Alameda County companies A–Z

7,242 companies, from California license records. Check any of them on the state's license lookup before you hire.

OELLRICH NEILLivermore · General Building Contractor (B)
OFF THE STREET GENERAL CONTRACTING INCHayward · General Building Contractor (B)
OG GENERAL BUILDERS INCHayward · General Building Contractor (B)
OGRESEVIC DENISDublin · General Building Contractor (B)
OJ COMMERCIAL FLOORINGLivermore · Flooring Contractor (C-15)
OK HEATING AND AIR CONDITIONING INCLivermore · HVAC Contractor (C-20) · Sheet Metal Contractor (C-43)Air Conditioning · Heating · Indoor Air Quality
OKI LANDSCAPING INCOakland · Landscaping Contractor (C-27)
OLCZAK BUILDOakland · General Building Contractor (B)
OLDER'S LANDSCAPINGPleasanton · Landscaping Contractor (C-27)
OLIVAS CONSTRUCTIONHayward · General Building Contractor (B)
OLIVE REMODELINGEmeryville · General Building Contractor (B)
OLIVER & SONFremont · General Building Contractor (B)
OLIVER & WALKER CONSTRUCTION LLCHayward · General Building Contractor (B)
OLIVER BUILDERS INCBerkeley · General Building Contractor (B)New Construction · Whole House Remodels · Elements of Design
OLIVER GARDENS LLCOakland · Landscaping Contractor (C-27)
OLIVER HEATING AND AIRSan Lorenzo · HVAC Contractor (C-20)
OLMEDO'S CONSTRUCTION INCDublin · General Building Contractor (B)
OLSEN CONSULTINGCastro Valley · General Building Contractor (B)
OLSEN PAINTINGPleasanton · Painting Contractor (C-33)
OLSON AND CO STEELSan Leandro · General Engineering Contractor (A) · General Building Contractor (B) · Steel Contractor (C-50, C-51)Fabrication / Field-erection · Engineering / Detailing · BIM Modeling
OLSON CLIFF CONSTRUCTIONCastro Valley · General Building Contractor (B)
OLSON ELECTRICAL SERVICESSan Leandro · Electrical Contractor (C-10)
OLSON JACK D DESIGN & CONSTRUCTION COCastro Valley · General Building Contractor (B) · Earthwork & Paving Contractor (C-12)
OLSON'S PAINTING COMPANYAlameda · Painting Contractor (C-33)
OLWIN LANDSCAPE DESIGN & CONSTRUCTION INCPleasanton · General Building Contractor (B) · Landscaping Contractor (C-27)
OLYMPIC HEATING AND AIROakland · HVAC Contractor (C-20)
OM HEATING & AIR CONDITIONING INCBerkeley · HVAC Contractor (C-20)
OM PLUMBING SERVICELivermore · Plumbing Contractor (C-36)
OMEGA ROOFING SOLUTIONSLivermore · Roofing Contractor (C-39)
OMEGA TERMITE AND PEST CONTROL INCOakland · General Building Contractor (B)Residential Pest Control · Commercial Pest Control · Termites
OMEGAN CONSTRUCTIONOakland · General Building Contractor (B)
OMNI MECHANICAL SOLUTIONSLivermore · General Building Contractor (B) · HVAC Contractor (C-20)
OMNISTONE MASONRY INCHayward · Masonry Contractor (C-29)
OMR CONSTRUCTION GROUP REALESTATE INVESTMENT INCSan Leandro · General Building Contractor (B)
ON POINT CONSTRUCTIONCastro Valley · General Building Contractor (B) · Painting Contractor (C-33)
ON R WAY PLUMBING LLCHayward · Plumbing Contractor (C-36)
ON SITE GENERAL ENGINEERING INCLivermore · General Engineering Contractor (A)
ON THE CLOCK ROOTER @ PLUMBINGOakland · Plumbing Contractor (C-36)
ON THE LEVEL CONSTRUCTIONAlameda · General Building Contractor (B)
ON THE SURFACE FLOORING INCHayward · Flooring Contractor (C-15) · Tile Contractor (C-54)Occupied-space tenant improvement · New construction · Broadloom carpet
