Licensed Contractors in Ontario, California

All license data is sourced from the California Contractors State License Board (CSLB). Local dataset stamp: N/A. Verify current status before hiring.

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Building & structure Electrical & low voltage Limited specialties Painting & finishes HVAC & mechanical Plumbing & water Roofing & exterior Earthwork & concrete Landscaping & outdoor Welding & fabrication Fire & safety Solar & energy
Mw Energy Llc Active
License #1146182 C-10 Ontario, CA Licensed since 2025
Practicore Solutions Inc Active
License #1146273 A Ontario, CA Licensed since 2025
Fastech Critical Power Active
License #1146293 C-10 Ontario, CA Licensed since 2025
The Paving Pros Active
License #1146478 C-12 Ontario, CA Licensed since 2025
Drf Rebar Active
License #1146594 C-50 Ontario, CA Licensed since 2025
Construx West Inc Active
License #1146772 B Ontario, CA Licensed since 2025
Vanedi Home Improvement Inc Active
License #1147022 B Ontario, CA Licensed since 2025
Strong Base Concrete Construction Active
License #1147044 C-8 Ontario, CA Licensed since 2025
Silver Line Framing Active
License #1147108 C-5 Ontario, CA Licensed since 2025
Michael Woodfloor Inc Active
License #1147166 C-15 Ontario, CA Licensed since 2025
Nexera Concrete Active
License #1147247 C-8 Ontario, CA Licensed since 2025
Superheat Refrigeration Active
License #1147315 C-38 Ontario, CA Licensed since 2025
Emergency Gate Services Llc Active
License #1147615 D28 Ontario, CA Licensed since 2025
Mendez Cabinets Active
License #1147647 C-6 Ontario, CA Licensed since 2025
Mana Concrete Active
License #1147704 C-8 Ontario, CA Licensed since 2025
Ie Roof Experts Active
License #1147770 C-39 Ontario, CA Licensed since 2025
J&N Maintenance Services Active
License #1147841 B Ontario, CA Licensed since 2025
Guenther Woodworks And Stairs Active
License #1148354 C-6 Ontario, CA Licensed since 2025
Westfire Prefabricated Fireplace Active
License #1148395 D34 Ontario, CA Licensed since 2025
Solid Drywall Works Inc Active
License #1148610 C-9 Ontario, CA Licensed since 2026
Hiyawill Construction Inc Active
License #1148677 B Ontario, CA Licensed since 2026
Cadre Construction Llc Active
License #1148827 B Ontario, CA Licensed since 2026
Alc Roofing Active
License #1148910 C-39 Ontario, CA Licensed since 2026
Tapia Roofing Active
License #1149023 C-39 Ontario, CA Licensed since 2026
Amins Construction Inc Active
License #1149094 B Ontario, CA Licensed since 2026
H Septic Active
License #1149300 C-42 Ontario, CA Licensed since 2026
Fire Solution Masters Corp Active
License #1149321 C-16 Ontario, CA Licensed since 2026
Castle Construction And Development Inc Active
License #1149616 B Ontario, CA Licensed since 2026
Koguma Sweet Home Active
License #1150188 B Ontario, CA Licensed since 2026
Trinidad Electrical Contractors Active
License #1150363 C-10 Ontario, CA Licensed since 2026
Pam Pan Xu Active
License #1150481 B Ontario, CA Licensed since 2026
Effina Active
License #1150901 C-20 Ontario, CA Licensed since 2026
A2Z Builders Group Inc Active
License #1150914 B Ontario, CA Licensed since 2026
Mve Electric Inc Active
License #1151112 C-10 Ontario, CA Licensed since 2026
Right Call Services Inc Active
License #1151470 B Ontario, CA Licensed since 2026
Showtime Family Plumbing & Rooter Inc Active
License #1151703 C-36 Ontario, CA Licensed since 2026
All Tech Commercial Pool Service & Repair Active
License #1152862 D35 Ontario, CA Licensed since 2026
Di Shao Construction Active
License #1153127 B Ontario, CA Licensed since 2026
Ag Building And Remodeling Inc Active
License #1153779 B Ontario, CA Licensed since 2026
Lionel Rodirguez Active
License #1153852 B, C-27 Ontario, CA Licensed since 2026
Splash Painting California Llc Active
License #1154081 C-33 Ontario, CA Licensed since 2026
Ls Rack Inc Active
License #1154280 D21, D34 Ontario, CA Licensed since 2026
Navarro Painting Active
License #1154283 C-33 Ontario, CA Licensed since 2026
Wattline Electric Inc Active
License #1154320 C-10 Ontario, CA Licensed since 2026
Prominent Contracting Floor Covering Active
License #1154411 C-15 Ontario, CA Licensed since 2026
Jl Professional Tree Service Corp Active
License #1154444 C-49 Ontario, CA Licensed since 2026
Delta Energy Electrical Solution Active
License #1154808 C-10 Ontario, CA Licensed since 2026
Superior Post Tension Repairs Active
License #1154875 C-50 Ontario, CA Licensed since 2026
Luxedge Electric Active
License #1155010 C-10 Ontario, CA Licensed since 2026
Impact Welding Active
License #1155143 C-60 Ontario, CA Licensed since 2026

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Licensing Resources

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