- ROOFS BY DOUGApple Valley · Roofing Contractor (C-39)
- ROOFWORKSYucca Valley · Roofing Contractor (C-39)
- ROOMS COVERS N SOLARAlta Loma · Electrical Contractor (C-10) · Specialty Contractor
- ROOTED CONSTRUCTIONMontclair · General Building Contractor (B)
- ROOTER 66 PLUMBING SEWER AND DRAIN CLEANINGHesperia · Plumbing Contractor (C-36)
- ROOTER TECH PLUMBING AND DRAINSChino Hills · Plumbing Contractor (C-36)
- ROPER MIKE CONSTRUCTIONChino Hills · General Building Contractor (B)
- ROQMAC CONSTRUCTION INCFontana · General Building Contractor (B)
- ROSAASEN ED PAINTING & WALLCOVERINGRedlands · General Building Contractor (B) · Painting Contractor (C-33)
- ROSAS CONSTRUCTIONCrestline · General Building Contractor (B)
- ROSAS GENERAL CONSTRUCTION INCSan Bernardino · General Building Contractor (B)
- ROSAS PAINTING & COATINGS INCUpland · Painting Contractor (C-33)
- ROSAS' LUXURY POOLSHesperia · Swimming Pool Contractor (C-53)
- ROSATI S I AIR CONDITIONINGAlta Loma · HVAC Contractor (C-20)
- ROSE ALLEN DEANApple Valley · Flooring Contractor (C-15)
- ROSE D MICHAELVictorville · Flooring Contractor (C-15)
- ROSE FLOORINGApple Valley · Flooring Contractor (C-15)
- ROSE GARDEN LANDSCAPING INCOntario · Landscaping Contractor (C-27)
- ROSE MIKE MASONRYCrestline · Masonry Contractor (C-29)
- ROSINE LAWRENCE W CORancho Cucamonga · Flooring Contractor (C-15)
- ROSS CONSTRUCTIONBarstow · General Building Contractor (B)
- ROSS CONSTRUCTIONUpland · General Building Contractor (B)
- ROSS RANDY R CONSTRUCTION INCVictorville · General Building Contractor (B)
- ROSSCRETE ROOFING INCRialto · General Building Contractor (B) · Roofing Contractor (C-39)
- ROSSI RICHARD ROOFINGVictorville · Roofing Contractor (C-39)
- ROSWELL COMMUNICATIONSChino · Electrical Contractor (C-10)
- ROTO-ROOTER PLUMBERS AND SEPTIC SERVICEApple Valley · General Engineering Contractor (A) · Plumbing Contractor (C-36) · Specialty Contractor
- ROUGH FRAMING INCFontana · General Building Contractor (B)
- ROULE CONSTRUCTION INCORPORATEDRancho Cucamonga · General Building Contractor (B) · Electrical Contractor (C-10)
- ROUTE 66 CONCRETE PUMP INCColton · Specialty Contractor
- ROUTE 66 TILE INSTALLATION INCOak Hills · Flooring Contractor (C-15) · Tile Contractor (C-54)
- ROVAC BUILDEROntario · General Building Contractor (B)
- ROWAN BUILT LLCVictorville · Solar Contractor (C-46)Solar · Battery Storage · Roofing
- ROY'S PAINTINGRunning Springs · Painting Contractor (C-33)
- ROYAL DRYWALL COMPANY INCGrand Terrace · Drywall Contractor (C-9)
- ROYAL INTERIOR WALL SYSTEMSSan Bernardino · Drywall Contractor (C-9)
- ROYAL PAINTING AND FINISHES29 Palms · Painting Contractor (C-33)
- ROYAL PLUMBING SERVICESRialto · Plumbing Contractor (C-36)
- ROYAL QUALITY SERVICE WATER,FIRE,MOLD REMEDIATIONSan Bernardino · Specialty Contractor
- ROYAL ROOF COUpland · Roofing Contractor (C-39)
- ROYALTY CONCRETE LLCSan Bernardino · Concrete Contractor (C-8)
- ROYALTY ELECTRIC INCSan Bernardino · Electrical Contractor (C-10)Residential electrical · Commercial electrical · Industrial electrical
