you asked:
Well drilling contractors in California
725 well drilling contractors listed in California, each checked against the issuer's record. In the published order.
California Pacific Drilling
Calimesa, CA · WC ✓
Proof for California Pacific Drilling
- License
- CSLB 766402
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Calimesa, CA · serves California
- Phone
- (909) 795-7500
- Listing
- Built from public records. Not claimed yet, so call them directly.
Calwater Drilling Company Inc
Turlock, CA · WC ✓
Proof for Calwater Drilling Company Inc
- License
- CSLB 434218
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- May 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Turlock, CA · serves California
- Phone
- (209) 667-7932
- Listing
- Built from public records. Not claimed yet, so call them directly.
Camp S a Pump Company
Bakersfield, CA · WC ✓
Proof for Camp S a Pump Company
- License
- CSLB 346951
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; C57 Well Drilling; D21 Machinery and Pumps
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Bakersfield, CA · serves California
- Phone
- (661) 399-2976
- Listing
- Built from public records. Not claimed yet, so call them directly.
Canepa and Sons Inc
Sonora, CA · WC ✓
Proof for Canepa and Sons Inc
- License
- CSLB 425749
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Sonora, CA · serves California
- Phone
- (209) 532-1136
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cantu Pump Services
Wasco, CA · WC exempt
Proof for Cantu Pump Services
- License
- CSLB 1114338
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Wasco, CA · serves California
- Phone
- (661) 619-1124
- Listing
- Built from public records. Not claimed yet, so call them directly.
Capitola Pump Company Inc
Capitola, CA · WC ✓
Proof for Capitola Pump Company Inc
- License
- CSLB 602890
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Mar 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Capitola, CA · serves California
- Phone
- (831) 475-5364
- Listing
- Built from public records. Not claimed yet, so call them directly.
Carlson Bryer Drilling Contractor
Morro Bay, CA · WC ✓
Proof for Carlson Bryer Drilling Contractor
- License
- CSLB 1124010
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work
- Expires
- Jul 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Morro Bay, CA · serves California
- Phone
- (805) 748-9710
- Listing
- Built from public records. Not claimed yet, so call them directly.
Carson Pump
Carson City, NV · WC ✓
Proof for Carson Pump
- License
- CSLB 745270
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Carson City, NV · serves California
- Phone
- (775) 888-9926
- Listing
- Built from public records. Not claimed yet, so call them directly.
Carter Drilling
Rio Vista, CA · WC exempt
Proof for Carter Drilling
- License
- CSLB 683859
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Rio Vista, CA · serves California
- Phone
- (916) 777-7014
- Listing
- Built from public records. Not claimed yet, so call them directly.
Carter John S Incorporated
Santa Ynez, CA · WC ✓
Proof for Carter John S Incorporated
- License
- CSLB 157378
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- B General Building; C57 Well Drilling; D30 Pile Driving and Pressure Foundation Jacking
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Ynez, CA · serves California
- Phone
- (805) 688-4207
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cascade Drilling LP
Woodinville, WA · WC ✓
Proof for Cascade Drilling LP
- License
- CSLB 1058336
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling
- Expires
- Sep 30, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Woodinville, WA · serves California
- Phone
- (425) 527-9700
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cascade Well & Pump Co
Santa Barbara, CA · WC ✓
Proof for Cascade Well & Pump Co
- License
- CSLB 496704
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D21 Machinery and Pumps
- Expires
- Aug 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Barbara, CA · serves California
- Phone
- (805) 965-7246
- Listing
- Built from public records. Not claimed yet, so call them directly.
Case Pacific Company
Paso Robles, CA · WC ✓
Proof for Case Pacific Company
- License
- CSLB 259827
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C57 Well Drilling
- Expires
- Mar 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Paso Robles, CA · serves California
- Phone
- (805) 237-8851
- Listing
- Built from public records. Not claimed yet, so call them directly.
Castle Well Drilling Inc
Riverbank, CA · WC ✓
Proof for Castle Well Drilling Inc
- License
- CSLB 1044863
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; B General Building; C57 Well Drilling
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Riverbank, CA · serves California
- Phone
- (209) 968-0104
- Listing
- Built from public records. Not claimed yet, so call them directly.
Castles Well Drilling
Riverbank, CA
Proof for Castles Well Drilling
- USDOT registration
- US-DOT 2928863
- Issuer
- US-DOT
- Status
- Active
- Class
- Private motor carrier
- Checked
- Oct 23, 2026
- Where
- Riverbank, CA · serves California
- Phone
- (209) 968-0104
- Listing
- Built from public records. Not claimed yet, so call them directly.
Ceecon Testing Inc
Federal Way, WA · WC exempt
Proof for Ceecon Testing Inc
- License
- CSLB 589926
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- A General Engineering; C10 Electrical; C57 Well Drilling; HAZ Hazardous Substance Removal
- Expires
- Jul 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Exempt: no employees
- Where
- Federal Way, WA · serves California
- Phone
- (650) 827-7474
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cenozoic Exploration
Aptos, CA · WC ✓
Proof for Cenozoic Exploration
- License
- CSLB 682910
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work
- Expires
- Dec 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Aptos, CA · serves California
- Phone
- (831) 689-9222
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cenozoic Exploration Inc
Aptos, CA · WC ✓
Proof for Cenozoic Exploration Inc
- License
- CSLB 1062344
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling; D09 Drilling, Blasting and Oil Field Work
- Expires
- Jan 31, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Aptos, CA · serves California
- Phone
- (831) 689-9222
- Listing
- Built from public records. Not claimed yet, so call them directly.
Central Coast Drilling LLC
Santa Cruz, CA · WC ✓
Proof for Central Coast Drilling LLC
- License
- CSLB 979745
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Oct 31, 2027
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Santa Cruz, CA · serves California
- Phone
- (831) 345-7062
- Listing
- Built from public records. Not claimed yet, so call them directly.
Central Valley Water Well Drilling & Pumps
Tulare, CA · WC ✓
Proof for Central Valley Water Well Drilling & Pumps
- License
- CSLB 1097086
- Issuer
- California Contractors State License Board
- Status
- Active
- Class
- C57 Well Drilling
- Expires
- Sep 30, 2028
- Checked
- Oct 24, 2026
- Workers' comp
- Workers' comp on file
- Where
- Tulare, CA · serves California
- Phone
- (559) 688-9223
- Listing
- Built from public records. Not claimed yet, so call them directly.
Cities
Free for people · nobody pays to rank. Run one of these businesses? Claim it free.