you asked:
General engineering contractors in Clayton, CA
9 general engineering contractors in Clayton, CA; 1,359 within 30 miles. Every listing checked against the issuer's record, in the published order.
Tidal Marine Construction Inc
Antioch, CA · WC ✓ · 7 mi away
Proof for Tidal Marine Construction Inc
- License
- CSLB 893867
- 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
- Antioch, CA · serves California
- Phone
- (925) 609-6464
- Listing
- Built from public records. Not claimed yet, so call them directly.
Titus Mrf Services
Danville, CA · WC ✓ · 9 mi away
Proof for Titus Mrf Services
- License
- CSLB 872945
- 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
- Danville, CA · serves California
- Phone
- (909) 357-3156
- Listing
- Built from public records. Not claimed yet, so call them directly.
Tnh Development LLC
Concord, CA · WC ✓ · 7 mi away
Proof for Tnh Development LLC
- License
- CSLB 1054533
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (847) 525-3960
- Listing
- Built from public records. Not claimed yet, so call them directly.
Traffic Control Pros
Concord, CA · WC ✓ · 8 mi away
Proof for Traffic Control Pros
- License
- CSLB 995422
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 270-4580
- Listing
- Built from public records. Not claimed yet, so call them directly.
U S T Testing Services Inc
Concord, CA · WC ✓ · 7 mi away
Proof for U S T Testing Services Inc
- License
- CSLB 866797
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C12 Earthwork and Paving; C16 Fire Protection; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C34 Pipeline; C36 Plumbing; C38 Refrigeration; C42 Sanitation System; C43 Sheet Metal; C60 Welding
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 288-8944
- Listing
- Built from public records. Not claimed yet, so call them directly.
Vadnais Trenchless Services Inc
Antioch, CA · WC ✓ · 7 mi away
Proof for Vadnais Trenchless Services Inc
- License
- CSLB 997903
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Antioch, CA · serves California
- Phone
- (925) 978-2060
- Listing
- Built from public records. Not claimed yet, so call them directly.
Vanquish Environmental & Engineering
Danville, CA · WC ✓ · 9 mi away
Proof for Vanquish Environmental & Engineering
- License
- CSLB 1007510
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Danville, CA · serves California
- Phone
- (925) 787-6001
- Listing
- Built from public records. Not claimed yet, so call them directly.
Verus Associates Inc
Concord, CA · WC ✓ · 7 mi away
Proof for Verus Associates Inc
- License
- CSLB 1074961
- 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
- Concord, CA · serves California
- Phone
- (925) 446-6586
- Listing
- Built from public records. Not claimed yet, so call them directly.
Vip General Engineering Inc
Pleasant Hill, CA · WC ✓ · 8 mi away
Proof for Vip General Engineering Inc
- License
- CSLB 1138225
- 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
- Pleasant Hill, CA · serves California
- Phone
- (510) 253-9709
- Listing
- Built from public records. Not claimed yet, so call them directly.
Vortex Marine Construction Inc
Antioch, CA · WC ✓ · 7 mi away
Proof for Vortex Marine Construction Inc
- License
- CSLB 649452
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Antioch, CA · serves California
- Phone
- (510) 261-2400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Wall Charles a
Walnut Creek, CA · WC ✓ · 7 mi away
Proof for Wall Charles a
- License
- CSLB 412142
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Walnut Creek, CA · serves California
- Phone
- (925) 932-7900
- Listing
- Built from public records. Not claimed yet, so call them directly.
West Coast Land and Development Inc
Concord, CA · WC ✓ · 7 mi away
Proof for West Coast Land and Development Inc
- License
- CSLB 1008541
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 246-2870
- Listing
- Built from public records. Not claimed yet, so call them directly.
Young D W Construction Company Inc
Alamo, CA · WC ✓ · 7 mi away
Proof for Young D W Construction Company Inc
- License
- CSLB 365358
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alamo, CA · serves California
- Phone
- (925) 743-1536
- Listing
- Built from public records. Not claimed yet, so call them directly.
Z L C Corp
Concord, CA · WC ✓ · 5 mi away
Proof for Z L C Corp
- License
- CSLB 890327
- 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
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 465-6663
- Listing
- Built from public records. Not claimed yet, so call them directly.
Zero Waste Energy @ Davis Street an Urbaser Project LLC
Walnut Creek, CA · WC ✓ via leasing firm · 7 mi away
Proof for Zero Waste Energy @ Davis Street an Urbaser Project LLC
- License
- CSLB 1033875
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Covered through an employee leasing firm
- Where
- Walnut Creek, CA · serves California
- Phone
- (925) 378-7875
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dmz Builders
Concord, CA · 7 mi away
Proof for Dmz Builders
- SAM.gov registration
- US-GSA-SAM HC6JGJS94C68
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Sep 24, 2027
- Checked
- Oct 23, 2026
- Where
- Concord, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flatiron-Dragados-Sukut Joint Venture
Concord, CA · 7 mi away
Proof for Flatiron-Dragados-Sukut Joint Venture
- SAM.gov registration
- US-GSA-SAM MRL6KMXKCTD5
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- Jun 3, 2027
- Checked
- Oct 23, 2026
- Where
- Concord, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flatiron Dragados-Teichert I-80 Truck Lanes JV
Concord, CA · 7 mi away
Proof for Flatiron Dragados-Teichert I-80 Truck Lanes JV
- SAM.gov registration
- US-GSA-SAM TSCHJF32JGT5
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- Feb 19, 2027
- Checked
- Oct 23, 2026
- Where
- Concord, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flatiron Herzog a JV
Concord, CA · 7 mi away
Proof for Flatiron Herzog a JV
- SAM.gov registration
- US-GSA-SAM XS9BXQRKAR57
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- Jan 13, 2027
- Checked
- Oct 23, 2026
- Where
- Concord, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Flatiron-Teichert a Joint Venture
Concord, CA · 7 mi away
Proof for Flatiron-Teichert a Joint Venture
- SAM.gov registration
- US-GSA-SAM XRTYG15RSRM5
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- Mar 4, 2027
- Checked
- Oct 23, 2026
- Where
- Concord, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
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