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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.
Scott Mark Construction Inc
Pleasant Hill, CA · WC ✓ · 8 mi away
Proof for Scott Mark Construction Inc
- License
- CSLB 682814
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C15 Flooring and Floor Covering; C28 Lock and Security Equipment
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pleasant Hill, CA · serves California
- Phone
- (925) 944-0502
- Listing
- Built from public records. Not claimed yet, so call them directly.
Seecon Financial & Construction Co Inc
Concord, CA · WC ✓ · 7 mi away
Proof for Seecon Financial & Construction Co Inc
- License
- CSLB 469096
- 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
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 671-7711
- Listing
- Built from public records. Not claimed yet, so call them directly.
Seeno Albert D Construction Co
Concord, CA · WC ✓ · 7 mi away
Proof for Seeno Albert D Construction Co
- License
- CSLB 260260
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 671-7711
- Listing
- Built from public records. Not claimed yet, so call them directly.
Seeno Albert D III
Concord, CA · WC exempt · 7 mi away
Proof for Seeno Albert D III
- License
- CSLB 750828
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Concord, CA · serves California
- Phone
- (925) 682-6419
- Listing
- Built from public records. Not claimed yet, so call them directly.
Seeno David T
Pleasant Hill, CA · WC exempt · 8 mi away
Proof for Seeno David T
- License
- CSLB 1030096
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Pleasant Hill, CA · serves California
- Phone
- (925) 483-2589
- Listing
- Built from public records. Not claimed yet, so call them directly.
Seeno Thomas Albert
Walnut Creek, CA · WC exempt · 7 mi away
Proof for Seeno Thomas Albert
- License
- CSLB 281272
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Walnut Creek, CA · serves California
- Phone
- (925) 932-4655
- Listing
- Built from public records. Not claimed yet, so call them directly.
Service Pros Plumbers Inc
Antioch, CA · WC ✓ · 7 mi away
Proof for Service Pros Plumbers Inc
- License
- CSLB 979455
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C36 Plumbing; C42 Sanitation System
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Antioch, CA · serves California
- Phone
- (925) 753-5600
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sierra Bay Contractors Inc
Concord, CA · WC exempt · 7 mi away
Proof for Sierra Bay Contractors Inc
- License
- CSLB 735077
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Concord, CA · serves California
- Phone
- (925) 671-7711
- Listing
- Built from public records. Not claimed yet, so call them directly.
Slr International Corporation
Walnut Creek, CA · WC ✓ · 7 mi away
Proof for Slr International Corporation
- License
- CSLB 991727
- 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
- Walnut Creek, CA · serves California
- Phone
- (510) 451-1761
- Listing
- Built from public records. Not claimed yet, so call them directly.
Spencon Construction Inc
Danville, CA · WC ✓ · 9 mi away
Proof for Spencon Construction Inc
- License
- CSLB 820205
- 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
- Danville, CA · serves California
- Phone
- (925) 984-2581
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sports Construction Consultant
Alamo, CA · WC exempt · 7 mi away
Proof for Sports Construction Consultant
- License
- CSLB 1077574
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alamo, CA · serves California
- Phone
- (925) 766-5334
- Listing
- Built from public records. Not claimed yet, so call them directly.
Stier Engineering
Antioch, CA · WC exempt · 8 mi away
Proof for Stier Engineering
- License
- CSLB 1148360
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Antioch, CA · serves California
- Phone
- (951) 805-2440
- Listing
- Built from public records. Not claimed yet, so call them directly.
Stroer & Graff Inc
Antioch, CA · WC ✓ · 7 mi away
Proof for Stroer & Graff Inc
- License
- CSLB 397082
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Antioch, CA · serves California
- Phone
- (925) 778-0200
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swinerton Builders
Concord, CA · WC ✓ · 7 mi away
Proof for Swinerton Builders
- License
- CSLB 92
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C2 Insulation and Acoustical; C4 Boiler, Hot Water Heating and Steam Fitting; C5 Framing and Rough Carpentry; C6 Cabinet, Millwork and Finish Carpentry; C8 Concrete; C9 Drywall; C10 Electrical; C12 Earthwork and Paving; C16 Fire Protection; C21 Building Moving/Demolition; C29 Masonry; C33 Painting and Decorating; C35 Lathing and Plastering; C39 Roofing; C50 Reinforcing Steel; D28 Doors, Gates and Activating Devices
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 602-6400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swinerton Builders & Power Engineering a Joint Venture
Concord, CA · WC ✓ · 7 mi away
Proof for Swinerton Builders & Power Engineering a Joint Venture
- License
- CSLB 1024581
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; HAZ Hazardous Substance Removal
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 602-6400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swinerton Energy Inc
Concord, CA · WC ✓ · 7 mi away
Proof for Swinerton Energy Inc
- License
- CSLB 1125731
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 602-6400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swinerton Rubecon Joint Venture
Concord, CA · WC ✓ · 7 mi away
Proof for Swinerton Rubecon Joint Venture
- License
- CSLB 1075320
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 602-6400
- Listing
- Built from public records. Not claimed yet, so call them directly.
Swinerton / Webcor JV
Concord, CA · WC ✓ · 7 mi away
Proof for Swinerton / Webcor JV
- License
- CSLB 1037955
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Concord, CA · serves California
- Phone
- (925) 602-6400
- Listing
- Built from public records. Not claimed yet, so call them directly.
T N B Construction
Antioch, CA · WC exempt · 7 mi away
Proof for T N B Construction
- License
- CSLB 947604
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Antioch, CA · serves California
- Phone
- (925) 757-3660
- Listing
- Built from public records. Not claimed yet, so call them directly.
Tcpaf Inc
Walnut Creek, CA · WC exempt · 7 mi away
Proof for Tcpaf Inc
- License
- CSLB 1097485
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Walnut Creek, CA · serves California
- Phone
- (415) 612-0588
- Listing
- Built from public records. Not claimed yet, so call them directly.
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