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Employers

Most-Cited Employers in NAICS 213111

Sorted by total violation count.

OtherTX
Patterson Uti Drilling Company Llc.
19 inspections · 23 violations
Kent·$70,824 penalties·Last: Mar 26, 2025
OtherMI
Consumers Energy Company
26 inspections · 22 violations
Battle Creek·$43,500 penalties·Last: Mar 20, 2026
RepeatTX
Unit Drilling Company
10 inspections · 18 violations
Pecos·$120,531 penalties·Last: Apr 26, 2025
OtherCA
Hvi Cat Canyon, Inc.
3 inspections · 18 violations
Santa Maria·$22,555 penalties·Last: Jun 24, 2019
OtherTX
Ensign Us Southern Drilling Llc
10 inspections · 17 violations
Coyanosa·$31,333 penalties·Last: Jul 31, 2024
OtherTX
Independence Contract Drilling, Inc.
10 inspections · 16 violations
Kent·$51,811 penalties·Last: Feb 11, 2026
OtherKS
C & G Drilling Company, Inc.
3 inspections · 16 violations
Dexter·$49,332 penalties·Last: Nov 8, 2022
OtherCO
Ensign United States Drilling, Inc.
11 inspections · 11 violations
Greeley·$52,954 penalties·Last: Mar 11, 2025
RepeatTX
Helmerich & Payne International Drilling Company
8 inspections · 11 violations
Mentone·$33,000 penalties·Last: Oct 17, 2024
OtherTX
Eastham Enterprises Inc.
1 inspection · 11 violations
Pecos·$46,500 penalties·Last: Feb 27, 2019
OtherTX
Helmerich & Payne International Drilling Co.
9 inspections · 10 violations
Pecos·$96,015 penalties·Last: Aug 9, 2024
OtherTX
Helmerich & Payne Drilling
3 inspections · 9 violations
Pecos·$37,978 penalties·Last: Mar 24, 2025
OtherTX
Lewis Petro Properties, Inc.
2 inspections · 9 violations
Encinal·$41,644 penalties·Last: Sep 21, 2022
OtherTX
Noram Drilling Company
9 inspections · 8 violations
Andrews·$39,500 penalties·Last: Apr 14, 2026
OtherCA
Pacific Coast Drilling Company Inc.
2 inspections · 8 violations
Los Gatos·$31,065 penalties·Last: Oct 12, 2023
OtherTX
Frontier Drilling Llc
4 inspections · 8 violations
Kent·$25,000 penalties·Last: Sep 20, 2022
OtherTX
Precision Drilling Corporation, Lp
4 inspections · 8 violations
Pyote·$22,500 penalties·Last: Apr 27, 2022
OtherTX
Savanna Energy Services (u.s.a) Corp
3 inspections · 7 violations
Wickett·$24,201 penalties·Last: Oct 16, 2024
OtherTX
Precision Drilling Company, Lp
3 inspections · 7 violations
Midland·$21,425 penalties·Last: Jan 5, 2024
OtherUT
Cyclone Drilling, Inc.
1 inspection · 7 violations
Vernal·$3,000 penalties·Last: Jan 19, 2022
OtherNM
Patterson - Uti Drilling Company Llc
5 inspections · 6 violations
Jal·$53,627 penalties·Last: May 19, 2026
OtherKS
Mai Oil Operations, Inc.
1 inspection · 6 violations
Ellis·$7,974 penalties·Last: Aug 5, 2025
OtherTX
Nabors Drilling Technologies Usa, Inc.
4 inspections · 6 violations
Karnes City·$16,772 penalties·Last: May 28, 2024
OtherCA
Rival Well Services Incorporated
2 inspections · 6 violations
Brea·$10,800 penalties·Last: Oct 24, 2022
OtherCA
Leon Krous Drilling, Inc.
3 inspections · 6 violations
Sherman Oaks·$34,615 penalties·Last: Nov 21, 2019
OtherCA
Paul Graham Drilling And Services
1 inspection · 6 violations
Rio Vista·$24,250 penalties·Last: Sep 24, 2019
OtherSD
Stretch's Well Service, Inc
1 inspection · 6 violations
Cresbard·$11,970 penalties·Last: Nov 1, 2018
OtherMI
Bailer Oil Company Llc
2 inspections · 5 violations
Birch Run·$2,200 penalties·Last: Oct 28, 2025
OtherTX
Yost Drilling Llc
1 inspection · 5 violations