ON TIME BUILDERSNewark · General Building Contractor (B) · Flooring Contractor (C-15)
ON TOP CONSTRUCTION INCLivermore · General Building Contractor (B)Commercial Construction Services · On-call Maintenance Services · Store Fixture Services
ON-SITE COMMERCIAL SERVICES INCLivermore · General Engineering Contractor (A) · General Building Contractor (B)Directional boring · Trenching · Aerial restoration
ONE - CONNECTION REMODELING AND REPAIRSOakland · General Building Contractor (B)
ONE OF THE BEST PAINTINGFremont · Painting Contractor (C-33)
ONE SCAFFOLDING INCSan Leandro · Specialty Contractor
ONE STEP PLUMBINGBerkeley · Plumbing Contractor (C-36)
ONE STOP MODERNIZATIONSan Lorenzo · General Building Contractor (B) · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10) · Plumbing Contractor (C-36)
ONE TOUCH ELECTRIC LLCAlameda · Electrical Contractor (C-10)
ONE TWO TREE CARE INCFremont · Specialty Contractor
ONE TWO TREES COMPANYOakland · Specialty ContractorTree work · Tree removal · Stump removal
ONELAWN SYNTHETIC TURFSan Lorenzo · Specialty Contractor
ONLY ONE CONSTRUCTION COHayward · General Building Contractor (B)
ONTIME GARAGE DOOR SERVICEHayward · Specialty Contractor
ONWARD PAINTINGSan Leandro · Painting Contractor (C-33)Interior painting · Exterior painting · Commercial painting
ONZONE HEATING & COOLING INCPleasanton · HVAC Contractor (C-20)
OPPENHEIMER IDO TILEBerkeley · Tile Contractor (C-54)
OPTIMAL HOME & DESIGN & CONSTRUCTIONFremont · General Building Contractor (B)
ORANGE ENGINEERING LLCFremont · General Building Contractor (B)
ORANGE GATE STUCCOHayward · Lathing & Plastering Contractor (C-35)
OREAPleasanton · General Building Contractor (B)
ORFIL CONSTRUCTIONHayward · General Building Contractor (B)
ORIENTAL LANDSCAPINGOakland · Landscaping Contractor (C-27)
ORIENTAL LANDSCAPING COHayward · Landscaping Contractor (C-27)
ORIGINAL CRAFTERS THEOakland · General Building Contractor (B)
ORION PLUMBINGSan Lorenzo · Plumbing Contractor (C-36)
ORO CONSTRUCTIONUnion City · General Building Contractor (B)
OROZCO PAINTING & DECORATINGAlameda · Painting Contractor (C-33)
OROZCOLLECTIVE CONSTRUCTION INCOakland · General Building Contractor (B)
ORR CHRISTOPHEROakland · General Building Contractor (B)
ORTEGA'S & SONS CONSTRUCTION INCHayward · General Building Contractor (B)
ORTEGA'S BAY AREA GENERAL CONSTRUCTION INCHayward · General Building Contractor (B)
ORTEGA'S CONSTRUCTIONOakland · General Building Contractor (B)
ORTH CONSTRUCTION INCLivermore · General Building Contractor (B)
ORTIZ CONSTRUCTIONHayward · General Building Contractor (B)
ORTIZ DRYWALLFremont · Drywall Contractor (C-9)
ORTIZ PLUMBING DRAIN CLEANINGLivermore · Plumbing Contractor (C-36) · Specialty Contractor
ORTIZ TILELivermore · Tile Contractor (C-54)
ORTZOW CYDNEY PAINTING INCOakland · Painting Contractor (C-33)
OSCAR CONSTRUCTION & REMODELING INCOakland · General Building Contractor (B)
OSCAR'S GLASSCastro Valley · Glazing Contractor (C-17)
OSCITOBerkeley · Landscaping Contractor (C-27)
OSMAN CONSTRUCTION INCCastro Valley · General Building Contractor (B)
OSORIO MARIOSan Leandro · Painting Contractor (C-33)
OTAI CONSTRUCTION INCOakland · General Building Contractor (B)
OTHER GUYS THE PAINTING COHayward · Painting Contractor (C-33)
