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General engineering contractors in Ontario, CA
63 general engineering contractors in Ontario, CA. Every listing checked against the issuer's record, in the published order.
Abacherli Engineering Inc
Mira Loma, CA · WC ✓ · 5 mi away
Proof for Abacherli Engineering Inc
- License
- CSLB 740838
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Mira Loma, CA · serves California
- Phone
- (951) 323-0716
- Listing
- Built from public records. Not claimed yet, so call them directly.
Access General Contracting Inc, Access General Contracting, Inc.
Corona, CA · 8 mi away
Proof for Access General Contracting Inc, Access General Contracting, Inc.
- SAM.gov registration
- US-GSA-SAM EKJ5SZVKUYH6
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- May 6, 2027
- Checked
- Oct 23, 2026
- Where
- Corona, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ace Construction & Engineering
Corona, CA · 8 mi away
Proof for Ace Construction & Engineering
- SAM.gov registration
- US-GSA-SAM GZPGN5VZWJ39
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Jun 25, 2027
- Checked
- Oct 23, 2026
- Where
- Corona, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Acer Fire Protection Inc
Montclair, CA · WC ✓ · 6 mi away
Proof for Acer Fire Protection Inc
- License
- CSLB 1047478
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Montclair, CA · serves California
- Phone
- (626) 224-7800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Act 1 Construction Inc
Norco, CA · WC ✓ · 8 mi away
Proof for Act 1 Construction Inc
- License
- CSLB 657517
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C12 Earthwork and Paving; C29 Masonry
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Norco, CA · serves California
- Phone
- (951) 735-1184
- Listing
- Built from public records. Not claimed yet, so call them directly.
Acunas Engineering Inc
Mira Loma, CA · WC exempt · 5 mi away
Proof for Acunas Engineering Inc
- License
- CSLB 1140735
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Mira Loma, CA · serves California
- Phone
- (951) 261-4808
- Listing
- Built from public records. Not claimed yet, so call them directly.
Addison Equipment Rental
Fontana, CA · WC ✓ · 9 mi away
Proof for Addison Equipment Rental
- License
- CSLB 431813
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 822-8282
- Listing
- Built from public records. Not claimed yet, so call them directly.
All American Construction Solutions
Chino, CA · WC ✓ · 5 mi away
Proof for All American Construction Solutions
- License
- CSLB 1047163
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C51 Structural Steel
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (323) 788-9799
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allen Cayir
Chino, CA · WC ✓ · 5 mi away
Proof for Allen Cayir
- License
- CSLB 646413
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 595-8599
- Listing
- Built from public records. Not claimed yet, so call them directly.
Alliance Construction Co
Rancho Cucamonga, CA · WC exempt · 8 mi away
Proof for Alliance Construction Co
- License
- CSLB 916836
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 952-5025
- Listing
- Built from public records. Not claimed yet, so call them directly.
Allsup Corporation
Upland, CA · WC ✓ · 6 mi away
Proof for Allsup Corporation
- License
- CSLB 394938
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (909) 931-1636
- Listing
- Built from public records. Not claimed yet, so call them directly.
America Pacific Construction Inc
Eastvale, CA · WC ✓ · 8 mi away
Proof for America Pacific Construction Inc
- License
- CSLB 940463
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Eastvale, CA · serves California
- Phone
- (559) 577-9999
- Listing
- Built from public records. Not claimed yet, so call them directly.
American Polytech Coating Systems Inc
Rancho Cucamonga, CA · WC ✓ via leasing firm · 10 mi away
Proof for American Polytech Coating Systems Inc
- License
- CSLB 907799
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C39 Roofing; D30 Pile Driving and Pressure Foundation Jacking
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 899-8561
- Listing
- Built from public records. Not claimed yet, so call them directly.
Amj Inc
Chino, CA · WC exempt · 5 mi away
Proof for Amj Inc
- License
- CSLB 1077396
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C34 Pipeline
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Chino, CA · serves California
- Phone
- (909) 342-0635
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ampco Contracting Inc
Corona, CA · WC ✓ · 8 mi away
Proof for Ampco Contracting Inc
- License
- CSLB 851752
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Corona, CA · serves California
- Phone
- (949) 955-2255
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ams Paving LLC
Fontana, CA · WC ✓ · 8 mi away
Proof for Ams Paving LLC
- License
- CSLB 415436
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 357-0711
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ap Electrical Construction Inc
Chino, CA · WC ✓ · 5 mi away
Proof for Ap Electrical Construction Inc
- License
- CSLB 957108
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 597-5610
- Listing
- Built from public records. Not claimed yet, so call them directly.
Apex Traffic Control Inc
Pomona, CA · WC ✓ · 9 mi away
Proof for Apex Traffic Control Inc
- License
- CSLB 1157550
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C31 Construction Zone Traffic Control
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (323) 475-0976
- Listing
- Built from public records. Not claimed yet, so call them directly.
Aramexx Construction
Corona, CA · WC exempt · 8 mi away
Proof for Aramexx Construction
- License
- CSLB 960305
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C27 Landscaping
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Corona, CA · serves California
- Phone
- (909) 933-0327
- Listing
- Built from public records. Not claimed yet, so call them directly.
Asphalt Paving Systems Inc
Corona, CA · WC ✓ · 8 mi away
Proof for Asphalt Paving Systems Inc
- License
- CSLB 1098385
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Corona, CA · serves California
- Phone
- (408) 590-8127
- Listing
- Built from public records. Not claimed yet, so call them directly.
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