you asked:
General engineering contractors in Fontana, CA
48 general engineering contractors in Fontana, CA; 1,849 within 30 miles. Every listing checked against the issuer's record, in the published order.
Pochos Engineering Services
Bloomington, CA · WC exempt · 5 mi away
Proof for Pochos Engineering Services
- License
- CSLB 1137993
- 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
- Bloomington, CA · serves California
- Phone
- (909) 240-4924
- Listing
- Built from public records. Not claimed yet, so call them directly.
Power Grade Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Power Grade Inc
- License
- CSLB 935306
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 947-5191
- Listing
- Built from public records. Not claimed yet, so call them directly.
Powerhouse Grading Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Powerhouse Grading Inc
- License
- CSLB 909465
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 947-5191
- Listing
- Built from public records. Not claimed yet, so call them directly.
Practicore Solutions Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Practicore Solutions Inc
- License
- CSLB 1146273
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (714) 757-5499
- Listing
- Built from public records. Not claimed yet, so call them directly.
Professional Electrical Construction Services Inc
Rancho Cucamonga, CA · WC ✓ · 7 mi away
Proof for Professional Electrical Construction Services Inc
- License
- CSLB 924855
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete; C10 Electrical
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 373-4100
- Listing
- Built from public records. Not claimed yet, so call them directly.
Proffitt Excavating Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Proffitt Excavating Inc
- License
- CSLB 952224
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 762-8760
- Listing
- Built from public records. Not claimed yet, so call them directly.
Progressive Fueling Construction Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Progressive Fueling Construction Inc
- License
- CSLB 894043
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 395-0343
- Listing
- Built from public records. Not claimed yet, so call them directly.
Qualified Equipment Service
Mira Loma, CA · WC ✓ · 9 mi away
Proof for Qualified Equipment Service
- License
- CSLB 658047
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical
- Expires
- Nov 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Mira Loma, CA · serves California
- Phone
- (951) 681-3633
- Listing
- Built from public records. Not claimed yet, so call them directly.
R F C Services
Alta Loma, CA · WC ✓ · 7 mi away
Proof for R F C Services
- License
- CSLB 719686
- 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
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (909) 944-3517
- Listing
- Built from public records. Not claimed yet, so call them directly.
R-Golden Contractors Inc
Riverside, CA · WC exempt · 7 mi away
Proof for R-Golden Contractors Inc
- License
- CSLB 1083178
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Nov 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Riverside, CA · serves California
- Phone
- (909) 770-2119
- Listing
- Built from public records. Not claimed yet, so call them directly.
R J Constructors Inc
Riverside, CA · WC exempt · 9 mi away
Proof for R J Constructors Inc
- License
- CSLB 973882
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; HAZ Hazardous Substance Removal
- Expires
- Jun 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Riverside, CA · serves California
- Phone
- (951) 784-7609
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rar Premier Builders Inc
Rancho Cucamonga, CA · WC ✓ · 8 mi away
Proof for Rar Premier Builders Inc
- License
- CSLB 1082882
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 239-8067
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reclaimed Aggregates Inc
Jurupa Valley, CA · WC ✓ · 9 mi away
Proof for Reclaimed Aggregates Inc
- License
- CSLB 851384
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Jurupa Valley, CA · serves California
- Phone
- (951) 682-1091
- Listing
- Built from public records. Not claimed yet, so call them directly.
Regional Connector Constructors
Riverside, CA · WC ✓ · 7 mi away
Proof for Regional Connector Constructors
- License
- CSLB 991917
- 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
- Riverside, CA · serves California
- Phone
- (951) 684-5360
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reyco Engineering Inc
Alta Loma, CA · WC ✓ · 7 mi away
Proof for Reyco Engineering Inc
- License
- CSLB 1070146
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Alta Loma, CA · serves California
- Phone
- (626) 922-6185
- Listing
- Built from public records. Not claimed yet, so call them directly.
Riley Jeffrey Grading
Bloomington, CA · WC exempt · 5 mi away
Proof for Riley Jeffrey Grading
- License
- CSLB 819301
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Bloomington, CA · serves California
- Phone
- (714) 412-2813
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rivergreen Construction & Design
Jurupa Valley, CA · WC exempt · 7 mi away
Proof for Rivergreen Construction & Design
- License
- CSLB 1128581
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C29 Masonry
- Expires
- Nov 30, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Jurupa Valley, CA · serves California
- Phone
- (562) 714-7479
- Listing
- Built from public records. Not claimed yet, so call them directly.
Riverside Construction Company, Inc
Riverside, CA · 9 mi away
Proof for Riverside Construction Company, Inc
- SAM.gov registration
- US-GSA-SAM LBWVSQDCFLZ5
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Aug 4, 2027
- Checked
- Oct 23, 2026
- Where
- Riverside, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Robert Alan Construction Inc
Ontario, CA · WC ✓ · 9 mi away
Proof for Robert Alan Construction Inc
- License
- CSLB 1022004
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C8 Concrete
- Expires
- Dec 31, 2026
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Ontario, CA · serves California
- Phone
- (909) 241-1499
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rodriguez Brothers Engineering Inc
Ontario, CA · WC exempt · 9 mi away
Proof for Rodriguez Brothers Engineering Inc
- License
- CSLB 670969
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C42 Sanitation System
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Ontario, CA · serves California
- Phone
- (909) 923-2837
- 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.