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.
Cowan & Thompson Construction Inc
Martinez, CA · WC ✓ · 13 mi away
Proof for Cowan & Thompson Construction Inc
- License
- CSLB 595745
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Martinez, CA · serves California
- Phone
- (925) 372-9412
- Listing
- Built from public records. Not claimed yet, so call them directly.
D & D Constructors Inc
San Ramon, CA · WC ✓ · 12 mi away
Proof for D & D Constructors Inc
- License
- CSLB 1095287
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (925) 250-1989
- Listing
- Built from public records. Not claimed yet, so call them directly.
D K Environmental
Lafayette, CA · WC ✓ · 11 mi away
Proof for D K Environmental
- License
- CSLB 728118
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C27 Landscaping; C46 Solar; D12 Synthetic Products; D34 Prefabricated Equipment
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Lafayette, CA · serves California
- Phone
- (925) 930-8600
- Listing
- Built from public records. Not claimed yet, so call them directly.
Darrah Trucking & Excavating Inc
Martinez, CA · WC ✓ · 13 mi away
Proof for Darrah Trucking & Excavating Inc
- License
- CSLB 923917
- 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
- Martinez, CA · serves California
- Phone
- (925) 229-3725
- Listing
- Built from public records. Not claimed yet, so call them directly.
Davidson Construction
San Ramon, CA · WC exempt · 12 mi away
Proof for Davidson Construction
- License
- CSLB 982799
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Ramon, CA · serves California
- Phone
- (916) 919-4746
- Listing
- Built from public records. Not claimed yet, so call them directly.
Del Pino Ernesto
Oakley, CA · WC exempt · 14 mi away
Proof for Del Pino Ernesto
- License
- CSLB 854980
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Oakley, CA · serves California
- Phone
- (510) 910-2226
- Listing
- Built from public records. Not claimed yet, so call them directly.
Delta Grading
Brentwood, CA · WC exempt · 13 mi away
Proof for Delta Grading
- License
- CSLB 665563
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C12 Earthwork and Paving
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Brentwood, CA · serves California
- Phone
- (925) 634-2659
- Listing
- Built from public records. Not claimed yet, so call them directly.
Diablo Valley Engineering Inc
Martinez, CA · WC exempt · 13 mi away
Proof for Diablo Valley Engineering Inc
- License
- CSLB 1015805
- 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
- Martinez, CA · serves California
- Phone
- (925) 250-4172
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dig & Demo Inc
San Ramon, CA · WC ✓ · 12 mi away
Proof for Dig & Demo Inc
- License
- CSLB 993947
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C21 Building Moving/Demolition
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Ramon, CA · serves California
- Phone
- (877) 933-4448
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dirt Doctor Excavating
Martinez, CA · WC exempt · 13 mi away
Proof for Dirt Doctor Excavating
- License
- CSLB 1064234
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving; C21 Building Moving/Demolition
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Martinez, CA · serves California
- Phone
- (925) 260-3636
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dynamo Construction
Moraga, CA · 12 mi away
Proof for Dynamo Construction
- SAM.gov registration
- US-GSA-SAM W59BZQZ564K3
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Feb 27, 2027
- Checked
- Oct 23, 2026
- Where
- Moraga, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dynamo Construction
Moraga, CA · WC ✓ · 12 mi away
Proof for Dynamo Construction
- License
- CSLB 1144746
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Moraga, CA · serves California
- Phone
- (925) 899-7663
- Listing
- Built from public records. Not claimed yet, so call them directly.
Encino Construction Group Corp
San Ramon, CA · WC ✓ · 12 mi away
Proof for Encino Construction Group Corp
- License
- CSLB 759656
- 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
- San Ramon, CA · serves California
- Phone
- (510) 599-9922
- Listing
- Built from public records. Not claimed yet, so call them directly.
Engineering Remediation Resources Group Inc
Martinez, CA · WC ✓ · 13 mi away
Proof for Engineering Remediation Resources Group Inc
- License
- CSLB 743750
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C21 Building Moving/Demolition; C22 Asbestos Abatement; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Martinez, CA · serves California
- Phone
- (925) 969-0750
- Listing
- Built from public records. Not claimed yet, so call them directly.
Enspech
Lafayette, CA · WC ✓ · 11 mi away
Proof for Enspech
- License
- CSLB 1125136
- 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
- Lafayette, CA · serves California
- Phone
- (415) 854-8266
- Listing
- Built from public records. Not claimed yet, so call them directly.
F D R W Inc
Brentwood, CA · WC exempt · 13 mi away
Proof for F D R W Inc
- License
- CSLB 936400
- 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
- Brentwood, CA · serves California
- Phone
- (925) 634-2899
- Listing
- Built from public records. Not claimed yet, so call them directly.
F R Construction
Pacheco, CA · WC ✓ · 13 mi away
Proof for F R Construction
- License
- CSLB 1097184
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pacheco, CA · serves California
- Phone
- (925) 876-7886
- Listing
- Built from public records. Not claimed yet, so call them directly.
F S Plumbing
Martinez, CA · WC exempt · 13 mi away
Proof for F S Plumbing
- License
- CSLB 612036
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C36 Plumbing
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Martinez, CA · serves California
- Phone
- (925) 595-3962
- Listing
- Built from public records. Not claimed yet, so call them directly.
Foundation Constructors Inc
Oakley, CA · WC ✓ · 14 mi away
Proof for Foundation Constructors Inc
- License
- CSLB 270761
- 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
- Oakley, CA · serves California
- Phone
- (925) 754-6633
- Listing
- Built from public records. Not claimed yet, so call them directly.
Foundation Pile Inc
Oakley, CA · WC ✓ · 14 mi away
Proof for Foundation Pile Inc
- License
- CSLB 360640
- 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
- Oakley, CA · serves California
- Phone
- (925) 754-6633
- Listing
- Built from public records. Not claimed yet, so call them directly.
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