Licensed contractors in Ontario, California

Contractors with an active California license and a business address in Ontario (San Bernardino County). Each listing shows what the state has on file.

• Timothy F Herwehe
  Reinforcing Steel (c50) · #576432
  Active No insurance on file
• Timothy S Matlack
  Electrical · #958791
  Active No insurance on file
• Tom Arriola Flooring
  Flooring · #747719
  Active No insurance on file
• Tom Foley Installations Incorporated
  Carpentry & Cabinets · #914990
  Active No insurance on file
• Tom's Concrete INC
  Concrete, Pools & Spas · #996477
  Active Insurance current
• Top of the Line Roofing
  Roofing · #810795
  Active Insurance current
• Top Rank Communications INC
  Low Voltage Systems (c7) · #934552
  Active Insurance current
• Total Interior Demolition
  Demolition · #1159184
  Active Insurance current
• Tr Constructions LLC
  General Contractors · #926469
  Active No insurance on file
• Trait Construction
  General Contractors · #1028664
  Active No insurance on file
• Tridon 2 Contractors
  General Contractors · #1129917
  Active No insurance on file
• Trinidad Electrical Contractors
  Electrical · #1150363
  Active Insurance current
• Trinity Coatings & Hwy Maintenance
  Painting · #653080
  Active No insurance on file
• Trinity Electrical
  Electrical · #1086414
  Active No insurance on file
• Trinity Framing
  General Contractors · #1030427
  Active Insurance current
• Trinity Networx LLC
  Low Voltage Systems (c7) · #1088071
  Active Insurance current
• Triple H Plastering Incorporated
  Lathing and Plastering (c35) · #517157
  Active Insurance current
• Triton Global Services INC DBA Triton Low Voltage Services
  Low Voltage Systems (c7) · #1069175
  Active Insurance current
• True Care Landscape
  Landscaping · #1160142
  Active No insurance on file
• Trust Electric
  Electrical · #1066593
  Active No insurance on file
• Turbine Repair Services LLC
  General Contractors, Electrical · #981674
  Active Insurance current
• Turnbow Electrical Services
  Electrical · #525216
  Active No insurance on file
• Tyco Wallcovering LLC
  Paperhanging (d29) · #1037016
  Active Insurance current
• Ultimate Construction
  General Contractors · #1098701
  Active Insurance current
• Ultimate Electric LLC
  Electrical · #1104900
  Active Insurance current
• Unum Construction
  General Contractors · #809385
  Active No insurance on file
• Upland Contracting INC
  Reinforcing Steel (c50) · #481317
  Active Insurance current
• Upright Communications INC
  Electrical · #1002378
  Active Insurance current
• Urgent Septic Solutions LLC
  Sanitation System (c42) · #1121506
  Active No insurance on file
• Uwing Construction INC
  General Contractors · #1143733
  Active Insurance current
• V T Electric INC
  Electrical · #763236
  Active Insurance current
• Valrose Interiors
  Windows & Glass · #782909
  Active No insurance on file
• Vanedi Home Improvement INC
  General Contractors · #1147022
  Active No insurance on file
• Varez Construction INC
  General Contractors · #1138147
  Active Insurance current
• Vargas Painting
  Painting · #1061252
  Active No insurance on file
• Vargos Plumbing & Sewer INC
  Plumbing · #1138500
  Active No insurance on file
• Veltel Infrastructure Services LLC
  General Contractors, Electrical · #1049531
  Active Insurance current
• Vertex Coatings INC
  Painting · #756237
  Active Insurance current
• Vg-Tech LLC
  Low Voltage Systems (c7) · #1022848
  Active Insurance expiring soon
• Vgc
  General Contractors · #1138625
  Active No insurance on file
• Victor Orozco Construction
  General Contractors · #982481
  Active Insurance current
• Victor Romero
  General Contractors · #911371
  Active No insurance on file
• Villa General Contracting
  General Contractors · #1114540
  Active No insurance on file
• Virtue Air Conditioning INC
  HVAC · #1053503
  Active Insurance current
• Vlp Design Build
  General Contractors · #1111387
  Active No insurance on file
• Vrv Roofing INC
  Roofing · #1103520
  Active Insurance current
• W M Construction Group INC
  General Contractors · #1104199
  Active No insurance on file
• Warren Collins and Associates INC DBA Collins Company
  Awnings (d03) · #715532
  Active Insurance current
• Water Solutions
  Plumbing · #954619
  Active No insurance on file
• Wattline Electric INC
  Electrical · #1154320
  Active No insurance on file
• Wavcomm
  General Contractors, Electrical · #724434
  Active Insurance expiring soon
• West Bay General Construction
  General Contractors · #779015
  Active No insurance on file
• West Coast Current
  Electrical · #1105587
  Active Insurance expiring soon
• West Coast Pipeline Specialist
  General Contractors, Electrical · #1129511
  Active No insurance on file
• West Coast Plumbing
  Plumbing · #853144
  Active No insurance on file
• West End Heating and Air
  HVAC · #1110549
  Active Insurance current
• West United Builder
  General Contractors · #1039373
  Active Insurance current
• Western Deck and Steel Erection DBA Western Metal Deck
  Structural Steel (c51) · #550219
  Active Insurance current
• Westfire Prefabricated Fireplace
  Prefabricated Equipment (d34) · #1148395
  Active No insurance on file
• Westside Pro Builders
  General Contractors · #1116368
  Active No insurance on file
• Wh Jewett INC
  General Contractors, Concrete · #975875
  Active No insurance on file
• Window Technique U.s.a
  Windows & Glass · #954479
  Active Insurance expiring soon
• Wirenet Communications INC
  Electrical · #865478
  Active Insurance current
• Wiskind Construction INC
  General Contractors · #1137238
  Active Insurance current
• Wka Group INC
  General Contractors, Electrical · #1134050
  Active Insurance current
• Wolf Windows and Doors
  General Contractors · #1157111
  Active No insurance on file
• Wright Wood Roofing INC
  Roofing · #1106726
  Active Insurance current
• Xact Window Tinting
  Windows & Glass · #889275
  Active Insurance expired
• Y&d General Services
  General Contractors · #1127476
  Active Insurance current
• Yacko Construction INC
  General Contractors · #1012085
  Active Insurance current
• Yicun Construction
  General Contractors · #1098350
  Active No insurance on file
• Young C Lee
  General Contractors, Windows & Glass · #867519
  Active No insurance on file
• Z1 Construction
  General Contractors · #1064551
  Active No insurance on file
• Zeven Electric
  Electrical · #856544
  Active No insurance on file
• Zhiyong Meng
  General Contractors · #1046125
  Active No insurance on file
• Zhiyuan Li Construction
  General Contractors · #1158107
  Active No insurance on file
• Zienix Property Services
  General Contractors · #1142312
  Active Insurance expiring soon
• Zsolt Simon Wood Woorks
  Carpentry & Cabinets · #906047
  Active No insurance on file

Last checked against state records on Oct 4, 2026. How we get this data.