you asked:
General engineering contractors in Upland, CA
51 general engineering contractors in Upland, CA. Every listing checked against the issuer's record, in the published order.
Proffitt Excavating Inc
Ontario, CA · WC ✓ · 7 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.
Prosouth Builders Inc
Rancho Cucamonga, CA · WC exempt · 9 mi away
Proof for Prosouth Builders Inc
- License
- CSLB 1073544
- 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
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 731-3668
- Listing
- Built from public records. Not claimed yet, so call them directly.
Q&E Pipeline Company
Pomona, CA · WC ✓ · 8 mi away
Proof for Q&E Pipeline Company
- License
- CSLB 1123849
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C34 Pipeline
- Expires
- Aug 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 706-8286
- Listing
- Built from public records. Not claimed yet, so call them directly.
R F C Services
Alta Loma, CA · WC ✓ · 5 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 S & M Construction Inc
Rancho Cucamonga, CA · WC ✓ · 9 mi away
Proof for R S & M Construction Inc
- License
- CSLB 847570
- 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
- Rancho Cucamonga, CA · serves California
- Phone
- (951) 377-4551
- Listing
- Built from public records. Not claimed yet, so call them directly.
Red Castle Construction Inc
Chino, CA · WC ✓ · 8 mi away
Proof for Red Castle Construction Inc
- License
- CSLB 1110181
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C8 Concrete
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Chino, CA · serves California
- Phone
- (840) 212-1687
- Listing
- Built from public records. Not claimed yet, so call them directly.
Renowned Engineering
Pomona, CA · WC exempt · 8 mi away
Proof for Renowned Engineering
- License
- CSLB 1154976
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- May 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Pomona, CA · serves California
- Phone
- (909) 938-2039
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reyco Engineering Inc
Alta Loma, CA · WC ✓ · 5 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.
Reyes Construction Inc
Pomona, CA · 8 mi away
Proof for Reyes Construction Inc
- SAM.gov registration
- US-GSA-SAM EHBKT8QL1KF1
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Sep 4, 2027
- Checked
- Oct 23, 2026
- Where
- Pomona, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reyes Construction Inc
Pomona, CA · WC ✓ · 8 mi away
Proof for Reyes Construction Inc
- License
- CSLB 507561
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C21 Building Moving/Demolition; HAZ Hazardous Substance Removal
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (909) 622-2259
- Listing
- Built from public records. Not claimed yet, so call them directly.
Reyes/Larison JV
Pomona, CA · WC exempt · 8 mi away
Proof for Reyes/Larison JV
- License
- CSLB 1100501
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Jan 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Pomona, CA · serves California
- Phone
- (909) 622-2259
- Listing
- Built from public records. Not claimed yet, so call them directly.
Right of Way Inc
San Dimas, CA · WC ✓ · 9 mi away
Proof for Right of Way Inc
- License
- CSLB 792675
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C31 Construction Zone Traffic Control
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 930-9292
- Listing
- Built from public records. Not claimed yet, so call them directly.
Robert Alan Construction Inc
Ontario, CA · WC ✓ · 7 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.
Robert Konstruction
San Dimas, CA · WC ✓ · 9 mi away
Proof for Robert Konstruction
- License
- CSLB 985284
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 795-0970
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rodriguez Brothers Engineering Inc
Ontario, CA · WC exempt · 7 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.
Rodriguez H D Engineering
Rancho Cucamonga, CA · WC exempt · 5 mi away
Proof for Rodriguez H D Engineering
- License
- CSLB 576676
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rancho Cucamonga, CA · serves California
- Phone
- (909) 945-9885
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rogers Martin a Inc
San Dimas, CA · WC ✓ · 9 mi away
Proof for Rogers Martin a Inc
- License
- CSLB 928843
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C2 Insulation and Acoustical
- Expires
- Feb 28, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- San Dimas, CA · serves California
- Phone
- (626) 449-0805
- Listing
- Built from public records. Not claimed yet, so call them directly.
Rok Power
Pomona, CA · WC ✓ · 8 mi away
Proof for Rok Power
- License
- CSLB 1135153
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C10 Electrical
- Expires
- Apr 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Pomona, CA · serves California
- Phone
- (480) 306-1801
- Listing
- Built from public records. Not claimed yet, so call them directly.
S & G Diversified Products
Chino, CA · 8 mi away
Proof for S & G Diversified Products
- SAM.gov registration
- US-GSA-SAM NRAFNTHFKFE3
- Issuer
- US-GSA-SAM
- Status
- Active
- Class
- Corporation registered in SAM.gov
- Expires
- Jul 29, 2027
- Checked
- Oct 23, 2026
- Where
- Chino, CA · serves California
- Listing
- Built from public records. Not claimed yet, so call them directly.
Sager G M Construction Co
LA Verne, CA · WC ✓ · 6 mi away
Proof for Sager G M Construction Co
- License
- CSLB 409330
- 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
- LA Verne, CA · serves California
- Phone
- (909) 620-9987
- 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.