Contractor SearchGeneral Contractors in Ontario, California.
344 general contractors profiles sourced from public licensing and registration records. Check source status, then use the available direct contact details.
Ontario, CA has 344 general contractors listings in the directory drawn from California CSLB (general building). 330 showed an active license the last time this site read their source, while 5 show an expired, inactive, or suspended status — worth checking before you request a bid; 9 licenses are no longer in the state's current license file. Each profile links the authoritative public source and shows newer recorded status changes when available.
Current public general contractors listings in Ontario.
Listings whose most recent source read showed an active license.
Profiles already claimed and verified by the business.
1 public source feed this city hub.
Linx Construction Inc
General Contractors listing in Ontario, CA. License 1079357 read active on 2026-10-19.
Lionel Rodirguez
General Contractors listing in Ontario, CA. License 1153852 read active on 2026-10-19.
Liu Leo Hao
General Contractors listing in Ontario, CA. License 1101645 read active on 2026-10-19.
Liu Shengyu Construction
General Contractors listing in Ontario, CA. License 1065175 read active on 2026-10-19.
Ls Construction
General Contractors listing in Ontario, CA. License 1118857 read active on 2026-10-19.
Lvl Construction Inc
General Contractors listing in Ontario, CA. License 1077369 read active on 2026-10-19.
M & R Construction Services Inc
General Contractors listing in Ontario, CA. License 508404 read active on 2026-10-19.
Marlu Construction
General Contractors listing in Ontario, CA. License 960949 read active on 2026-10-19.
Mc Andrew Thor Construction
General Contractors listing in Ontario, CA. License 742776 read active on 2026-10-19.
Mcgee Thomas Development Inc
General Contractors listing in Ontario, CA. License 1117295 read active on 2026-10-19.
Mcq Construction Inc
General Contractors listing in Ontario, CA. License 1132913 read active on 2026-10-19.
Mega Construction Llc
General Contractors listing in Ontario, CA. License 1132714 read active on 2026-10-19.
Meng Zhiyong
General Contractors listing in Ontario, CA. License 1046125 read active on 2026-10-19.
Method Design Build
General Contractors listing in Ontario, CA. License 1108931 read active on 2026-10-19.
Metro Rf Services Inc
General Contractors listing in Ontario, CA. License 895236 read active on 2026-10-19.
Mierau Edward C
General Contractors listing in Ontario, CA. License 787998 read active on 2026-10-19.
Milam Samuel Elias
General Contractors listing in Ontario, CA. License 937003 read active on 2026-10-19.
Minghui Li
General Contractors listing in Ontario, CA. License 1028942 read active on 2026-10-19.
Miramontez Eliseo
General Contractors listing in Ontario, CA. License 857173 read active on 2026-10-19.
Moonlite Construction
General Contractors listing in Ontario, CA. License 995505 read active on 2026-10-19.
Moore United Construction Inc
General Contractors listing in Ontario, CA. License 764972 read active on 2026-10-19.
Moreno'S Construction Inc
General Contractors listing in Ontario, CA. License 1095952 read active on 2026-10-19.
Murguia Construction
General Contractors listing in Ontario, CA. License 780053 read active on 2026-10-19.
Murguia Construction Inc
General Contractors listing in Ontario, CA. License 766953 read active on 2026-10-19.
Mustang Construction
General Contractors listing in Ontario, CA. License 1020934 read active on 2026-10-19.
Myco Construction
General Contractors listing in Ontario, CA. License 853581 read active on 2026-10-19.
Navona Placemaking
General Contractors listing in Ontario, CA. License 1156579 read active on 2026-10-19.
Neff Construction Inc
General Contractors listing in Ontario, CA. License 790576 read active on 2026-10-19.
New Constructon
General Contractors listing in Ontario, CA. License 532419 read active on 2026-10-19.
New Home Design & Build
General Contractors listing in Ontario, CA. License 1125434 read active on 2026-10-19.
Next Level Contractors Inc
General Contractors listing in Ontario, CA. License 1088668 read active on 2026-10-19.
Nolte R W Construction Inc
General Contractors listing in Ontario, CA. License 1042244 read active on 2026-10-19.
Norton General Contractors
General Contractors listing in Ontario, CA. License 909595 read active on 2026-10-19.
Orozco Victor Construction
General Contractors listing in Ontario, CA. License 982481 read active on 2026-10-19.
Pac Builders Corp
General Contractors listing in Ontario, CA. License 1107900 read active on 2026-10-19.
Packs Construction
General Contractors listing in Ontario, CA. License 453095 read active on 2026-10-19.
Palomino Jocael
General Contractors listing in Ontario, CA. License 644395 read active on 2026-10-19.
Pam Pan Xu
General Contractors listing in Ontario, CA. License 1150481 read active on 2026-10-19.
Parkcrest Construction Inc
General Contractors listing in Ontario, CA. License 600254 read active on 2026-10-19.
Pascal & Ludwig Constructors Inc
General Contractors listing in Ontario, CA. License 373525 read active on 2026-10-19.
Pbs Construction Service Llc
General Contractors listing in Ontario, CA. License 1077808 read active on 2026-10-19.
Penghao Yuan Construction
General Contractors listing in Ontario, CA. License 1054088 read active on 2026-10-19.
Pennco Construction Group Inc
General Contractors listing in Ontario, CA. License 972111 read active on 2026-10-19.
Perera Construction & Design Inc
General Contractors listing in Ontario, CA. License 585965 read active on 2026-10-19.
Perfect Construction Co
General Contractors listing in Ontario, CA. License 696650 read active on 2026-10-19.
Phil'S Construction
General Contractors listing in Ontario, CA. License 916449 read active on 2026-10-19.
Pona'S Construction
General Contractors listing in Ontario, CA. License 955730 read active on 2026-10-19.
Prefab Granite & Tile Depot Inc
General Contractors listing in Ontario, CA. License 975056 read active on 2026-10-19.
Premium Construction Services
General Contractors listing in Ontario, CA. License 1033803 read active on 2026-10-19.
Prime Construction Services Inc
General Contractors listing in Ontario, CA. License 985031 read active on 2026-10-19.
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