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.
- R J P General ContractingB · #659596 Ontario · San Bernardino County Active
- R W Nolte Construction IncB · #1042244 Ontario · San Bernardino County Active
- R3 PaintingB · C-33 · #757555 Ontario · San Bernardino County Active
- Ramirez Construction Services IncB · #1017026 Ontario · San Bernardino County Active
- Rancho Construction SpecialtiesB · #1113850 Ontario · San Bernardino County Active
- Red & Purple IncB · #1092661 Ontario · San Bernardino County Active
- Rema BuildersB · C-10 · C-29 · #1142912 Ontario · San Bernardino County Active
- Richard Joe SaenzB · #727122 Ontario · San Bernardino County Active
- Rico IncB · C-33 · #831227 Ontario · San Bernardino County Active
- Riggio Construction IncB · #806241 Ontario · San Bernardino County Active
- Right Call Services IncB · #1151470 Ontario · San Bernardino County Active
- Rockwall Construction CompanyB · #777138 Ontario · San Bernardino County Active
- Rovac BuilderB · #1110101 Ontario · San Bernardino County Active
- Rudolf Carl Theilacker ContractorA · B · #279711 Ontario · San Bernardino County Active
- S C M Construction IncB · #935736 Ontario · San Bernardino County Active
- Samuel Elias MilamB · C-10 · #937003 Ontario · San Bernardino County Active
- Sandoval ConstructionB · #876715 Ontario · San Bernardino County Active
- Santana Construction EnterprisesB · #848705 Ontario · San Bernardino County Active
- Santoyo ConstructionB · #1131018 Ontario · San Bernardino County Active
- Scorpion Remodeling Consulting Dba United Water RestorationB · #1127537 Ontario · San Bernardino County Active
- Shark General Building IncB · #1130440 Ontario · San Bernardino County Active
- Shengyu Liu ConstructionB · #1065175 Ontario · San Bernardino County Active
- Sierra ConstructionB · #681123 Ontario · San Bernardino County Active
- Simple Restoration IncB · C-36 · #1066954 Ontario · San Bernardino County Active
- Singularity Construction IncB · #1105261 Ontario · San Bernardino County Active
- Sitelogiq IncA · B · C-10 · #1054171 Ontario · San Bernardino County Active
- Skyline Services LLCB · #1088918 Ontario · San Bernardino County Active
- Skylinecraft Construction IncB · C-10 · #1122803 Ontario · San Bernardino County Active
- Solgar Construction IncB · #1082852 Ontario · San Bernardino County Active
- Solid Integrity ConstructionB · #1161433 Ontario · San Bernardino County Active
- Solorio ConstructionB · #917843 Ontario · San Bernardino County Active
- Spec Construction & Development IncB · #972188 Ontario · San Bernardino County Active
- Spec Construction Co IncA · B · C-4 · C-8 +9 · #419626 Ontario · San Bernardino County Active
- Spicer ConstructionB · #662772 Ontario · San Bernardino County Active
- Stanger Construction and RemodelB · #1103331 Ontario · San Bernardino County Active
- Steve CrossmanB · C-6 · #362535 Ontario · San Bernardino County Active
- Steve HongB · #972839 Ontario · San Bernardino County Active
- Steven Elliott ConstructionB · #863929 Ontario · San Bernardino County Active
- Struct-Tech BuildersB · #568920 Ontario · San Bernardino County Active
- Sunpride Construction IncB · #1162476 Ontario · San Bernardino County Active
Source: CSLB license file, Nov 8, 2026All trades in Ontario