you asked:
General engineering contractors in Rancho Cucamonga, CA
84 general engineering contractors in Rancho Cucamonga, CA. Every listing checked against the issuer's record, in the published order.
Shafer J S & Associates Inc
Claremont, CA · WC ✓ · 9 mi away
Proof for Shafer J S & Associates Inc
- License
- CSLB 699041
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Claremont, CA · serves California
- Phone
- (626) 840-1648
- Listing
- Built from public records. Not claimed yet, so call them directly.
Single Source Construction & Maintenance Inc
Mira Loma, CA · No WC on file · 9 mi away
Proof for Single Source Construction & Maintenance Inc
- License
- CSLB 972039
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C36 Plumbing; D28 Doors, Gates and Activating Devices
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- No current workers' comp on file
- Where
- Mira Loma, CA · serves California
- Phone
- (909) 851-9336
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slater Blake
Fontana, CA · WC exempt · 6 mi away
Proof for Slater Blake
- License
- CSLB 994743
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fontana, CA · serves California
- Phone
- (909) 822-6800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slater Inc
Fontana, CA · WC ✓ · 6 mi away
Proof for Slater Inc
- License
- CSLB 466576
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 822-6800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slater Philip S
Fontana, CA · WC exempt · 8 mi away
Proof for Slater Philip S
- License
- CSLB 428984
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fontana, CA · serves California
- Phone
- (909) 822-6800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slater Waterproofing Inc
Montclair, CA · WC ✓ · 9 mi away
Proof for Slater Waterproofing Inc
- License
- CSLB 373368
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C33 Painting and Decorating; D06 Concrete Related Services; D12 Synthetic Products
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Montclair, CA · serves California
- Phone
- (909) 985-9100
- Listing
- Built from public records. Not claimed yet, so call them directly.
Soltis and Company Inc
Upland, CA · WC ✓ · 5 mi away
Proof for Soltis and Company Inc
- License
- CSLB 653837
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C27 Landscaping
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (909) 346-1111
- Listing
- Built from public records. Not claimed yet, so call them directly.
Soltis Golf Incorporated
Upland, CA · WC ✓ · 5 mi away
Proof for Soltis Golf Incorporated
- License
- CSLB 740786
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C27 Landscaping
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Upland, CA · serves California
- Phone
- (909) 346-1111
- Listing
- Built from public records. Not claimed yet, so call them directly.
Southwest Construction Engineering LLC
Fontana, CA · WC ✓ · 6 mi away
Proof for Southwest Construction Engineering LLC
- License
- CSLB 1103764
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (562) 567-1869
- Listing
- Built from public records. Not claimed yet, so call them directly.
Spec Construction Co Inc
Ontario, CA · WC ✓ · 8 mi away
Proof for Spec Construction Co Inc
- License
- CSLB 419626
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C8 Concrete; C9 Drywall; C10 Electrical; C15 Flooring and Floor Covering; C17 Glazing; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C33 Painting and Decorating; C35 Lathing and Plastering; C36 Plumbing; C39 Roofing
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 947-4601
- Listing
- Built from public records. Not claimed yet, so call them directly.
Spraggins a C Engineering & Underground Inc
Ontario, CA · WC ✓ · 8 mi away
Proof for Spraggins a C Engineering & Underground Inc
- License
- CSLB 383440
- 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
- Ontario, CA · serves California
- Phone
- (714) 995-7552
- Listing
- Built from public records. Not claimed yet, so call them directly.
Stc Netcom Inc
Fontana, CA · WC ✓ · 8 mi away
Proof for Stc Netcom Inc
- License
- CSLB 658768
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (951) 685-8181
- Listing
- Built from public records. Not claimed yet, so call them directly.
Steadfast Construction Services Inc
Fontana, CA · WC ✓ via leasing firm · 6 mi away
Proof for Steadfast Construction Services Inc
- License
- CSLB 835006
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Fontana, CA · serves California
- Phone
- (909) 946-9463
- Listing
- Built from public records. Not claimed yet, so call them directly.
Strata Engineering
Fontana, CA · WC ✓ · 8 mi away
Proof for Strata Engineering
- License
- CSLB 884438
- 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
- Fontana, CA · serves California
- Phone
- (909) 349-7759
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swiss Construction
Mira Loma, CA · WC exempt · 9 mi away
Proof for Swiss Construction
- License
- CSLB 426479
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Mira Loma, CA · serves California
- Phone
- (951) 323-0716
- Listing
- Built from public records. Not claimed yet, so call them directly.
T En Stone & Webster Process Technology Inc
Claremont, CA · WC ✓ · 9 mi away
Proof for T En Stone & Webster Process Technology Inc
- License
- CSLB 1007806
- 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
- Claremont, CA · serves California
- Phone
- (909) 447-3600
- Listing
- Built from public records. Not claimed yet, so call them directly.
Thacker's Engineering
Ontario, CA · WC ✓ · 7 mi away
Proof for Thacker's Engineering
- License
- CSLB 1141853
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (626) 695-6125
- Listing
- Built from public records. Not claimed yet, so call them directly.
Theilacker Rudolf Carl Contractor
Ontario, CA · WC exempt · 8 mi away
Proof for Theilacker Rudolf Carl Contractor
- License
- CSLB 279711
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Ontario, CA · serves California
- Phone
- (909) 983-6089
- Listing
- Built from public records. Not claimed yet, so call them directly.
Titan Consolidated Industries Inc
Fontana, CA · WC ✓ · 6 mi away
Proof for Titan Consolidated Industries Inc
- License
- CSLB 930759
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C21 Building Moving/Demolition; D63 Construction Clean-up
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 357-9800
- Listing
- Built from public records. Not claimed yet, so call them directly.
Traffic Control Inc
Montclair, CA · WC ✓ · 9 mi away
Proof for Traffic Control Inc
- License
- CSLB 1114182
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C31 Construction Zone Traffic Control
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Montclair, CA · serves California
- Phone
- (909) 993-0895
- Listing
- Built from public records. Not claimed yet, so call them directly.
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