- ROYALTY FINISH CORPApple Valley · Cabinet, Millwork & Finish Carpentry (C-6) · Roofing Contractor (C-39)
- ROYALTY GUTTERS LLCHesperia · Sheet Metal Contractor (C-43)
- ROYALTY PLASTERING CORPRialto · Lathing & Plastering Contractor (C-35)
- ROYALTY PLUMBING INCOntario · Plumbing Contractor (C-36)
- ROYBAL GENERAL CONSTRUCTION INCRancho Cucamonga · General Building Contractor (B) · Concrete Contractor (C-8)
- ROYCE ELECTRICBig Bear City · Electrical Contractor (C-10)
- RP FRAMING AND BUILDERSFontana · General Building Contractor (B)
- RR ROOFINGRancho Cucamonga · Roofing Contractor (C-39)
- RRC CONSTRUCTION SOLUTION INCSan Bernardino · General Building Contractor (B)
- RS BUILDERS INCUpland · General Building Contractor (B)
- RS ELECTRIC SOLUTIONS LLCHesperia · Electrical Contractor (C-10)
- RSIGNS CORPApple Valley · Specialty Contractor
- RTISTIC TILEYucca Valley · Tile Contractor (C-54)
- RUACHO ELECTRIC INCFontana · Electrical Contractor (C-10)
- RUBEN GARCIA PLUMBINGMontclair · Plumbing Contractor (C-36)
- RUBEN MARTINEZ CONSTRUCTIONTwin Peaks · General Building Contractor (B) · Electrical Contractor (C-10)
- RUBEN'S PLUMBINGCrestline · Plumbing Contractor (C-36)
- RUBIO'S TREE SERVICEApple Valley · Specialty Contractor
- RUDY'S CUSTOM CABINETS INCSan Bernardino · Cabinet, Millwork & Finish Carpentry (C-6)
- RUEHLE MICHAEL SCedar Glen · General Building Contractor (B)
- RUFINO ELECTRICAdelanto · Electrical Contractor (C-10)
- RUGGS CONSTRUCTIONUpland · General Building Contractor (B) · Electrical Contractor (C-10) · Solar Contractor (C-46)
- RUIHAOSEN BUILDERS INCRancho Cucamonga · General Building Contractor (B)
- RUSH CONSTRUCTION INCYucca Valley · General Building Contractor (B)
- RUSH ELECTRIC COMPANYYucaipa · Electrical Contractor (C-10)
- RUSH PLUMBING AND ROOTERAdelanto · Plumbing Contractor (C-36)
- RUSH PLUMBING HEATING AND AIRYucaipa · Specialty Contractor · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
- RUSS ELECTRIC INCRancho Cucamonga · Electrical Contractor (C-10)
- RUSSELL J L CONSTRUCTION - RESTORATION CORancho Cucamonga · General Engineering Contractor (A) · General Building Contractor (B)
- RUSSELL'S HEATING & AIR CONDITIONINGYucaipa · HVAC Contractor (C-20)Air Conditioning Repair · Furnace Replacement · Ductless Mini-Split
- RUSTIC FENCE COMentone · Fencing Contractor (C-13)
- RUSTON AARONLake Arrowhead · Electrical Contractor (C-10)
- RUVICO INCOntario · Plumbing Contractor (C-36)
- RVR GENERAL CONSTRUCTION INCFontana · General Building Contractor (B) · Drywall Contractor (C-9)
- RW PAINTING INCYucca Valley · Painting Contractor (C-33)
- RWB ROOFING INCSan Bernardino · Roofing Contractor (C-39)
- RYAN ELECTRIC INCOntario · Electrical Contractor (C-10)
- RYAN ELECTRIC SERVICEYucaipa · Electrical Contractor (C-10)
- RYAN FIRE PROTECTIONAlta Loma · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
- RYAN'S CUSTOM FLOORINGApple Valley · General Building Contractor (B) · Flooring Contractor (C-15) · Tile Contractor (C-54)
