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Employers

Most-Cited Employers in NAICS 213111

Sorted by total violation count.

OtherCA
Crux Subsurface, Inc.
1 inspection · 4 violations
Santa Clarita·$14,620 penalties·Last: Jan 9, 2020
OtherKS
Val Energy Inc.
1 inspection · 4 violations
Kiowa·$12,729 penalties·Last: Aug 20, 2019
OtherTX
Ensign Us Drilling, Llc
1 inspection · 4 violations
Pecos·$8,000 penalties·Last: Feb 26, 2019
OtherAL
Legend Directional Services, Llc
1 inspection · 4 violations
Harpersville·$19,919 penalties·Last: May 9, 2018
OtherIL
Dee Drilling Co.
1 inspection · 3 violations
Grayville·$9,466 penalties·Last: Jul 28, 2025
OtherIL
Indian Liberty, Llc
1 inspection · 3 violations
Bridgeport·$2,554 penalties·Last: Mar 20, 2025
OtherIL
Royal Drilling And Producing, Inc.
1 inspection · 3 violations
Crossville·$6,454 penalties·Last: Mar 17, 2025
OtherTX
Sendero Drilling Company Llc.
5 inspections · 3 violations
Andrews·$14,437 penalties·Last: Dec 12, 2024
OtherMS
White River Operating, Llc
1 inspection · 3 violations
Woodville·$34,755 penalties·Last: Nov 5, 2024
OtherTX
Scandrill Inc
10 inspections · 3 violations
Wink·$8,622 penalties·Last: Oct 17, 2024
OtherTX
Continental Resources Inc.
10 inspections · 3 violations
Wink·$8,000 penalties·Last: Oct 17, 2024
OtherTX
Patterson-uti Drilling Co.
2 inspections · 3 violations
Barstow·$20,000 penalties·Last: Oct 15, 2024
OtherCA
Abc Liovin Drilling Inc
1 inspection · 3 violations
Somis·$5,730 penalties·Last: Aug 5, 2024
OtherTX
Citadel Drilling (usa) Ltd.
3 inspections · 3 violations
Verhalen·$1,780 penalties·Last: Jul 30, 2024
OtherTX
Texas Auger Boring, Llc
1 inspection · 3 violations
San Antonio·$7,743 penalties·Last: Apr 12, 2024
OtherNM
Akita Drilling Usa Corp.
2 inspections · 3 violations
Carlsbad·$33,606 penalties·Last: Mar 6, 2024
OtherNM
Axis Energy Services
1 inspection · 3 violations
Carlsbad·$15,543 penalties·Last: Mar 6, 2024
OtherVA
Noah Horn Well Drilling Inc
2 inspections · 3 violations
Raven·$20,820 penalties·Last: Jul 31, 2023
OtherTX
Kingwell Services Co Llc
1 inspection · 3 violations
Ackerly·$2,916 penalties·Last: Feb 27, 2023
OtherTX
Broadhead Boring, Llc
1 inspection · 3 violations
New Braunfels·$15,178 penalties·Last: Oct 7, 2022
OtherTX
Patterson Drilling Company Llc
2 inspections · 3 violations
Kent·$10,000 penalties·Last: Sep 21, 2022
OtherND
Son Oilfield Services, Llc
1 inspection · 3 violations
Williston·$21,116 penalties·Last: Aug 16, 2022
OtherTX
Oil Patch Rental Service
7 inspections · 3 violations
Mentone·$892 penalties·Last: Apr 26, 2022
OtherCA
Applied Technologies Associates, Inc.
1 inspection · 3 violations
Paso Robles·$1,120 penalties·Last: Apr 19, 2022
OtherTX
Reliable Transport Llc
1 inspection · 3 violations
Knott·$4,476 penalties·Last: Mar 4, 2022
OtherKS
Murfin Drilling Co. Inc.
4 inspections · 3 violations
Scott City·$13,798 penalties·Last: Nov 18, 2021
OtherTX
Stoneham Drilling
1 inspection · 3 violations
Pecos·$1,534 penalties·Last: Aug 11, 2021
OtherAK
Hilcorp Alaska, Llc Platform A
1 inspection · 3 violations
Nikiski·$4,973 penalties·Last: Feb 3, 2021
OtherAK
Hilcorp Alaska, Llc Platform C
1 inspection · 3 violations
Nikiski·$7,802 penalties·Last: Feb 3, 2021
OtherAK
