you asked:
General engineering contractors in Upland, CA
51 general engineering contractors in Upland, CA. Every listing checked against the issuer's record, in the published order.
Riptide Industries
Ontario, CA · WC ✓ · 4 mi away
Proof for Riptide Industries
- License
- CSLB 1056742
- 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
- (714) 313-5767
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rjh Management
Claremont, CA · WC ✓ · 3 mi away
Proof for Rjh Management
- License
- CSLB 1038083
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C8 Concrete
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Claremont, CA · serves California
- Phone
- (951) 332-1680
- Listing
- Built from public records. Not claimed yet, so call them directly.
Russell J L Construction - Restoration Co
Rancho Cucamonga, CA · WC exempt · 5 mi away
Proof for Russell J L Construction - Restoration Co
- License
- CSLB 702875
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 917-5490
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sci
Alta Loma, CA · WC ✓ · 4 mi away
Proof for Sci
- License
- CSLB 984859
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C21 Building Moving/Demolition; C42 Sanitation System; C47 General Manufactured Housing
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 981-2700
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sewer Bee
Rancho Cucamonga, CA · WC ✓ · 4 mi away
Proof for Sewer Bee
- License
- CSLB 1155568
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; 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
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 373-5014
- Listing
- Built from public records. Not claimed yet, so call them directly.
Shafer J S & Associates Inc
Claremont, CA · WC ✓ · 3 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.
Sitelogiq Inc
Ontario, CA · WC ✓ · 4 mi away
Proof for Sitelogiq Inc
- License
- CSLB 1054171
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (916) 914-1929
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slater Waterproofing Inc
Montclair, CA · WC ✓ · 4 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.
Sm Waterworks Backflow Service
Ontario, CA · WC exempt · 4 mi away
Proof for Sm Waterworks Backflow Service
- License
- CSLB 1115619
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C36 Plumbing; C60 Welding
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Ontario, CA · serves California
- Phone
- (909) 828-1512
- Listing
- Built from public records. Not claimed yet, so call them directly.
Southland Pipe Corporation
Alta Loma, CA · WC ✓ · 4 mi away
Proof for Southland Pipe Corporation
- License
- CSLB 928448
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 873-3820
- Listing
- Built from public records. Not claimed yet, so call them directly.
Spec Construction Co Inc
Ontario, CA · WC ✓ · 4 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 ✓ · 4 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.
Superior Tank Co Inc
Rancho Cucamonga, CA · WC ✓ · 5 mi away
Proof for Superior Tank Co Inc
- License
- CSLB 472119
- 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
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 912-0580
- Listing
- Built from public records. Not claimed yet, so call them directly.
Superior Tank Solutions Inc
Rancho Cucamonga, CA · WC ✓ · 5 mi away
Proof for Superior Tank Solutions Inc
- License
- CSLB 939335
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C33 Painting and Decorating
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 912-0599
- Listing
- Built from public records. Not claimed yet, so call them directly.
T En Stone & Webster Process Technology Inc
Claremont, CA · WC ✓ · 3 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.
T S R Construction and Inspections
Rancho Cucamonga, CA · WC ✓ · 5 mi away
Proof for T S R Construction and Inspections
- License
- CSLB 881123
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 331-2249
- Listing
- Built from public records. Not claimed yet, so call them directly.
Teichert Pipelines, Inc.
Ontario, CA · 4 mi away
Proof for Teichert Pipelines, Inc.
- SAM.gov registration
- US-GSA-SAM PJHFPDU6SXA6
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Apr 9, 2027
- Checked
- Oct 23, 2026
- Where
- Ontario, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Theilacker Rudolf Carl Contractor
Ontario, CA · WC exempt · 4 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.
Tj's General Engineering Inc
Rancho Cucamonga, CA · WC ✓ · 5 mi away
Proof for Tj's General Engineering Inc
- License
- CSLB 1056874
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 354-7769
- Listing
- Built from public records. Not claimed yet, so call them directly.
Traffic Control Inc
Montclair, CA · WC ✓ · 4 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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