you asked:
General engineering contractors in Montclair, CA
13 general engineering contractors in Montclair, CA. Every listing checked against the issuer's record, in the published order.
Grigolla S J Construction Co Inc
LA Verne, CA · WC ✓ self-insured · 7 mi away
Proof for Grigolla S J Construction Co Inc
- License
- CSLB 462356
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Self-insured for workers' comp
- Where
- LA Verne, CA · serves California
- Phone
- (909) 596-6406
- Listing
- Built from public records. Not claimed yet, so call them directly.
Grigolla & Sons Construction Co Inc
San Dimas, CA · WC ✓ · 7 mi away
Proof for Grigolla & Sons Construction Co Inc
- License
- CSLB 514132
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (909) 447-8530
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ground Werks Plumbing and Rooter
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for Ground Werks Plumbing and Rooter
- License
- CSLB 983618
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C36 Plumbing
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 240-8018
- Listing
- Built from public records. Not claimed yet, so call them directly.
Guerrero Elgin
Ontario, CA · WC ✓ · 7 mi away
Proof for Guerrero Elgin
- License
- CSLB 1113824
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 816-1617
- Listing
- Built from public records. Not claimed yet, so call them directly.
H 2 M Construction Inc
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for H 2 M Construction Inc
- License
- CSLB 1016007
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (626) 343-8866
- Listing
- Built from public records. Not claimed yet, so call them directly.
H L Hitchcock Construction Inc
Rancho Cucamonga, CA · WC ✓ · 9 mi away
Proof for H L Hitchcock Construction Inc
- License
- CSLB 1080210
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 586-8413
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hafner Company Inc
Alta Loma, CA · WC ✓ · 7 mi away
Proof for Hafner Company Inc
- License
- CSLB 912493
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 917-5485
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hanna Rifky B
Rancho Cucamonga, CA · WC exempt · 9 mi away
Proof for Hanna Rifky B
- License
- CSLB 839812
- 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
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 695-8070
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hardscape West Inc
Alta Loma, CA · WC ✓ · 7 mi away
Proof for Hardscape West Inc
- License
- CSLB 838617
- 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
- Alta Loma, CA · serves California
- Phone
- (909) 732-3337
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hayward Environmental Consulting H E C
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for Hayward Environmental Consulting H E C
- License
- CSLB 1016198
- 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
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 481-1106
- Listing
- Built from public records. Not claimed yet, so call them directly.
Haz Mat Trans Inc
Rancho Cucamonga, CA · WC ✓ · 9 mi away
Proof for Haz Mat Trans Inc
- License
- CSLB 823171
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 889-5607
- Listing
- Built from public records. Not claimed yet, so call them directly.
Heavy Iron Contracting LLC
San Dimas, CA · WC ✓ · 7 mi away
Proof for Heavy Iron Contracting LLC
- License
- CSLB 1104415
- 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
- San Dimas, CA · serves California
- Phone
- (951) 830-9703
- Listing
- Built from public records. Not claimed yet, so call them directly.
Heritage General Contracting Inc
Glendora, CA · WC ✓ · 10 mi away
Proof for Heritage General Contracting Inc
- License
- CSLB 1061808
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Glendora, CA · serves California
- Phone
- (714) 618-7706
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hhs Construction LLC
Ontario, CA · 7 mi away
Proof for Hhs Construction LLC
- SAM.gov registration
- US-GSA-SAM Q74UE6ACX7E9
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Dec 9, 2026
- Checked
- Oct 23, 2026
- Where
- Ontario, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hhs Construction LLC
Ontario, CA · WC ✓ · 7 mi away
Proof for Hhs Construction LLC
- License
- CSLB 818906
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C7 Low Voltage Systems; C10 Electrical; C31 Construction Zone Traffic Control
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (303) 325-2697
- Listing
- Built from public records. Not claimed yet, so call them directly.
Holguin & Holguin Enterprises Inc
Rancho Cucamonga, CA · WC exempt · 7 mi away
Proof for Holguin & Holguin Enterprises Inc
- License
- CSLB 1058650
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C21 Building Moving/Demolition
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 224-1690
- Listing
- Built from public records. Not claimed yet, so call them directly.
Horizon Construction
Chino Hills, CA · WC exempt · 9 mi away
Proof for Horizon Construction
- License
- CSLB 823663
- 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
- Exempt: no employees
- Where
- Chino Hills, CA · serves California
- Phone
- (909) 548-1218
- Listing
- Built from public records. Not claimed yet, so call them directly.
Hrm Construction & Engineering
Alta Loma, CA · WC exempt · 7 mi away
Proof for Hrm Construction & Engineering
- License
- CSLB 1159160
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 518-5616
- Listing
- Built from public records. Not claimed yet, so call them directly.
I D J Enterprise Inc
Covina, CA · WC exempt · 9 mi away
Proof for I D J Enterprise Inc
- License
- CSLB 1049359
- 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
- Exempt: no employees
- Where
- Covina, CA · serves California
- Phone
- (626) 780-8458
- Listing
- Built from public records. Not claimed yet, so call them directly.
Inland Highway Services Corp
Upland, CA · WC ✓ · 5 mi away
Proof for Inland Highway Services Corp
- License
- CSLB 1026434
- 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
- Upland, CA · serves California
- Phone
- (909) 743-2320
- Listing
- Built from public records. Not claimed yet, so call them directly.
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