Contra Costa County companies starting with I

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

I & J CONSTRUCTION INCPittsburg · General Building Contractor (B)
I C MASONRY SERVICES INCRichmond · Masonry Contractor (C-29)
I C R ELECTRICAL CONTRACTORSAntioch · Electrical Contractor (C-10)
I PAINT BAY AREA INCPittsburg · Painting Contractor (C-33)
I.P CONSTRUCTION INCBay Point · General Building Contractor (B)
IBARRA ISIDROSan Pablo · Flooring Contractor (C-15)
IBERIAN BUILDERS INCWalnut Creek · General Building Contractor (B)
IBRAHIM DZHUDZHOConcord · General Building Contractor (B)
IBUILD CONSTRUCTION & RENOVATIONS INCClayton · General Building Contractor (B) · Flooring Contractor (C-15) · Demolition Contractor (C-21)
IBZAN CONSTRUCTION INCAntioch · General Building Contractor (B)
ICAY INCLafayette · General Engineering Contractor (A) · Demolition Contractor (C-21)
ICON DESIGN BUILD CORPORATIONPleasant Hill · General Building Contractor (B)
IDEAL CONSTRUCTIONConcord · General Building Contractor (B) · Plumbing Contractor (C-36)
IDEAL SOLAR LIGHTING AND ELECTRICBrentwood · General Building Contractor (B) · Electrical Contractor (C-10)Solar design and installation · EV charger installation · Battery storage
IGLESIAS MANUEL CONCRETE INCOakley · Concrete Contractor (C-8)
IGT GENERAL CONTRACTOR INCOakley · General Building Contractor (B) · Painting Contractor (C-33)
IHOMESHUTTERS INCSan Ramon · Specialty ContractorCustom shutters · Blinds · Shades
IL INCSan Pablo · General Building Contractor (B) · Landscaping Contractor (C-27)
ILIE MIRCEA CONSTRUCTION INCWalnut Creek · General Building Contractor (B)
ILLICE CONCRETE INCConcord · Concrete Contractor (C-8)
ILLISH JOHNConcord · Painting Contractor (C-33)
ILLUMINATE ELECTRIC SF INCEl Sobrante · Electrical Contractor (C-10)
ILLUMINATE SOLAR COMPANYWalnut Creek · General Building Contractor (B) · Roofing Contractor (C-39) · Solar Contractor (C-46)
ILYIN JOHN KKensington · General Building Contractor (B) · Painting Contractor (C-33)
IMAGE CONSTRUCTION INCORPORATEDSan Ramon · General Building Contractor (B) · Specialty Contractor
IMAGINE CONSTRUCTIONDanville · General Building Contractor (B)
IMPACT DEMOLITION & PAVERS INSTALLATIONRichmond · Demolition Contractor (C-21) · Specialty Contractor
IMPAX CONSTRUCTION & REMODELING INCBrentwood · General Building Contractor (B)
IMPERIA ROOFING AND EXTERIORSWalnut Creek · General Building Contractor (B) · Roofing Contractor (C-39)
IMPERIAL CARPENTRYWalnut Creek · Cabinet, Millwork & Finish Carpentry (C-6)
IMPERIAL CUSTOM KITCHENAntioch · General Building Contractor (B) · Specialty Contractor
IMPERIAL PLUMBINGConcord · Plumbing Contractor (C-36)
IMPRESSIVE PLUMBINGHercules · Plumbing Contractor (C-36)
IN COMPLIANCE ENGINEERING SERVICESBethel Island · General Engineering Contractor (A) · Specialty Contractor
IN DEMAND PLUMBING HEATING & AIR INCAntioch · HVAC Contractor (C-20) · Specialty Contractor · Plumbing Contractor (C-36)
IN FOCUS LOW VOLTAGE SERVICESConcord · Low Voltage Systems Contractor (C-7)
IN'CONTEMPO BUILDERS & DESIGN INCAlamo · General Building Contractor (B)
INDEPENDENT CONSTRUCTION COMPANYConcord · General Engineering Contractor (A) · Earthwork & Paving Contractor (C-12) · Specialty ContractorGrading · Paving · Construction management
INDEPENDENT PLUMBINGConcord · Plumbing Contractor (C-36)
INDEPENDENT POWER INCCrockett · Electrical Contractor (C-10)
INDIAN ROCK LANDSCAPESRichmond · General Building Contractor (B) · Landscaping Contractor (C-27)Landscape design · Landscape construction · Stone walls and patios
INDIAN SUNNY BUILDERSConcord · General Building Contractor (B)
INDUSTRIAL BATTERY SERVICESRichmond · Electrical Contractor (C-10)
INFANTAS JUAN TILE CONTRACTORAntioch · Tile Contractor (C-54)
INFINITE CONSTRUCTIONRichmond · General Building Contractor (B)
INFINITI HARDWOOD FLOORSWalnut Creek · General Building Contractor (B) · Flooring Contractor (C-15)
INFINITY HVAC SERVICES CORPBrentwood · HVAC Contractor (C-20)
INFINITY PRO COATSWalnut Creek · Painting Contractor (C-33)
INFINIUM AIR INCConcord · HVAC Contractor (C-20)
INGENIOUS GENERAL CONSTRUCTIONWalnut Creek · General Building Contractor (B) · Concrete Contractor (C-8)
INGRAM CONSTRUCTION INCORPORATEDClayton · General Building Contractor (B)
INGRAM PAINTINGPinole · Painting Contractor (C-33)
INNOVA BUILDERS CA INCOrinda · General Building Contractor (B)
