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.
- Lvl Up Plumbing INC
Active No insurance on file
- Lyden Electric
Active Insurance current
- Lytle Landscape Construction
Active No insurance on file
- M & R Construction Services INC
Active Insurance current
- M a C Metal Systems Services
Active Insurance current
- M J Directional INC
Active Insurance current
- M J Pacific INC
Active Insurance current
- Macias Gardening and Design
Active No insurance on file
- Magnison and Moen INC
Active Insurance current
- Maldonado Industries
Active Insurance current
- Mana Concrete
Active Insurance expiring soon
- Maple Tree Service
Active Insurance current
- Marco a Yanez
Active No insurance on file
- Marcos Air Conditioning
Active Insurance current
- Mardona Shenouda Construction Builder
Active No insurance on file
- Mark Alan Gilbertson
Active No insurance on file
- Mark Ligtenberg
Active No insurance on file
- Marlu Construction
Active Insurance current
- Marquez Iron INC
Active Insurance current
- Martin Cervantes
Active Insurance current
- Martin Robles Garcia
Active Insurance current
- Martinez Steel Corporation
Active Insurance current
- Martinez Steel LLC
Active Insurance current
- Masonry Arena
Active No insurance on file
- Master Building Specialties INC
Active Insurance current
- Master Chill Heating and Air
Active Insurance current
- Matlock Design Build INC
Active Insurance expired
- Mc Ginnis Custom Plastics
Active Insurance current
- Mcintyre Metal Decking
Active Insurance current
- Mcq Construction INC
Active Insurance current
- Mechanical Control
Active Insurance current
- Mega Construction LLC
Active Insurance current
- Mehdi Jaber
Active Insurance current
- Melendez Tree Service
Active Insurance current
- Mendez Cabinets
Active No insurance on file
- Mendoza Home Remodeling
Active No insurance on file
- Metal Engineering & Mfg
Active No insurance on file
- Method Design Build
Active No insurance on file
- Metro Rf Services INC
Active Insurance current
- Michael Anthony Painting
Active No insurance on file
- Michael Craig Jones
Active No insurance on file
- Michael Electric
Active No insurance on file
- Michael Woodfloor INC
Active No insurance on file
- Midas Roofing INC
Active Insurance current
- Mike Walsh DBA a-C Power Systems
Active Insurance current
- Minghui Li
Active No insurance on file
- Ml Electric
Active No insurance on file
- Modern Metal
Active No insurance on file
- Modesto Gudino DBA Best Landscaping
Active Insurance current
- Moe's Concrete
Active Insurance expired
- Moonlite Construction
Active Insurance current
- Moore United Construction INC
Active Insurance current
- Mora-Data & Telecom Services
Active No insurance on file
- Moreno's Construction INC
Active No insurance on file
- Mr Electric of Ontario
Active Insurance current
- Murguia Construction
Active No insurance on file
- Murguia Construction INC
Active Insurance current
- Mustang Construction
Active No insurance on file
- Mve Electric INC
Active No insurance on file
- Mw Energy LLC
Active Insurance current
- Myco Construction
Active No insurance on file
- Myers Power Products INC
Active Insurance current
- Nava Drywall
Active No insurance on file
- Navarro Painting
Active No insurance on file
- Navona Placemaking
Active Insurance current
- Neff Construction INC
Active Insurance current
- Nelissen Plumbing
Active No insurance on file
- New Alliance Framing
Active No insurance on file
- New Constructon
Active No insurance on file
- New Life Painting
Active No insurance on file
- New Look Mandos Painting INC
Active No insurance on file
- New View Auto Glass INC
Active Insurance expiring soon
- Nexera Concrete
Active Insurance current
- Next Generation Floor Covering
Active Insurance current
- Next Level Contractors INC
Active Insurance current
- Nichols Electric
Active Insurance current
- Nick Air Conditioning INC
Active Insurance current
- No Limit Tile & Stone LLC
Active Insurance expiring soon
- Non Stop Flooring & Design
Active Insurance expired
- North American Crane Company
Active No insurance on file
- Northstar Phac INC
Active No insurance on file
- Norton General Contractors
Active Insurance current
- O&a Custom Window Fashions INC
Active Insurance expiring soon
- Og Plastering INC
Active No insurance on file
- Old School Masonry INC
Active Insurance current
- Omega Doors Corp
Active No insurance on file
- Ontario Electric INC
Active Insurance current
- Ontario Refrigeration Commercial Air Conditioning Heating & Contr
Active Insurance current
- Ontario Wholesale Carpet
Active No insurance on file
- Ontarios Landscape INC
Active Insurance current
- Opti - Comm Technologies
Active Insurance expiring soon
- Opti-Comm Technologies INC
Active Insurance expiring soon
- Orange Coast Network Solutions Corp
Active Insurance expired
- Orange Independent Plumbing Services
Active Insurance current
- Orange West Plastering
Active Insurance current
- Orellana's Garage Doors INC
Active No insurance on file
- Ortiz Demolition Incorporated
Active Insurance current
- P & P Pavers INC
Active Insurance current
- P V & C Plumbing and Piping INC
Active Insurance current
- Pac Builders Corp
Active No insurance on file
Last checked against state records on Oct 4, 2026. How we get this data.