General building contractors in Ontario, CA
338 licenses with the B classification list Ontario (San Bernardino County) as their address with the state, 327 of them active. Active licenses with nothing flagged come first.
- Jn Construction IncA · B · C-10 · C-16 +2 · #1001396 Ontario · San Bernardino County Active
- Jnsd Construction IncB · C-10 · C-16 · C-36 · #1080741 Ontario · San Bernardino County Active
- Jocael PalominoB · #644395 Ontario · San Bernardino County Active
- Jod DominguezB · #1084844 Ontario · San Bernardino County Active
- John Fitzgerald DevineB · #934292 Ontario · San Bernardino County Active
- John YackoA · B · #764923 Ontario · San Bernardino County Active
- Johnnie RightmerB · #929338 Ontario · San Bernardino County Active
- Jorcast Enterprises IncB · #559980 Ontario · San Bernardino County Active
- Joseph ConstructionB · #674654 Ontario · San Bernardino County Active
- Julan HaoB · C-20 · #1083815 Ontario · San Bernardino County Active
- Jw Builders IncB · #1015948 Ontario · San Bernardino County Active
- K A R Construction IncB · C-8 · #595709 Ontario · San Bernardino County Active
- K P Construction Co IncB · C-8 · C-51 · #790555 Ontario · San Bernardino County Active
- Kemcorp Construction IncA · B · #934522 Ontario · San Bernardino County Active
- Ken LeeB · #1138718 Ontario · San Bernardino County Active
- Klaus Norbert KraemerB · #529570 Ontario · San Bernardino County Active
- Koguma Sweet HomeB · #1150188 Ontario · San Bernardino County Active
- Kornerstone ConstructionB · #1162745 Ontario · San Bernardino County Active
- Kp BuildersB · C-51 · #983861 Ontario · San Bernardino County Active
- Kyle Yang ConstructionB · #1085591 Ontario · San Bernardino County Active
- L D M Construction ServicesB · C-61/D-34 · #957993 Ontario · San Bernardino County Active
- Lassiter ConstructionB · #758267 Ontario · San Bernardino County Active
- Lee'S General Construction CorpB · #1056618 Ontario · San Bernardino County Active
- Legend Construction Services IncB · C-8 · C-39 · #1038753 Ontario · San Bernardino County Active
- Leo Hao LiuB · #1101645 Ontario · San Bernardino County Active
- Leothacue Enterprises IncA · B · #1025024 Ontario · San Bernardino County Active
- Life BuildersB · #842842 Ontario · San Bernardino County Active
- Lighthouse Construction & RemodelB · #986212 Ontario · San Bernardino County Active
- Linx Construction IncB · #1079357 Ontario · San Bernardino County Active
- Lionel RodirguezB · C-27 · #1153852 Ontario · San Bernardino County Active
- Los Serrano ConstructionB · #1012653 Ontario · San Bernardino County Active
- Louis Joseph EnriquezB · #627102 Ontario · San Bernardino County Active
- Ls ConstructionB · #1118857 Ontario · San Bernardino County Active
- Lvl Construction IncB · #1077369 Ontario · San Bernardino County Active
- M & R Construction Services IncB · C-8 · C-27 · C-29 · #508404 Ontario · San Bernardino County Active
- Mardona Shenouda Construction BuilderB · #1095276 Ontario · San Bernardino County Active
- Marlu ConstructionA · B · C-8 · #960949 Ontario · San Bernardino County Active
- Mc Ghee Construction IncA · B · C-8 · #884036 Ontario · San Bernardino County Active
- McQ Construction IncB · #1132913 Ontario · San Bernardino County Active
- Mega Construction LLCB · #1132714 Ontario · San Bernardino County Active
Source: CSLB license file, Nov 8, 2026All trades in Ontario