you asked:
General engineering contractors in Colton, CA
14 general engineering contractors in Colton, CA; 1,574 within 30 miles. Every listing checked against the issuer's record, in the published order.
R D S Engineering
Redlands, CA · WC exempt · 10 mi away
Proof for R D S Engineering
- License
- CSLB 851413
- 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
- Redlands, CA · serves California
- Phone
- (714) 673-2039
- Listing
- Built from public records. Not claimed yet, so call them directly.
R-Golden Contractors Inc
Riverside, CA · WC exempt · 8 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 N D Contractors Inc
Fontana, CA · WC ✓ · 8 mi away
Proof for R N D Contractors Inc
- License
- CSLB 898471
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C51 Structural Steel
- Expires
- Jun 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 429-8500
- Listing
- Built from public records. Not claimed yet, so call them directly.
Regional Connector Constructors
Riverside, CA · WC ✓ · 8 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.
Rice Fire Protection
Moreno Valley, CA · WC ✓ · 7 mi away
Proof for Rice Fire Protection
- License
- CSLB 619552
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; C16 Fire Protection
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Moreno Valley, CA · serves California
- Phone
- (951) 243-6677
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rivard Timothy a
Riverside, CA · WC ✓ · 9 mi away
Proof for Rivard Timothy a
- License
- CSLB 231048
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C16 Fire Protection; C34 Pipeline; C42 Sanitation System; HAZ Hazardous Substance Removal
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 360-8596
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rivergreen Construction & Design
Jurupa Valley, CA · WC exempt · 8 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 · WC ✓ · 9 mi away
Proof for Riverside Construction Company Inc
- License
- CSLB 266222
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 682-8308
- Listing
- Built from public records. Not claimed yet, so call them directly.
Robo One Plumbing Corporation
Fontana, CA · WC ✓ · 9 mi away
Proof for Robo One Plumbing Corporation
- License
- CSLB 639506
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C34 Pipeline; C36 Plumbing; C42 Sanitation System
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 721-0085
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ruby's Builder Inc
Jurupa Valley, CA · WC ✓ · 8 mi away
Proof for Ruby's Builder Inc
- License
- CSLB 815758
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C29 Masonry
- Expires
- Apr 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Jurupa Valley, CA · serves California
- Phone
- (562) 843-4699
- Listing
- Built from public records. Not claimed yet, so call them directly.
S-Line Contractors
Riverside, CA · WC ✓ · 9 mi away
Proof for S-Line Contractors
- License
- CSLB 1053841
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C8 Concrete; C10 Electrical; C34 Pipeline
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 502-5282
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sa Golden Investments Inc
Fontana, CA · WC ✓ · 10 mi away
Proof for Sa Golden Investments Inc
- License
- CSLB 1116562
- 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
- Fontana, CA · serves California
- Phone
- (909) 519-3346
- Listing
- Built from public records. Not claimed yet, so call them directly.
Salcedo Earthworks Inc
Moreno Valley, CA · WC ✓ · 7 mi away
Proof for Salcedo Earthworks Inc
- License
- CSLB 1103102
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C12 Earthwork and Paving; HAZ Hazardous Substance Removal
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Moreno Valley, CA · serves California
- Phone
- (951) 902-3050
- Listing
- Built from public records. Not claimed yet, so call them directly.
San Fernando Transit Constructors
Riverside, CA · WC ✓ · 8 mi away
Proof for San Fernando Transit Constructors
- License
- CSLB 1088090
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Mar 31, 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.
Sanborn D M Pipeline Contractors
Redlands, CA · WC exempt · 9 mi away
Proof for Sanborn D M Pipeline Contractors
- License
- CSLB 541556
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C34 Pipeline; C42 Sanitation System
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Redlands, CA · serves California
- Phone
- (951) 712-6192
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sauter Dale
Fontana, CA · WC exempt · 10 mi away
Proof for Sauter Dale
- License
- CSLB 1056959
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C51 Structural Steel
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Fontana, CA · serves California
- Phone
- (909) 376-4257
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sc Constructors
Riverside, CA · WC ✓ · 8 mi away
Proof for Sc Constructors
- License
- CSLB 1134961
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (951) 335-0067
- Listing
- Built from public records. Not claimed yet, so call them directly.
Segu Incorporated
Fontana, CA · WC ✓ · 8 mi away
Proof for Segu Incorporated
- License
- CSLB 992622
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Fontana, CA · serves California
- Phone
- (909) 276-5582
- Listing
- Built from public records. Not claimed yet, so call them directly.
Serafin's Engineering Corp
Riverside, CA · No WC on file · 8 mi away
Proof for Serafin's Engineering Corp
- License
- CSLB 1045120
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Oct 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- No current workers' comp on file
- Where
- Riverside, CA · serves California
- Phone
- (909) 786-7952
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sierra Pacific Electrical Contracting
Jurupa Valley, CA · WC ✓ · 8 mi away
Proof for Sierra Pacific Electrical Contracting
- License
- CSLB 264048
- 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
- Jurupa Valley, CA · serves California
- Phone
- (951) 784-1410
- 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.