California Contractors logo: navy California state outline with a hammer and an orange check mark

California Contractors

  • Find a Contractor
  • Trades
  • Service Areas
  • How It Works
  • For Contractors
  • Sign In

Ontario

676 Items Found
A to Z (title) Z to A (title) Latest listings Oldest listings Popular listings Random listings

Filters

Miles
Luxedge Electric

Luxedge Electric

0.0 (0)
  • Ontario
  • (909) 268-6469
  • September 15, 2026
Electrical
Electrical
Mw Energy LLC

Mw Energy LLC

0.0 (0)
  • Ontario
  • (508) 889-0261
  • September 15, 2026
Electrical
Electrical
Superheat Refrigeration

Superheat Refrigeration

0.0 (0)
  • Ontario
  • (909) 238-6056
  • September 15, 2026
HVAC & Air Conditioning
HVAC & Air Conditioning
Nelissen Plumbing

Nelissen Plumbing

0.0 (0)
  • Ontario
  • (909) 965-1343
  • September 15, 2026
Plumbing
Plumbing
Custom Brick & Block Masonry

Custom Brick & Block Masonry

0.0 (0)
  • Ontario
  • (323) 365-1370
  • September 15, 2026
Concrete & Masonry
Concrete & Masonry
Primary Landscape INC

Primary Landscape INC

0.0 (0)
  • Ontario
  • (626) 465-5711
  • September 15, 2026
Landscaping & Lawn Care
Landscaping & Lawn Care
1 … 34 35 36 37 38 … 113
California Contractors

A statewide directory of licensed contractors, organized by trade and by city. Free for homeowners, always.

Find a Contractor

  • Search all listings
  • Browse by trade
  • Browse by county
  • How it works

For Contractors

  • Plans and pricing
  • Create a listing
  • Sign in
  • My dashboard

Company

  • About us
  • Contact
  • Terms of service
  • Privacy policy

© 2026 California Contractors. All rights reserved.

Listings are supplied by the businesses themselves. Always verify a contractor’s license status with the California State License Board before hiring.