Hilcorp Alaska, Llc Platform Grayling
1 inspection · 3 violations
Nikiski·$10,600 penalties·Last: Feb 3, 2021
OtherTX
Pioneer Energy Services Corp.
5 inspections · 3 violations
Pecos·$1,841 penalties·Last: Nov 17, 2020
OtherTX
Wtb, Llc
1 inspection · 3 violations
San Antonio·$32,001 penalties·Last: Jul 21, 2020
OtherIL
Ashley Oil, Inc.
1 inspection · 3 violations
Casey·Last: Dec 27, 2019
OtherTX
Helmerich & Payne International Drilling Co. Inc.
4 inspections · 3 violations
Pecos·$1,462 penalties·Last: Oct 21, 2019
OtherCA
Martini Drilling Corp.
1 inspection · 3 violations
Mission Viejo·$215 penalties·Last: Aug 30, 2019
OtherTX
Frontier Drilling
1 inspection · 3 violations
Pecos·$13,500 penalties·Last: Aug 21, 2019
OtherKS
Discovery Drilling
2 inspections · 3 violations
Chase·$3,481 penalties·Last: Jun 19, 2019
OtherTX
Northfield Enterprises Inc
2 inspections · 3 violations
Bryan·$5,987 penalties·Last: Apr 29, 2019
OtherPA
Shalepro Energy Services Inc.
1 inspection · 3 violations
West Finley·$8,619 penalties·Last: Feb 11, 2019
OtherTX
Premier Flow Control, Llc
1 inspection · 3 violations
Odessa·$8,525 penalties·Last: Jan 3, 2019
OtherCO
White Mountain Operating, Llc
1 inspection · 3 violations
Greeley·$10,000 penalties·Last: Jun 1, 2018
OtherTX
Double K Drilling, Llc
3 inspections · 3 violations
Pecos·$30,000 penalties·Last: Apr 16, 2018
OtherNM
Aztec Well Servicing
4 inspections · 2 violations
Navajo Dam·$13,990 penalties·Last: Mar 26, 2026
OtherTX
Squared Away Energy Services
1 inspection · 2 violations
Pearsall·Last: Sep 9, 2025
OtherAK
Asrc Energy Services
9 inspections · 2 violations
Prudhoe Bay·Last: Jul 9, 2025
OtherCA
Synergy Oil & Gas, Llc
2 inspections · 2 violations
Long Beach·$37,800 penalties·Last: May 21, 2025
OtherMI
Clearpath Utility Solutions
1 inspection · 2 violations
Lansing·Last: Apr 25, 2025
OtherTX
Scandrill, Inc. / Discoverer (rig)
1 inspection · 2 violations
Kermit·$1,000 penalties·Last: Oct 16, 2024
OtherTX
Ensign Services, Llc
1 inspection · 2 violations
Jourdanton·$7,374 penalties·Last: Jul 1, 2024
OtherWY
Wyoming Casing Service Inc.
1 inspection · 2 violations
Bill·$11,162 penalties·Last: Apr 24, 2024
OtherND
Cyclone Drilling, Inc.
1 inspection · 2 violations
Killdeer·$12,676 penalties·Last: Mar 12, 2024
OtherTX
Zj Falcon Lp Dba Falcon Energy Services
1 inspection · 2 violations
Lubbock·$5,806 penalties·Last: Nov 29, 2023
OtherND
Nabors Drilling Usa
2 inspections · 2 violations
Watford City·$7,813 penalties·Last: Oct 30, 2023
OtherOK
Kyle Erwin Construction Llc
1 inspection · 2 violations
Hooker·$11,292 penalties·Last: Oct 6, 2023
OtherCA
Hydroquip Pump & Dewatering Corp
1 inspection · 2 violations
West Hollywood·$3,410 penalties·Last: Sep 27, 2023
OtherMI
Bigard & Huggard Drilling
2 inspections · 2 violations
Harrison·$1,750 penalties·Last: Sep 21, 2023
OtherNM
Production Solutions International
1 inspection · 2 violations
Artesia·$3,750 penalties·Last: Aug 3, 2023
OtherKS
Evans Energy Development Inc.
1 inspection · 2 violations
Mission·$4,420 penalties·Last: Jul 21, 2023
OtherTX
Pdc Energy, Inc.
4 inspections · 2 violations
Pecos·$9,221 penalties·Last: Apr 6, 2023
OtherPA
Nabors Drilling Technologies Usa, Inc
1 inspection · 2 violations
Montrose·$4,250 penalties·Last: Mar 14, 2023