you asked:
General engineering contractors in Diamond Bar, CA
14 general engineering contractors in Diamond Bar, CA. Every listing checked against the issuer's record, in the published order.
Demo & Abate Inc
Yorba Linda, CA · WC ✓ · 9 mi away
Proof for Demo & Abate Inc
- License
- CSLB 1089899
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; ASB Asbestos Certification; B General Building; C21 Building Moving/Demolition; C22 Asbestos Abatement; HAZ Hazardous Substance Removal
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 483-1534
- Listing
- Built from public records. Not claimed yet, so call them directly.
Desatoff Steven G
Rowland Heights, CA · WC exempt · 5 mi away
Proof for Desatoff Steven G
- License
- CSLB 946422
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rowland Heights, CA · serves California
- Phone
- (626) 854-9467
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dexore Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Dexore Inc
- License
- CSLB 1077062
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C16 Fire Protection
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 936-9327
- Listing
- Built from public records. Not claimed yet, so call them directly.
Diamond Bar Electric Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Diamond Bar Electric Inc
- License
- CSLB 786172
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 860-6590
- Listing
- Built from public records. Not claimed yet, so call them directly.
Diversfied Construction & Engineering Group Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for Diversfied Construction & Engineering Group Inc
- License
- CSLB 768516
- 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
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (909) 475-0206
- Listing
- Built from public records. Not claimed yet, so call them directly.
Diversified Communications Services, LLC
Brea, CA · 5 mi away
Proof for Diversified Communications Services, LLC
- SAM.gov registration
- US-GSA-SAM ECYFKJYGWN68
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Partnership or limited liability partnership registered in SAM.gov
- Expires
- May 9, 2027
- Checked
- Oct 23, 2026
- Where
- Brea, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Doctor Rooter Inc
West Covina, CA · WC ✓ · 6 mi away
Proof for Doctor Rooter Inc
- License
- CSLB 1051766
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C36 Plumbing
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- West Covina, CA · serves California
- Phone
- (310) 709-4744
- Listing
- Built from public records. Not claimed yet, so call them directly.
Doja Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Doja Inc
- License
- CSLB 597764
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C12 Earthwork and Paving; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 628-1999
- Listing
- Built from public records. Not claimed yet, so call them directly.
Driveway Masters Inc
Brea, CA · WC ✓ · 5 mi away
Proof for Driveway Masters Inc
- License
- CSLB 572518
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C29 Masonry
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Brea, CA · serves California
- Phone
- (714) 773-5555
- Listing
- Built from public records. Not claimed yet, so call them directly.
Drop Mark S Sr
Covina, CA · WC exempt · 8 mi away
Proof for Drop Mark S Sr
- License
- CSLB 881378
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; D03 Awnings
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Covina, CA · serves California
- Phone
- (918) 713-1112
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dynamo Constructors Incorporated
Covina, CA · WC ✓ · 6 mi away
Proof for Dynamo Constructors Incorporated
- License
- CSLB 522526
- 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
- Covina, CA · serves California
- Phone
- (626) 391-1259
- Listing
- Built from public records. Not claimed yet, so call them directly.
Dynatech Products & Landscape
Fullerton, CA · WC exempt · 10 mi away
Proof for Dynatech Products & Landscape
- License
- CSLB 814911
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C27 Landscaping
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fullerton, CA · serves California
- Phone
- (714) 743-3044
- Listing
- Built from public records. Not claimed yet, so call them directly.
E L M Construction Co
LA Puente, CA · WC ✓ · 7 mi away
Proof for E L M Construction Co
- License
- CSLB 901559
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C36 Plumbing; D12 Synthetic Products
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- LA Puente, CA · serves California
- Phone
- (626) 917-7247
- Listing
- Built from public records. Not claimed yet, so call them directly.
Eagle Golf Construction Inc
Yorba Linda, CA · WC ✓ · 8 mi away
Proof for Eagle Golf Construction Inc
- License
- CSLB 809431
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Yorba Linda, CA · serves California
- Phone
- (714) 695-0941
- Listing
- Built from public records. Not claimed yet, so call them directly.
Earth Tek Engineering Corporation
Chino Hills, CA · WC ✓ · 7 mi away
Proof for Earth Tek Engineering Corporation
- License
- CSLB 843676
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 393-2000
- Listing
- Built from public records. Not claimed yet, so call them directly.
Efficient Engineering Construction
Rowland Heights, CA · WC exempt · 5 mi away
Proof for Efficient Engineering Construction
- License
- CSLB 996270
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C27 Landscaping
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rowland Heights, CA · serves California
- Phone
- (626) 252-9694
- Listing
- Built from public records. Not claimed yet, so call them directly.
El Karnak Construction Inc
Covina, CA · WC ✓ · 8 mi away
Proof for El Karnak Construction Inc
- License
- CSLB 1006171
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Covina, CA · serves California
- Phone
- (626) 926-8046
- Listing
- Built from public records. Not claimed yet, so call them directly.
Elecnor Belco Electric Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Elecnor Belco Electric Inc
- License
- CSLB 738518
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 993-5470
- Listing
- Built from public records. Not claimed yet, so call them directly.
Elecnor Hawkeye LLC
Chino, CA · WC ✓ · 8 mi away
Proof for Elecnor Hawkeye LLC
- License
- CSLB 1061662
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 993-5470
- Listing
- Built from public records. Not claimed yet, so call them directly.
Elecnor Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Elecnor Inc
- License
- CSLB 957710
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (909) 993-5470
- Listing
- Built from public records. Not claimed yet, so call them directly.
More cities in California
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.