INNOVATION GLASS & WINDOWSSan Pablo · Glazing Contractor (C-17)Glass & Windows · Custom glass · Shower enclosures
INNOVATION HARDWOOD FLOOR COMPANYSan Pablo · Flooring Contractor (C-15)
INNOVATION HOME REMODELSAntioch · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6) · Tile Contractor (C-54)
INNOVATION ROOFING SYSTEMAntioch · Roofing Contractor (C-39)
INNOVATIVE ACCENTSClayton · Painting Contractor (C-33)
INNOVATIVE COMMUNICATION TECHNOLOGY INCConcord · Low Voltage Systems Contractor (C-7)Voice and data infrastructure design and · Network cabling · Desktop support
INNOVATIVE PAINTINGPittsburg · Painting Contractor (C-33)
INNOVATIVE TILEEl Cerrito · Tile Contractor (C-54)
INSITE DESIGN & BUILD INCConcord · General Building Contractor (B)
INSPIRADA GROUPDanville · General Building Contractor (B)
INSUL - TECHS INCConcord · Insulation & Acoustical Contractor (C-2) · Demolition Contractor (C-21) · Specialty Contractor
INTECHAntioch · Low Voltage Systems Contractor (C-7)
INTEGRA DESIGN BUILDEl Cerrito · General Building Contractor (B)
INTEGRAL FIRE PROTECTION INCPittsburg · Fire Protection Contractor (C-16)Fire sprinkler inspection and testing · Repair and service · Design and installation
INTEGRATED BUILDING SOLUTIONS INCSan Ramon · Electrical Contractor (C-10)Consulting
INTEGRATED CONSTRUCTION SERVICESWalnut Creek · Specialty Contractor
INTEGRATED DESIGN BUILD PROJECT SOLUTIONSWalnut Creek · General Building Contractor (B)
INTEGRATED ELECTRICAL TECHNOLOGIES LLCConcord · Electrical Contractor (C-10)
INTEGRIT CONSTRUCTION INCConcord · General Building Contractor (B)
INTEGRITY AIR CONDITIONING AND HEATINGAntioch · HVAC Contractor (C-20)
INTEGRITY FIRST CONSTRUCTIONEl Cerrito · General Building Contractor (B)
INTERACTIVE RESOURCES INCPoint Richmond · General Building Contractor (B)
INTERCEPT LLCMoraga · Cabinet, Millwork & Finish Carpentry (C-6)
INTERIORS OF CALIFORNIA INCWalnut Creek · General Building Contractor (B)
INTERLINK TILING COMPANYLafayette · General Building Contractor (B) · Tile Contractor (C-54)
INTERLOCK PAVERS INCORPORATEDWalnut Creek · Specialty Contractor
INTERLOCK PLUMBINGAntioch · Specialty Contractor · Plumbing Contractor (C-36)
INTERLOCKING PAVERS BY THE BAYRichmond · Specialty Contractor
INTERNATIONAL FIRE EQUIPMENT CO INCORPORATEDRichmond · Fire Protection Contractor (C-16)Fire extinguishers · Fire alarms · Fire sprinklers
INTREPID ELECTRONIC SYSTEMS INCCrockett · Electrical Contractor (C-10) · Fire Protection Contractor (C-16)Inspection and testing · Fire alarm and life safety · Central station monitoring
IPPOLITO RENOVATIONS INCOakley · General Building Contractor (B)
IRA CONSTRUCTIONConcord · General Building Contractor (B)
IRI LANDSCAPE INCWalnut Creek · Landscaping Contractor (C-27)
IRON HORSE CONCRETEConcord · Concrete Contractor (C-8)
IRON HORSE DOOR COMPANYClayton · Specialty Contractor
IRON HORSE WINDOWS AND GLASS SHOWERSConcord · Glazing Contractor (C-17)
IRON LEAF PROS LLCConcord · Landscaping Contractor (C-27) · Specialty Contractor
IRONCREST DEVELOPMENT GROUP LLCDanville · General Building Contractor (B)
IRONEDGE BUILDERSRichmond · General Building Contractor (B)
IRONROCK BUILDERSMartinez · General Engineering Contractor (A) · General Building Contractor (B)
IRONWOOD COMMERCIAL BUILDERS INCConcord · General Building Contractor (B) · Drywall Contractor (C-9) · Painting Contractor (C-33) · Lathing & Plastering Contractor (C-35)General contracting · Lath and plaster · Light gauge metal framing and drywall
IRONWOOD CONSTRUCTION COMPANYKensington · General Building Contractor (B)Residential construction · Commercial construction
IRRIGATION SOURCESSan Ramon · Landscaping Contractor (C-27)
IRVING GEORGE PAINTINGWalnut Creek · Painting Contractor (C-33)
IRVING PETER ELECTRIC INCAlamo · General Building Contractor (B) · Electrical Contractor (C-10)Installation · Inspection · Generator maintenance
ISAIAH'S REMODELINGRichmond · General Building Contractor (B)
ISIDRO MARTINEZ CONSTRUCTIONRichmond · General Building Contractor (B)
ISKRA ELECTRICAL SERVICES LLCEl Cerrito · Electrical Contractor (C-10)
ISLA POOLS SERVICEConcord · Specialty Contractor
ISLANDER CONCRETEPittsburg · Concrete Contractor (C-8)
ISRAA PLUMBINGAntioch · Plumbing Contractor (C-36)
ITALIAN HERITAGE TILE AND STONE INCClayton · General Building Contractor (B) · Tile Contractor (C-54)
IVS FENCES & IRON WORKSRichmond · Fencing Contractor (C-13)

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