vista · Painting Contractor (C-33)
OVROM GENERAL CONSTRUCTIONCoronado · General Building Contractor (B)
OVS DEMOLITIONChula Vista · Demolition Contractor (C-21)
OWEN BUILDERSChula Vista · General Building Contractor (B)
OWENS CONSTRUCTIONFallbrook · General Building Contractor (B)
OWENS MICHAEL RVista · General Building Contractor (B)
OZ ELECTRIC INCSan Diego · Electrical Contractor (C-10)Electrical Panel Replacement · Residential Electrical · Commercial Electrical
OZ HARDWOOD FLOORS INCSan Diego · Flooring Contractor (C-15)
OZ PAINTING MANPoway · Painting Contractor (C-33)
OZAKI KEVINCarlsbad · General Building Contractor (B)
OZZY'S PLUMBING & DRAIN SERVICE INCSan Diego · Plumbing Contractor (C-36)Plumbing Repair · Water Heater Service · Drain Cleaning

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