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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.
Goss Construction CO Inc, Goss Construction CO., Inc.
Rancho Cucamonga, CA · 7 mi away
Proof for Goss Construction CO Inc, Goss Construction CO., Inc.
- SAM.gov registration
- US-GSA-SAM JKPTAL6YXAD6
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Feb 4, 2027
- Checked
- Oct 23, 2026
- Where
- Rancho Cucamonga, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Grand Space
Diamond Bar, CA · WC exempt · 9 mi away
Proof for Grand Space
- License
- CSLB 1075915
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Diamond Bar, CA · serves California
- Phone
- (626) 417-6161
- Listing
- Built from public records. Not claimed yet, so call them directly.
Graves Edward & Associates
Alta Loma, CA · WC ✓ · 7 mi away
Proof for Graves Edward & Associates
- License
- CSLB 400167
- 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
- Alta Loma, CA · serves California
- Phone
- (909) 969-1999
- Listing
- Built from public records. Not claimed yet, so call them directly.
Grigolla Construction
San Dimas, CA · WC exempt · 7 mi away
Proof for Grigolla Construction
- License
- CSLB 840594
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- San Dimas, CA · serves California
- Phone
- (909) 447-8530
- Listing
- Built from public records. Not claimed yet, so call them directly.
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.
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