- RYAN'S PLUMBINGApple Valley · Plumbing Contractor (C-36)
- RYLETT R L CONSTRUCTIONRedlands · General Building Contractor (B)
- RYMAX ELECTRICUpland · Electrical Contractor (C-10)
- RYMAX ELECTRIC INCUpland · Electrical Contractor (C-10)
- RYMER CONSTRUCTIONYucaipa · General Building Contractor (B)
- RYNOCLAD TECHNOLOGIES INCOntario · Glazing Contractor (C-17)Storefront systems · Curtain wall · Window wall
- S / C KOEDEL CONSTRUCTIONYucca Valley · General Building Contractor (B)
- S & A CONSTRUCTION CLEANING INCRancho Cucamonga · Specialty Contractor
- S & D BROTHERS STEEL INCHesperia · General Building Contractor (B) · Steel Contractor (C-50, C-51)
- S & D CONSTRUCTION GROUP INCRancho Cucamonga · General Building Contractor (B) · Drywall Contractor (C-9)
- S & H CABINETS AND MANUFACTURING INCFontana · Cabinet, Millwork & Finish Carpentry (C-6)
- S & H CIVILWORKSColton · General Engineering Contractor (A)Construction · Engineering
- S & R HOME SERVICESRancho Cucamonga · General Building Contractor (B) · Tile Contractor (C-54)
- S & R WELDING INCFontana · Steel Contractor (C-50, C-51) · Specialty Contractor
- S & S CONSTRUCTIONPhelan · General Building Contractor (B)
- S & S STEEL REINFORCING INCAlta Loma · Steel Contractor (C-50, C-51)
- S & S TILEYucca Valley · Tile Contractor (C-54)
- S & SONS ELECTRICAL CONTRACTORS CORPORATIONHesperia · General Building Contractor (B) · Electrical Contractor (C-10)
- S A GENERAL CONSTRUCTIONHesperia · General Building Contractor (B)
- S A GENERAL CONTRACTING AND REMODELApple Valley · General Building Contractor (B)
- S A PLUMBING & REPAIRApple Valley · Plumbing Contractor (C-36)
- S A W CONSTRUCTIONHesperia · General Building Contractor (B)
- S AND S ELECTRICPhelan · Electrical Contractor (C-10)
- S B C POOLVictorville · General Building Contractor (B) · Swimming Pool Contractor (C-53)
- S B CONCRETE INCMentone · Concrete Contractor (C-8)
- S B SERVICESHesperia · Electrical Contractor (C-10)
- S C BACKHOE SERVICES INCYucca Valley · General Engineering Contractor (A)
- S C CONSTRUCTIONRancho Cucamonga · General Building Contractor (B)
- S C FIRE SUPPRESSION INCFontana · Fire Protection Contractor (C-16)
- S C M CONSTRUCTION INCOntario · General Building Contractor (B)
- S C P CONCRETE CONSTRUCTION INCChino · Concrete Contractor (C-8)
- S C PAINTINGRancho Cucamonga · Painting Contractor (C-33)
- S D ELECTRICYucca Valley · Electrical Contractor (C-10)
- S D G CONSTRUCTION AND DEVELOPMENTUpland · General Building Contractor (B) · Electrical Contractor (C-10)
- S D J SERVICES INCRialto · Fencing Contractor (C-13) · Specialty Contractor
- S E B TILEApple Valley · Tile Contractor (C-54)
- S E C INCORPORATEDRancho Cucamonga · Roofing Contractor (C-39)
- S E ELECTRICRancho Cucamonga · Electrical Contractor (C-10)
- S F GARAGE DOOR EXPERTS INCHesperia · Specialty Contractor
- S G CONSTRUCTION & PLUMBINGHesperia · General Building Contractor (B) · Plumbing Contractor (C-36)
- S G MANUFACTURING ORNAMENTAL METALHesperia · Specialty Contractor
