you asked:
General engineering contractors in Ontario, CA
70 general engineering contractors in Ontario, CA. Every listing checked against the issuer's record, in the published order.
Chavez Mario
Chino Hills, CA · WC exempt · 10 mi away
Proof for Chavez Mario
- License
- CSLB 1063281
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 841-8831
- Listing
- Built from public records. Not claimed yet, so call them directly.
Chen Pang Chiu
Montclair, CA · WC exempt · 6 mi away
Proof for Chen Pang Chiu
- License
- CSLB 514113
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Montclair, CA · serves California
- Phone
- (626) 224-7800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Coach Construction
Rancho Cucamonga, CA · WC exempt · 7 mi away
Proof for Coach Construction
- License
- CSLB 784946
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 749-5681
- Listing
- Built from public records. Not claimed yet, so call them directly.
Coburn Equipment Inc
Chino, CA · WC ✓ · 5 mi away
Proof for Coburn Equipment Inc
- License
- CSLB 333960
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 591-6417
- Listing
- Built from public records. Not claimed yet, so call them directly.
Commodity Trucking Acquisition LLC
Chino, CA · WC ✓ · 5 mi away
Proof for Commodity Trucking Acquisition LLC
- License
- CSLB 1061477
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 355-5531
- Listing
- Built from public records. Not claimed yet, so call them directly.
Condor Electric Co
Upland, CA · WC ✓ · 6 mi away
Proof for Condor Electric Co
- License
- CSLB 421153
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (951) 206-1522
- Listing
- Built from public records. Not claimed yet, so call them directly.
Construction West Inc
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for Construction West Inc
- License
- CSLB 860477
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C54 Ceramic and Mosaic Tile
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 322-5437
- Listing
- Built from public records. Not claimed yet, so call them directly.
Continental Plumbing Inc
Mira Loma, CA · WC ✓ · 5 mi away
Proof for Continental Plumbing Inc
- License
- CSLB 399073
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C4 Boiler, Hot Water Heating and Steam Fitting; C16 Fire Protection; C34 Pipeline; C36 Plumbing; HAZ Hazardous Substance Removal
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Mira Loma, CA · serves California
- Phone
- (951) 360-8300
- Listing
- Built from public records. Not claimed yet, so call them directly.
Core & Main LP
Corona, CA · WC ✓ · 8 mi away
Proof for Core & Main LP
- License
- CSLB 1097128
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Corona, CA · serves California
- Phone
- (909) 574-8662
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cornerstone Renovation Inc
Rancho Cucamonga, CA · WC ✓ · 10 mi away
Proof for Cornerstone Renovation Inc
- License
- CSLB 1009891
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 480-3260
- Listing
- Built from public records. Not claimed yet, so call them directly.
Corona Constructors
Corona, CA · WC ✓ · 8 mi away
Proof for Corona Constructors
- License
- CSLB 513884
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Corona, CA · serves California
- Phone
- (951) 340-1286
- Listing
- Built from public records. Not claimed yet, so call them directly.
Criterion Industrial
Jurupa Valley, CA · WC ✓ · 10 mi away
Proof for Criterion Industrial
- License
- CSLB 899657
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Jurupa Valley, CA · serves California
- Phone
- (951) 683-2400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Crosstown Electrical & Data Inc
Chino, CA · WC ✓ · 5 mi away
Proof for Crosstown Electrical & Data Inc
- License
- CSLB 756309
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (626) 813-6693
- Listing
- Built from public records. Not claimed yet, so call them directly.
Crown Construction Engineering Incorporated
Rancho Cucamonga, CA · WC ✓ · 8 mi away
Proof for Crown Construction Engineering Incorporated
- License
- CSLB 1026331
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 29, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 477-0892
- Listing
- Built from public records. Not claimed yet, so call them directly.
Crown Structures Engineering
Alta Loma, CA · WC exempt · 8 mi away
Proof for Crown Structures Engineering
- License
- CSLB 1138368
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 477-0892
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ct & T Concrete Paving Inc, Ct&T Concrete Paving Inc.
Pomona, CA · 9 mi away
Proof for Ct & T Concrete Paving Inc, Ct&T Concrete Paving Inc.
- SAM.gov registration
- US-GSA-SAM NCEUYHRA56G9
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Jul 23, 2027
- Checked
- Oct 23, 2026
- Where
- Pomona, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cut N Dry Restoration
Rancho Cucamonga, CA · WC ✓ via leasing firm · 7 mi away
Proof for Cut N Dry Restoration
- License
- CSLB 1013757
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C10 Electrical; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 987-9861
- Listing
- Built from public records. Not claimed yet, so call them directly.
D'arcangelo Jerry Construction
Claremont, CA · WC exempt · 9 mi away
Proof for D'arcangelo Jerry Construction
- License
- CSLB 994292
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C53 Swimming Pool
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Claremont, CA · serves California
- Phone
- (909) 821-2840
- Listing
- Built from public records. Not claimed yet, so call them directly.
D C Drilling Inc
Jurupa Valley, CA · WC ✓ · 5 mi away
Proof for D C Drilling Inc
- License
- CSLB 995044
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- D09 Drilling, Blasting and Oil Field Work
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Jurupa Valley, CA · serves California
- Phone
- (951) 368-7789
- Listing
- Built from public records. Not claimed yet, so call them directly.
Daneshmayeh David Reza
Riverside, CA · WC exempt · 10 mi away
Proof for Daneshmayeh David Reza
- License
- CSLB 880669
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Riverside, CA · serves California
- Phone
- (951) 202-7345
- Listing
- Built from public records. Not claimed yet, so call them directly.
More cities in California
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.