Encino·$52,960 penalties·Last: Sep 19, 2025
OtherTX
Bonfire P & A Llc
1 inspection · 5 violations
Ozona·$8,572 penalties·Last: Jun 1, 2023
OtherKS
Ace Energy Llc
3 inspections · 5 violations
Mc Cune·$6,698 penalties·Last: Jan 19, 2023
OtherCO
Precision Drilling Company, L.p.
3 inspections · 5 violations
Thornton·$25,689 penalties·Last: Jun 7, 2022
OtherTX
Ensign Us Southern Drilling
3 inspections · 5 violations
Mentone·$17,228 penalties·Last: Apr 26, 2022
OtherAK
Parker Drilling Arctic Operating, Llc
1 inspection · 5 violations
Anchorage·Last: Nov 30, 2021
OtherNM
Black Gold Energy Services Llc
1 inspection · 5 violations
Hobbs·$21,500 penalties·Last: Nov 23, 2021
OtherSD
Water System Drilling, Inc.
1 inspection · 5 violations
Box Elder·$11,100 penalties·Last: Nov 2, 2021
OtherIL
Consolidated Drilling Services Llc
1 inspection · 5 violations
Carmi·$27,763 penalties·Last: Jul 27, 2021
OtherCA
Paul Graham Drilling And Service Co.
2 inspections · 5 violations
Rio Vista·$16,335 penalties·Last: May 18, 2021
OtherTX
Citadel Drilling
2 inspections · 5 violations
Pecos·$23,000 penalties·Last: Nov 16, 2020
OtherTX
Baywater Drilling, Llc
1 inspection · 5 violations
Vanderbilt·$20,000 penalties·Last: Mar 10, 2020
OtherTX
Double K Energy Services
1 inspection · 5 violations
Pecos·$4,000 penalties·Last: Feb 28, 2019
OtherTX
Orion Drilling Company Llc.
2 inspections · 5 violations
Pecos·$2,430 penalties·Last: Feb 27, 2019
OtherAK
Kuukpik Drilling, Llc
1 inspection · 5 violations
Prudhoe Bay·$30,265 penalties·Last: Dec 7, 2018
OtherCA
Jayme R. Zemansky
1 inspection · 5 violations
Mill Valley·$11,200 penalties·Last: Nov 6, 2018
OtherTX
Capstar Drilling Inc.
2 inspections · 5 violations
Orla·$15,000 penalties·Last: Apr 18, 2018
OtherCA
Kenai Drilling Limited
5 inspections · 4 violations
Middletown·$19,460 penalties·Last: May 28, 2026
OtherTX
Rudtuk Operating, Llc
1 inspection · 4 violations
Andrews·$33,100 penalties·Last: Sep 9, 2025
OtherOH
Monroe Drilling Operations, Llc
1 inspection · 4 violations
Matamoras·$53,622 penalties·Last: Aug 26, 2025
OtherTX
Ranger Energy Services
2 inspections · 4 violations
Pecos·$24,584 penalties·Last: Mar 25, 2025
OtherTX
Petroleum Producing Services, Llc
2 inspections · 4 violations
Driscoll·$42,745 penalties·Last: Mar 19, 2025
OtherKS
Murfin Drilling Company, Inc.
8 inspections · 4 violations
Bird City·$40,168 penalties·Last: Nov 6, 2024
OtherTX
Ard Well Service, Llc
1 inspection · 4 violations
Batson·$12,904 penalties·Last: Jun 6, 2024
OtherTX
Gravity Oilfield Services
3 inspections · 4 violations
Pecos·$6,976 penalties·Last: Mar 25, 2024
RepeatAZ
Cpx2023xjr339x0010 - Pinal Excavating Llc Dba P.e. Drilling
1 inspection · 4 violations
Phoenix·$18,977 penalties·Last: Jul 14, 2023
OtherCO
Jbr Corporation, Inc
1 inspection · 4 violations
Rifle·$13,125 penalties·Last: Nov 4, 2022
OtherTX
Todpat, Llc
1 inspection · 4 violations
Odessa·$11,000 penalties·Last: Sep 9, 2022
OtherKS
Western Well Service, Llc.
2 inspections · 4 violations
Ness City·$9,282 penalties·Last: Jun 21, 2022
OtherLA
Clements Fluids Louisiana Ltd
1 inspection · 4 violations
Minden·$17,242 penalties·Last: Apr 4, 2022
OtherTX
Well Services Inc.
1 inspection · 4 violations
Knott·$9,800 penalties·Last: Jun 10, 2021
OtherTX
Wisco Moran Drilling Company, Inc.
3 inspections · 4 violations
Webster·$2,928 penalties·Last: Oct 26, 2020