OTTER CONSTRUCTIONPleasanton · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B) · Fire Protection Contractor (C-16)
OUR HANDY HELPERCastro Valley · General Building Contractor (B)
OUTDOOR ENVIRONMENTAL SERVICES INCLivermore · Landscaping Contractor (C-27)
OUYANG GENERAL ENGINEERING INCSan Leandro · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10) · Fire Protection Contractor (C-16) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
OVER THE WOODSMAN BUILDER INCOakland · General Building Contractor (B)
OWENCastro Valley · General Engineering Contractor (A) · General Building Contractor (B) · Specialty Contractor
OWEN JAMES PAINTING & DECORATINGDublin · Painting Contractor (C-33)
OWEN KREBS GRIMSICHBerkeley · HVAC Contractor (C-20)
OWOW CONSTRUCTION LLCOakland · General Building Contractor (B)
OX CONSTRUCTION INCAlameda · General Building Contractor (B)
OXILIUM SERVICES INCPleasanton · Low Voltage Systems Contractor (C-7)
OZIER NICK W DESIGN AND CONSTRUCTIONOakland · General Building Contractor (B)Home remodels · Additions · Fix-up projects
P & D ENVIRONMENTAL INCOakland · General Engineering Contractor (A) · Specialty Contractor
P & S CONSTRUCTIONBerkeley · General Building Contractor (B)
P A S INCSan Leandro · General Building Contractor (B) · Specialty Contractor · Electrical Contractor (C-10) · HVAC Contractor (C-20)
P C CONSTRUCTION COOakland · General Building Contractor (B)
P C PAINTING AND CONSTRUCTION COOakland · General Building Contractor (B) · Painting Contractor (C-33)
P D B INCOakland · Specialty Contractor
P D CONSTRUCTION AND LANDSCAPINGSan Lorenzo · General Building Contractor (B) · Concrete Contractor (C-8) · Landscaping Contractor (C-27)
P F C REMODELING INCLivermore · General Building Contractor (B)
P F P BUILDERS INCCastro Valley · General Building Contractor (B)
P H CONSTRUCTIONSan Leandro · General Building Contractor (B)
P H RENOVATIONSSan Leandro · General Building Contractor (B)
P J ELECTRIC COSan Leandro · Electrical Contractor (C-10)
P J PLUMBING INCOakland · General Engineering Contractor (A) · General Building Contractor (B) · Concrete Contractor (C-8) · Plumbing Contractor (C-36) · Specialty Contractor
P K CONSTRUCTIONAlameda · General Building Contractor (B)
P R I-PREMIERE ROOFING INCLivermore · Painting Contractor (C-33) · Roofing Contractor (C-39) · Sheet Metal Contractor (C-43)Roof replacement · Roof inspection and repair · Roof cleaning and moss removal
P S L ELECTRICOakland · Electrical Contractor (C-10)
P S PLUMBING & FIRE PROTECTIONSan Leandro · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
P Z CONSTRUCTIONHayward · General Building Contractor (B)
P&M LANDSCAPINGFremont · Landscaping Contractor (C-27)
PABLO FREDYOakland · Painting Contractor (C-33)
PABLO GENERAL CONTRACTOR DBMCOakland · General Building Contractor (B)
PAC BAY ENVIRONMENTAL SERVICES INCOakland · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B) · Demolition Contractor (C-21)
PACE CONSTRUCTIONBerkeley · General Building Contractor (B)
PACFIC STATES-TYRRELL A JOINT VENTUREDublin · General Engineering Contractor (A) · Specialty Contractor
PACHEACO CONSTRUCTIONLivermore · General Building Contractor (B)
PACHECO GLAZER INCHayward · Glazing Contractor (C-17)
PACHECO LANDSCAPE & CONSTRUCTION INCLivermore · General Engineering Contractor (A) · Landscaping Contractor (C-27) · Painting Contractor (C-33)