- S H R GENERAL CONSTRUCTIONLake Arrowhead · General Building Contractor (B)
- S J CONSTRUCTIONChino Hills · General Building Contractor (B)
- S J LYONS CONSTRUCTION INCRancho Cucamonga · General Building Contractor (B)
- S K C CONSTRUCTIONRancho Cucamonga · General Building Contractor (B)
- S K L CONSTRUCTIONRancho Cucamonga · General Building Contractor (B)
- S K S ACCESS CONTROL SOLUTIONSRancho Cucamonga · Electrical Contractor (C-10) · Specialty Contractor
- S L PAINTINGYucca Valley · Painting Contractor (C-33)
- S L R CONSTRUCTIONRancho Cucamonga · General Building Contractor (B)
- S M CONSTRUCTIONAlta Loma · General Building Contractor (B)
- S M P TILE WORKSRancho Cucamonga · Tile Contractor (C-54)
- S MCGUIRE PLUMBING INCYucca Valley · Plumbing Contractor (C-36)
- S N D GENERAL CONTRACTOR INCAdelanto · General Building Contractor (B) · Drywall Contractor (C-9) · Painting Contractor (C-33)
- S O ELECTRICTwin Peaks · Electrical Contractor (C-10)
- S O S GARAGE DOOR SERVICEChino · Specialty ContractorGarage Door Repairs · Torsion Springs · Garage Door Rollers
- S P C ELECTRIC COMPANY INCSan Bernardino · Electrical Contractor (C-10)
- S R A DEVELOPMENT COMPANYChino · General Building Contractor (B)
- S R BUILDING INC29 Palms · General Building Contractor (B)
- S S & STEEL INCRancho Cucamonga · Sheet Metal Contractor (C-43) · Steel Contractor (C-50, C-51)
- S S BRADFORD CONSTRUCTION INCTwin Peaks · General Building Contractor (B)
- S S ELECTRIC & REFRIGERATIONRancho Cucamonga · Electrical Contractor (C-10) · HVAC Contractor (C-20)
- S S HOME PROJECTSBig Bear Lake · General Building Contractor (B)
- S S S FENCEFontana · Fencing Contractor (C-13)
- S T L FABRICATION INCFontana · Specialty Contractor · HVAC Contractor (C-20) · Plumbing Contractor (C-36) · Sheet Metal Contractor (C-43) · Steel Contractor (C-50, C-51)Has a website
- S W ROBERTS CONSTRUCTIONApple Valley · General Building Contractor (B)
- S4 ENGINEERING INCVictorville · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10)
- SA GOLDEN INVESTMENTS INCFontana · General Engineering Contractor (A) · General Building Contractor (B)
- SABERTOOTH PLUMBING AND ROOTER COSan Bernardino · Plumbing Contractor (C-36)
- SABIO CONSTRUCTIONSan Bernardino · General Building Contractor (B)
- SADDLE AND SPUR HANDYMANChino · General Building Contractor (B)
- SADERUP CONSTRUCTION SERVICESBig Bear Lake · General Building Contractor (B)
- SAENZ CHRISTIANHesperia · Tile Contractor (C-54)
- SAENZ RICHARD JOEOntario · General Building Contractor (B)
- SAFE FIRST ELECTRIC INCSan Bernardino · Electrical Contractor (C-10)
- SAFE HOME GARAGE DOORSHesperia · Specialty ContractorGarage Door Sales · Garage Door Repairs · Garage Door Installation
- SAFE MOVING SERVICES INCApple Valley · Specialty Contractor
- SAFE USA INCOntario · Earthwork & Paving Contractor (C-12)
- SAFEWAY SIGN COMPANYAdelanto · General Engineering Contractor (A) · Specialty ContractorTraffic Signs · Commercial & Wayfinding Products · Custom Fabrication
