Licensed Contractors in Ontario, California

871 contractors found

Showing 1–50 of 871 contractors

Business Name	License #	Status	Classifications	Expires
#1 CALIFORNIA FLOORING INC	1115597	active	C15	01/31/2028
4S EPOXY & POLISH CONCRETE INC	1122757	active	D06	06/30/2026
A & B PLUMBING SOLUTIONS INC	1051865	active	C36	03/31/2027
A - C REGLAZING	927734	active	D12	01/31/2027
A - INDUSTRIAL DESIGN / BUILD	969373	active	B	01/31/2028
A 2 Z PLUMBING	1047486	active	C36	12/31/2026
A A G PUMP SERVICES	1067678	active	D21	08/31/2026
A A HVAC INC	1057513	active	C20	08/31/2027
A G CONSTRUCTION	793245	active	B\| C-8\| C10\| C29	04/30/2027
A G HEATING & AIR	1132532	active	C20	02/28/2027
A I C INTERIOR INC	806562	active	B	09/30/2026
A M F I	800845	active	D21\| D24	11/30/2027
A N D A	1032575	active	B	11/30/2027
A T S CONSTRUCTION	807837	active	B	05/31/2026
A-1 DELIVERY CO	971377	active	D34	03/31/2026
A-C POWER SYSTEMS	514277	active	C10	07/31/2027
A2Z BUILDERS GROUP INC	1150914	active	B	02/29/2028
AAK PAINTING SERVICES	1123755	active	C33	07/31/2026
ABBA COMMUNICATIONS	777384	active	C-7	04/30/2026
ABC RESOURCES INC	538680	active	A\| C12\| C32	08/31/2026
ABL CONTRACTING INC	1126537	active	B	09/30/2026
ABLE ELECTRIC	766137	active	C10	02/29/2028
ABM ELECTRICAL POWER SERVICES LLC	989000	active	C10	12/31/2027
ABOUBAKARE ANSARY	1042235	active	B\| C20\| C38	07/31/2026
ABOVEGROUND SOLUTIONS INC	1106979	active	B	07/31/2027
ABSOLUTE FACILITY CONTROL INC	796155	active	B	08/31/2027
AC POWER 1 INC	1018955	active	C10	10/31/2026
ACE ENGINEERING INC	613320	active	A\| ASB\| B\| C21	02/28/2027
ACES CONSTRUCTION	1083500	active	B	11/30/2027
ACOSTA PIPELINE INC	1064810	active	A\| C36	04/30/2028
ACTION RESTORATION	798665	active	B	08/31/2027
ADAMS JOHN I CONSTRUCTION	1011138	active	B	02/29/2028
ADAPTIVE CONTROLS SERVICES	1116142	active	C20	02/29/2028
ADVANCE CONSTRUCTION	842289	active	B	05/31/2027
ADVANCED ELECTRICAL INNOVATIONS	856385	active	C10	03/31/2027
ADVANCED MONITORING INC	1035016	active	C-7\| C10	01/31/2028
ADVANCED TECHNOLOGY INC	1064615	active	C10	03/31/2028
ADVANCO FIRE PROTECTION INC	631600	active	C16\| C34	11/30/2027
AFFORDABLE HOLLOW METAL DOOR INC	1018578	active	D28	09/30/2026
AFFORDABLE SERVICES	857640	active	C21\| D06\| D49\| D63	04/30/2027
AGILITY INTEGRATION CORPORATION	804121	active	C10	02/29/2028
AIR CONTROL SPECIALTIES INC	570881	active	C20	03/31/2027
AIR CONTROL SYSTEMS INC	639003	active	C-2\| C20	03/31/2028
AIRITE HEATING AND AIR CONDITIONING INC	232930	active	C-4\| C20\| C38	10/31/2026
AIRTONG HEATING & COOLING	991016	active	C20	03/31/2028
AJ CLAREMONT STRUCTURAL STEEL FAB INC	1137486	active	C51	05/31/2027
AJB CONCRETE & MASONRY CONSTRUCTION	463690	active	C-8\| C29	10/31/2027
ALATORRE CLARA VERONICA	1043353	active	C33	08/31/2026
ALBERTO GARCIA CONTRACTOR	624340	active	B\| C10\| C29	08/31/2027
ALC ROOFING	1148910	active	C39	01/31/2028

Licensed Contractors in Ontario, California

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