PACHECO LANDSCAPE MANAGEMENT INCCastro Valley · Landscaping Contractor (C-27)
PACIFIC BAY ELECTRICAlameda · Electrical Contractor (C-10)
PACIFIC BAY REMODELINGCastro Valley · General Building Contractor (B)
PACIFIC BEST BUILDERSDublin · General Building Contractor (B)
PACIFIC BREEZE MECHANICALFremont · HVAC Contractor (C-20)
PACIFIC BUILDING CONSTRUCTION INCSan Leandro · General Building Contractor (B)
PACIFIC COAST TERMITE INCFremont · Insulation & Acoustical Contractor (C-2)Termite inspection · Termite treatments · Termite repairs
PACIFIC DASPleasanton · Low Voltage Systems Contractor (C-7)ERRCS Systems · Cellular DAS · DAS Consulting
PACIFIC DESIGN LLCFremont · General Building Contractor (B)
PACIFIC ESTATE CONSTRUCTION GROUP INCOakland · General Building Contractor (B)
PACIFIC FENCEHayward · Fencing Contractor (C-13)
PACIFIC INFRASTRUCTUREPleasanton · General Engineering Contractor (A) · General Building Contractor (B) · Specialty ContractorHeavy civil water resource construction · Engineering solutions · Project management
PACIFIC OCEAN MARBLE COUNTER TOPS & TILE COHayward · Tile Contractor (C-54)
PACIFIC OVERLAND CONSTRUCTION COMPANYLivermore · General Building Contractor (B)
PACIFIC PAINTINGDublin · Painting Contractor (C-33)
PACIFIC PLUMBING & UNDERGROUND CONSTRUCTIONFremont · General Engineering Contractor (A) · General Building Contractor (B) · Plumbing Contractor (C-36)Plumbing · General engineering · Municipal
PACIFIC PLUMBING SYSTEMS INCSan Leandro · Plumbing Contractor (C-36) · Specialty ContractorTenant improvement · Restrooms and ADA upgrades · Water and drain lines
PACIFIC PREMIER LANDSCAPE INCCastro Valley · Landscaping Contractor (C-27)
PACIFIC RAPID BUILDERS & DESIGNAlameda · General Building Contractor (B)
PACIFIC RIM PLUMBING INCLivermore · Plumbing Contractor (C-36)Plumbing installation · Apartments · Townhomes
PACIFIC SCAFFOLD CO INCOakland · Specialty ContractorFrame scaffolding · Modular scaffolding · Stair towers
PACIFIC SCREEN & SHADE INCOakland · Specialty Contractor
PACIFIC SIGNALING SYSTEMSLivermore · Electrical Contractor (C-10) · Fire Protection Contractor (C-16)Fire Alarm Systems · Security Alerts · System Integration
PACIFIC SOLAR ENERGYPleasanton · Electrical Contractor (C-10) · Solar Contractor (C-46)
PACIFIC STAR CONSTRUCTIONOakland · General Building Contractor (B) · Painting Contractor (C-33)
PACIFIC STATES - IO ENVIRINMENTAL A JOINT VENTUREDublin · General Engineering Contractor (A) · Demolition Contractor (C-21) · Landscaping Contractor (C-27) · Specialty Contractor
PACIFIC STATES - SUKUT A JOINT VENTUREDublin · General Engineering Contractor (A) · Demolition Contractor (C-21) · Specialty Contractor
PACIFIC STATES ENVIRONMENTAL CONTRACTORS INCDublin · General Engineering Contractor (A) · Specialty Contractor · Demolition Contractor (C-21)Earthwork · Environmental Remediation · Wetlands Restoration
PACIFIC STATES INSULATION & ACOUSTICAL CONTRACTING INCOakland · Insulation & Acoustical Contractor (C-2)Commercial Insulation · Residential Insulation · Acoustical Insulation
PACIFIC TEMPO ELECTRICAlameda · Electrical Contractor (C-10)
PACIFIC TRENCHLESS INCOakland · General Engineering Contractor (A)
PACIFIC WELDING & MACHINEHayward · Specialty Contractor
PACIFICA CONSTRUCTIONOakland · General Building Contractor (B)