- SAFFORD PLUMBINGOntario · Plumbing Contractor (C-36)
- SAGE BRUSH HOLDINGSYucca Valley · Plumbing Contractor (C-36)
- SAGE CONSTRUCTORSApple Valley · General Engineering Contractor (A)
- SAGE UNRIVALED DOOR'SFontana · Specialty Contractor
- SAGERS CONSTRUCTION INCAlta Loma · General Building Contractor (B)
- SAHUARO INSULATION SERVICESFontana · Insulation & Acoustical Contractor (C-2)
- SAJ BUILDERS CONSTRUCTIONHesperia · General Building Contractor (B)
- SAKUL J ELECTRICAL COMPANYYucaipa · Electrical Contractor (C-10)
- SAL ELECTRICALFontana · Electrical Contractor (C-10)
- SALAJEAN CONSTRUCTION & SERVICE CORedlands · General Building Contractor (B)
- SALAS ELECTRIC COOntario · Electrical Contractor (C-10)
- SALAS PAINTINGOntario · Painting Contractor (C-33)
- SALAS POOL CONSTRUCTIONFontana · Swimming Pool Contractor (C-53)
- SALAS ROBERTOSan Bernardino · Electrical Contractor (C-10)
- SALAZAR CUSTOM CONSTRUCTIONSan Bernardino · General Building Contractor (B)
- SALAZAR ELECTRIC LLCOntario · Electrical Contractor (C-10)
- SALAZAR JUAN PAINTINGFontana · Painting Contractor (C-33)
- SALAZAR SEPTIC SERVICESHighland · Specialty Contractor
- SALCEDO ARMANDOAlta Loma · HVAC Contractor (C-20)
- SALCIDO MAC DONALD JRRancho Cucamonga · General Building Contractor (B)
- SALDANA CONSTRUCTIONYucaipa · General Engineering Contractor (A) · General Building Contractor (B)
- SALEM BUILDERSChino Hills · General Building Contractor (B)
- SALINAS SOLARRedlands · Electrical Contractor (C-10) · Solar Contractor (C-46)
- SALINE NEPHISan Bernardino · HVAC Contractor (C-20)
- SALKELD DEREK PLUMBINGHesperia · Plumbing Contractor (C-36)
- SALMON PAINTING AND WALLPAPER HANGINGChino · Painting Contractor (C-33)
- SALVADOR'S TREE SERVICE INCBloomington · Specialty Contractor
- SAMARO FRANK A IIIRedlands · Painting Contractor (C-33)
- SAMES SCOTT ALLANRedlands · General Building Contractor (B)
- SAMNOA ELECTRIC LLCMontclair · Electrical Contractor (C-10)
- SAMPLE TILE AND STONE INCLoma Linda · Tile Contractor (C-54)Ceramic Tiling · Stone Tiling · Terrazzo Tile Flooring
- SAMUEL RANDAZZO GENERAL ENGINEERING & CONCRETE CONSTRUCTIONBig Bear City · General Engineering Contractor (A) · Concrete Contractor (C-8)
- SAN BERNARDINO POOL SUPPLYSan Bernardino · Swimming Pool Contractor (C-53)
- SAN GABRIEL VALLEY CABINET COMPANY INCAlta Loma · Cabinet, Millwork & Finish Carpentry (C-6)
- SAN LUIS CONCRETE CORPSan Bernardino · General Engineering Contractor (A) · General Building Contractor (B) · Concrete Contractor (C-8)
- SAN LUIS CONSTRUCTION INCSan Bernardino · Concrete Contractor (C-8)
- SANBORN D M PIPELINE CONTRACTORSRedlands · Specialty Contractor
- SANBORN'S AIR CONDITIONING & HEATINGRedlands · General Building Contractor (B) · Electrical Contractor (C-10) · HVAC Contractor (C-20)AC Repair · AC Installation · Heater Repair
- SANCHEZ ALBERT CONSTRUCTIONSan Bernardino · General Building Contractor (B)
- SANCHEZ CONSTRUCTIONChino · General Building Contractor (B)
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