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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.
Hrm Construction & Engineering
Alta Loma, CA · WC exempt · 7 mi away
Proof for Hrm Construction & Engineering
- License
- CSLB 1159160
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 518-5616
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hw Power
Chino, CA · WC ✓ · 5 mi away
Proof for Hw Power
- License
- CSLB 1035211
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical; D31 Pole Installation and Maintenance
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (562) 373-4949
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ibarra's General Engineering
Riverside, CA · WC ✓ · 10 mi away
Proof for Ibarra's General Engineering
- License
- CSLB 635365
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C12 Earthwork and Paving; C53 Swimming Pool
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (909) 342-8447
- Listing
- Built from public records. Not claimed yet, so call them directly.
Industrial Waste Utilization LLC
Montclair, CA · WC ✓ · 6 mi away
Proof for Industrial Waste Utilization LLC
- License
- CSLB 1152705
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Montclair, CA · serves California
- Phone
- (909) 984-9984
- Listing
- Built from public records. Not claimed yet, so call them directly.
Inland Highway Services Corp
Upland, CA · WC ✓ · 8 mi away
Proof for Inland Highway Services Corp
- License
- CSLB 1026434
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (909) 743-2320
- Listing
- Built from public records. Not claimed yet, so call them directly.
Innovative Construction Consulting Services
Norco, CA · WC exempt · 8 mi away
Proof for Innovative Construction Consulting Services
- License
- CSLB 671810
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C27 Landscaping
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Norco, CA · serves California
- Phone
- (951) 532-6483
- Listing
- Built from public records. Not claimed yet, so call them directly.
Intelligent Engineered Systems and Services
Rancho Cucamonga, CA · WC exempt · 10 mi away
Proof for Intelligent Engineered Systems and Services
- License
- CSLB 830327
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (866) 468-7978
- Listing
- Built from public records. Not claimed yet, so call them directly.
International Construction Builders LLC
Alta Loma, CA · WC ✓ · 8 mi away
Proof for International Construction Builders LLC
- License
- CSLB 1106960
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 477-0892
- Listing
- Built from public records. Not claimed yet, so call them directly.
Intren West LLC
Pomona, CA · WC ✓ · 9 mi away
Proof for Intren West LLC
- License
- CSLB 1103190
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; D31 Pole Installation and Maintenance
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 517-3011
- Listing
- Built from public records. Not claimed yet, so call them directly.
Invert Construction Corp
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for Invert Construction Corp
- License
- CSLB 1044261
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C10 Electrical; C21 Building Moving/Demolition; C42 Sanitation System; HAZ Hazardous Substance Removal
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (800) 951-3811
- Listing
- Built from public records. Not claimed yet, so call them directly.
Issa Electric
Riverside, CA · WC exempt · 10 mi away
Proof for Issa Electric
- License
- CSLB 999974
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Riverside, CA · serves California
- Phone
- (909) 772-0216
- Listing
- Built from public records. Not claimed yet, so call them directly.
J B C Design & Build Co
Riverside, CA · WC ✓ · 10 mi away
Proof for J B C Design & Build Co
- License
- CSLB 982238
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C27 Landscaping
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 515-4926
- Listing
- Built from public records. Not claimed yet, so call them directly.
J C E Equipment Inc
Upland, CA · WC ✓ · 8 mi away
Proof for J C E Equipment Inc
- License
- CSLB 879069
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (909) 921-6367
- Listing
- Built from public records. Not claimed yet, so call them directly.
J D Civil Engineering Inc
Chino, CA · WC ✓ · 5 mi away
Proof for J D Civil Engineering Inc
- License
- CSLB 1105126
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (951) 733-6645
- Listing
- Built from public records. Not claimed yet, so call them directly.
J&E Engineering
Chino, CA · WC ✓ · 6 mi away
Proof for J&E Engineering
- License
- CSLB 1112809
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 784-8151
- Listing
- Built from public records. Not claimed yet, so call them directly.
J E Plount and Company Inc
Upland, CA · WC exempt · 6 mi away
Proof for J E Plount and Company Inc
- License
- CSLB 415296
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical; C12 Earthwork and Paving; C34 Pipeline; C46 Solar; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Upland, CA · serves California
- Phone
- (909) 957-5773
- Listing
- Built from public records. Not claimed yet, so call them directly.
J F Engineering Inc
Pomona, CA · WC ✓ · 9 mi away
Proof for J F Engineering Inc
- License
- CSLB 873691
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C21 Building Moving/Demolition
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 721-7698
- Listing
- Built from public records. Not claimed yet, so call them directly.
J & K Welding
Rancho Cucamonga, CA · WC ✓ · 10 mi away
Proof for J & K Welding
- License
- CSLB 419502
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C60 Welding
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 226-1371
- Listing
- Built from public records. Not claimed yet, so call them directly.
J&K Welding Co Inc
Rancho Cucamonga, CA · WC ✓ · 10 mi away
Proof for J&K Welding Co Inc
- License
- CSLB 1108110
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C60 Welding
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 560-3223
- Listing
- Built from public records. Not claimed yet, so call them directly.
J L S Engineering
Jurupa Valley, CA · WC exempt · 10 mi away
Proof for J L S Engineering
- License
- CSLB 455456
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Jurupa Valley, CA · serves California
- Phone
- (951) 685-3427
- Listing
- Built from public records. Not claimed yet, so call them directly.
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