How many electrical & lighting contractors are in ONTARIO, CA?

159 with a current California license, as of 2026-08-31.

How do I check a California contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the California CSLB licensee database.

Electrical & Lighting contractors in ONTARIO, CA

159 listings

Source: California CSLB license records. Last verified 2026-08-31.

There are 159 electrical & lighting contractors in ONTARIO, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; every listing shows its own number and expiry date. All are drawn from the California CSLB register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
ABBA COMMUNICATIONS	777384	C-7	2028-04-30	ONTARIO	91764	Set up workspace
ABLE ELECTRIC	766137	C-10	2028-02-29	ONTARIO	91761	Set up workspace
ABM ELECTRICAL POWER SERVICES LLC	989000	C-10	2027-12-31	ONTARIO	91761	Set up workspace
AC POWER 1 INC	1018955	C-10	2026-10-31	ONTARIO	91762	Set up workspace
ADVANCED ELECTRICAL INNOVATIONS	856385	C-10	2027-03-31	ONTARIO	91762	Set up workspace
ADVANCED MONITORING INC	1035016	C-7, C-10	2028-01-31	ONTARIO	91761	Set up workspace
ADVANCED TECHNOLOGY INC	1064615	B, C-10	2028-03-31	ONTARIO	91762	Set up workspace
AGILITY INTEGRATION CORPORATION	804121	C-10	2028-02-29	ONTARIO	91761	Set up workspace
ALBERTO GARCIA CONSTRUCTION SERVICES INC DBA A G CONSTRUCTION	793245	B, C-8, C-10, C-29	2027-04-30	ONTARIO	91762	Set up workspace
ALBERTO GARCIA CONTRACTOR	624340	B, C-10, C-29	2027-08-31	ONTARIO	91762	Set up workspace
ALEXANDER INSTALLATION & TECHNOLOGY SERVICES LLC	1060170	C-7	2027-11-30	ONTARIO	91761	Set up workspace
ALEX ELECTRICAL SERVICES INC	1061425	C-10	2026-10-31	ONTARIO	91761	Set up workspace
ALFA POWER ELECTRIC	1142958	C-10	2027-09-30	ONTARIO	91786	Set up workspace
ALLIANCE COMMUNICATION SERVICES INC	746796	B, C-7	2027-04-30	ONTARIO	91761	Set up workspace
ALL PRO COOLING HEATING PLUMBING & ELECTRICAL	1103983	C-10, C-20, C-36	2027-04-30	ONTARIO	91761	Set up workspace
A&L SYSTEMS LLC	1159202	C-10	2028-08-31	ONTARIO	91762	Set up workspace
AMJ MECHANICAL	1031031	C-10, C-20, D35	2027-09-30	ONTARIO	91761	Set up workspace
ANDREW GEORGE TURNER	1046234	C-10	2026-10-31	ONTARIO	91761	Set up workspace
ARC ELECTRICAL CONTRACTORS INC	1085957	C-10	2028-08-31	ONTARIO	91761	Set up workspace
ARENA CONSTRUCTION CLEANUP	1037475	C-10, D63	2028-03-31	ONTARIO	91764	Set up workspace
ARIAS ELECTRICAL SERVICES	1005100	C-10	2027-12-31	ONTARIO	91761	Set up workspace
ARIJET CORPORATION	916562	A, C-7	2028-06-30	ONTARIO	91762	Set up workspace
AVAIL ELECTRICAL SERVICES LLC	1048984	C-10	2028-07-31	ONTARIO	91761	Set up workspace
B3D ELECTRIC	1037130	C-10	2028-03-31	ONTARIO	91761	Set up workspace
BARNES FIBER COMMUNICATIONS	1020360	C-7	2026-11-30	ONTARIO	91762	Set up workspace
BELANGER ELECTRICAL SERVICES	729646	C-10	2027-05-31	ONTARIO	91762	Set up workspace
BRIAN YAWCHING KAO	897876	B, C-10, C-20, C-36	2027-06-30	ONTARIO	91764	Set up workspace
BULL LINE ELECTRIC	1159919	C-10	2028-08-31	ONTARIO	91762	Set up workspace
CALIFORNIA STREET LIGHTING	1034194	C-10	2027-12-31	ONTARIO	91761	Set up workspace
CALTEK TECHNOLOGIES	1090616	C-7	2028-04-30	ONTARIO	91761	Set up workspace
CANSECO ELECTRICAL CONTRACTING INCORPORATED	1027087	C-10	2028-05-31	ONTARIO	91762	Set up workspace
CASTLE CONTRACTOR	933993	C-10, D28, D35	2027-06-30	ONTARIO	91761	Set up workspace
CBX CONSTRUCTION INC	1132477	B, C-7, C-10	2027-02-28	ONTARIO	91761	Set up workspace
CHINO VALLEY REFRIGERATION	570810	C-10, C-38	2027-09-30	ONTARIO	91762	Set up workspace
CLEAN POWER CONSTRUCTION	1041123	B, C-10	2028-06-30	ONTARIO	91761	Set up workspace
CMD ELECTRIC INC	1081762	C-10	2027-09-30	ONTARIO	91761	Set up workspace
COMTRACT COMMUNICATIONS INC	598482	B, C-7	2028-07-31	ONTARIO	91762	Set up workspace
CONTROL SYSTEMS	1099963	B, C-10	2026-12-31	ONTARIO	91762	Set up workspace
COPPERHEAD ELECTRIC	1075400	C-10	2027-05-31	ONTARIO	91764	Set up workspace
CUSTOM PROFESSIONAL ELECTRONICS INC	944235	C-7	2028-03-31	ONTARIO	91762	Set up workspace
DAVINSON PORTO	765542	C-10	2027-07-31	ONTARIO	91764	Set up workspace
DAYLIGHT SOLAR ENERGY CORP	903293	B, C-10, C-46	2027-12-31	ONTARIO	91761	Set up workspace
DEER CANYON ELECTRIC INC	1041297	C-10	2028-06-30	ONTARIO	91761	Set up workspace
DELTA ENERGY ELECTRICAL SOLUTION	1154808	C-10	2028-05-31	ONTARIO	91761	Set up workspace
DESSA ELECTRIC COMPANY	1093380	C-10	2028-06-30	ONTARIO	91761	Set up workspace
DIGITAL TECHNOLOGIES INC	894551	B, C-7, C-10	2027-04-30	ONTARIO	91761	Set up workspace
DMG FIRE PROTECTION	1062041	C-10, C-16	2028-01-31	ONTARIO	91761	Set up workspace
D S S	970275	C-7	2028-02-29	ONTARIO	91761	Set up workspace
ELECTRICAL BEST SERVICES INC	1081235	C-10	2027-09-30	ONTARIO	91762	Set up workspace
ELECTRICAL SERVICES	926775	C-10	2026-12-31	ONTARIO	91762	Set up workspace

Showing 1–50 of 159

Quick answers

How many electrical & lighting contractors are in ONTARIO?: 159 with a current California license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the California CSLB licensee database.