PACKAGE UNIT PROSHayward · General Building Contractor (B) · HVAC Contractor (C-20)Package Units · Split Systems · Evaporative Coolers
PACKET FUSION INCPleasanton · Low Voltage Systems Contractor (C-7)CloudConnect · IT Advising · UCaaS Migration
PACO PLUMBING & ROOTERHayward · Plumbing Contractor (C-36)
PADAM BUILDERS INCHayward · General Building Contractor (B)
PADILLA CUSTOM HOMES INCHayward · General Building Contractor (B)
PADILLA MASONRY INCLivermore · Masonry Contractor (C-29)
PADILLA VICTOR H ROOTER & PLUMBINGHayward · Plumbing Contractor (C-36)
PADRON CONSTRUCTIONSan Lorenzo · General Building Contractor (B)
PAGANO PACIFIC CONSTRUCTIONSan Leandro · General Engineering Contractor (A) · General Building Contractor (B)
PAGONES DENNIS GAlameda · General Building Contractor (B)
PAINT PLUS INCOakland · Painting Contractor (C-33)
PAINTERNET INCOakland · Painting Contractor (C-33)
PAINTING BY ASHBE CORPAlameda · Painting Contractor (C-33)
PAINTING QUALITY EXPERTHayward · Painting Contractor (C-33)
PAINTING THE BAYBerkeley · Painting Contractor (C-33)
PAK SUNG TAEDublin · General Building Contractor (B)
PALACE CONSTRUCTION GROUPNewark · General Building Contractor (B) · Painting Contractor (C-33)
PALACE TILES INCCastro Valley · Tile Contractor (C-54)
PALACIOS BROTHER CONSTRUCTIONOakland · General Building Contractor (B)
PALADIN HOMEAlameda · General Building Contractor (B)
PALENCIA ELECTRICOakland · Electrical Contractor (C-10)
PALENCIA ELECTRIC INCOakland · Electrical Contractor (C-10)
PALETTA EUGENE BUILDERSOakland · General Building Contractor (B)
PALM CONSTRUCTIONSan Lorenzo · General Building Contractor (B) · Masonry Contractor (C-29) · Painting Contractor (C-33)Crane operation · Excavation · Pile driving
PALTER CONSTRUCTION AND RESTORATION INCDublin · General Building Contractor (B)
PALUMBO CONSTRUCTION LLCFremont · General Building Contractor (B)
PAMPA TECHNOLOGIES LLCFremont · Low Voltage Systems Contractor (C-7) · Specialty Contractor
PANCOAST CONSTRUCTION INCBerkeley · General Building Contractor (B)Presents itself as a general contractor.
PANDA CARPET AND FLOORING INCHayward · Flooring Contractor (C-15)
PANDORA ADS CORPFremont · Specialty Contractor
PANG YUJIANGFremont · General Building Contractor (B)
PANGEA ENVIRONMENTAL SERVICES INCBerkeley · General Engineering Contractor (A) · Specialty Contractor
PANGS CONSTRUCTION INCUnion City · General Building Contractor (B)
PARADISE DOOR AND SERVICELivermore · Specialty ContractorPre-construction consulting and procurem · Installation and project management · 24-hour service
PARADISE POOL SERVICEFremont · Specialty Contractor
PARAGON ELECTRICCastro Valley · General Building Contractor (B) · Electrical Contractor (C-10)
PARAMOUNT ELEVATOR CORPORATIONOakland · Specialty ContractorElevator maintenance · Elevator repairs · Elevator modernization
PARAMOUNT GLASS LLCLivermore · Glazing Contractor (C-17)Glass replacement · Large-scale glass project management
PARAMOUNT POOL PLASTERHayward · Lathing & Plastering Contractor (C-35) · Swimming Pool Contractor (C-53)
PARATORE & ASSOCIATESOakland · General Building Contractor (B)
PARK TAEINSan Leandro · Specialty Contractor
PARKER SECURITY + LOCKSMITH SERVICEFremont · Specialty Contractor

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