DBA: CASTLE OILFIELD SERVICES

COS LLC

DOT 2496282 MC 1376430 Active

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Authority

Common Carrier

Active
Safety
20 inspections

Vehicle OOS: 120.0% (avg 20.7%)

Driver OOS: 77.78% (avg 5.5%)

Fleet
20 units

Drivers: 19

Trailers: 0 (0 owned)

Insurance
BIPD $1,000,000
Cargo On File
Bond —
Community

No reviews yet

Company Details

Physical Address

501 48TH AVE W, WILLISTON, ND, 58801

Phone Number

(701) 572-1832

Mailing Address

PO BOX 1472, WILLISTON, ND, 58802

Cell Phone

----

Email Address

[email protected]

Fax Number

----

Business Organization

LLC

Operational Classification

AUTHORIZED FOR HIRE

Record Changes

Changes detected on this company's public FMCSA record over the last 2 years (legal name, DBA, phone, email, addresses, authority, insurance on file)

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Authority & Compliance

Operating Status: Active

Authority Status

Common Carrier

Active
4 yrs, 4 mo

Contract Carrier

—
—

Broker

—
—

Authority History

Date Action Type Status
2022-03-16 — MOTOR PROPERTY COMMON CARRIER ACTIVE

Revocation History

No revocation history on record for this carrier.

Insurance & Bond Information

Current insurance coverage and bond requirements by authority type

BIPD Insurance

Bodily Injury & Property Damage

Active

Required for carriers transporting goods. Covers accidents and property damage.

On File: $1,000,000
Required: $1,000,000
Cargo Insurance

Cargo Liability Coverage

On File

Covers loss or damage to goods being transported.

Status: On File
Required: Yes
Bond Coverage

Broker/Freight Forwarder Bond

—

Required for brokers/freight forwarders ($75K minimum).

Status: Not Required
Required: No (Carriers exempt)
Insurance Requirements by Authority Type

For Profit Carrier

  • BIPD: $750,000 - $5,000,000 (varies by cargo)
  • Cargo: Varies by commodity
  • Bond: Not required

Broker/Freight Forwarder

  • BIPD: May be required
  • Cargo: Not typically required
  • Bond: $75,000 minimum

Insurance Filing History

Effective Date Type Policy # Coverage Insurer Cancel Date Method Status
2022-03-04 BIPD/Primary ECA3150008-13 $1,000,000 BERKLEY REGIONAL INSURANCE CO… - - ACTIVE

Safety Performance

Safety rating: Satisfactory

Vehicle OOS Rate

120.0%

National avg: 20.72%

Above average

20 inspections · 24 OOS

Driver OOS Rate

77.78%

National avg: 5.51%

Above average

9 inspections · 7 OOS

Hazmat OOS Rate

-

No hazmat inspections

Total inspections: 20 Last inspection: Apr 18, 2026 Total crashes: 5

FMCSA Inspection Records (20 total)

Detailed inspection history and violations

Apr 18, 2026

TR04008638

17 viol. 5 OOS
Level 1 ND KENWORTH 1NKWL4EX...

Apr 9, 2025

HP44001961

2 viol.
Level 2 ND KENWORTH 1NKWL4EX...

Feb 24, 2025

HP15000531

1 viol.
Level 3 ND KENWORTH 1XKDDB9X...

Feb 1, 2025

TJSR000592

15 viol. 5 OOS
Level 1 WY RAM 3C6UR5NL...

Feb 1, 2025

TJSR000591

11 viol. 4 OOS
Level 1 WY GMC 3GTUUBE8...

Feb 1, 2025

TJSR000590

27 viol. 9 OOS
Level 2 WY IDEC 5721DEC0...

Jan 10, 2025

TR04008430

4 viol.
Level 2 ND FREIGHTLIN 3ALACWDT...

Dec 3, 2024

HP15000465

1 viol. 1 OOS
Level 3 ND KENWORTH 1NKWL4EX...

Aug 22, 2024

5820000572

2 viol. 1 OOS
Level 3 SD WATSON GXHTA201...

Aug 14, 2024

TR81001162

4 viol.
Level 2 ND PETERBILT 1XPFDBEX...

Jul 26, 2024

FT39000542

1 viol.
Level 2 ND KENWORTH 1NKDXBEX...

Jul 9, 2024

V241468825

9 viol. 3 OOS
Level 2 TX FORD 1FT8W3BT...

Jun 24, 2024

U291000331

1 viol. 1 OOS
Level 2 MT KENWORTH 1NKDXBEX...

Jun 3, 2024

HP54007950

5 viol. 1 OOS
Level 1 ND KENWORTH 1XKDP4EX...

May 16, 2024

FT55001372

8 viol. 1 OOS
Level 2 ND WATSON GXHTA201...
Total Inspections

20

Across all inspection types

Vehicle Inspections

20

FMCSA Accident/Crash Records (5 total)

Detailed accident history and severity information

A portion of FMCSA crash records are reported without a carrier identifier and cannot be attributed to a specific company, so they are not shown on individual profiles. The figures below reflect only the crashes FMCSA links to this carrier.

May 17, 2026

ND • ND0001181550

Injury

Fatal

0

Injury

1

Tow

Yes

Apr 15, 2026

MT • MT2650218198

Tow Away

Fatal

0

Injury

0

Tow

Yes

Nov 18, 2025

ND • ND0001174757

Injury

Fatal

0

Injury

1

Tow

Yes

Jul 29, 2024

ND • ND0001155938

Tow Away

Fatal

0

Injury

0

Tow

Yes

Jul 19, 2023

ND • ND0001141397

Tow Away

Fatal

0

Injury

0

Tow

Yes
Fatal Crashes

0

Injury Crashes

2

Total Crashes

5

SMS Safety Analysis

BASIC category violations from FMCSA Safety Measurement System

79

Total BASIC Violations

Data from FMCSA SMS

Unsafe Driving

OK
Violations: 3
OOS: 0

Hours-of-Service Compliance

OK
Violations: 3
OOS: 3

Vehicle Maintenance

Warning
Violations: 65
OOS: 24

Controlled Substances/Alcohol

OK
Violations: 0
OOS: 0

Driver Fitness

OK
Violations: 8
OOS: 4

Hazardous Materials Compliance

OK
Violations: 0
OOS: 0

BASIC Categories

Unsafe Driving - Speeding, reckless driving
HOS Compliance - Hours of service violations
Vehicle Maintenance - Brakes, lights, tires
Controlled Substances/Alcohol - Drug/alcohol violations
Driver Fitness - Licensing, medical certs
Hazardous Materials Compliance - Hazardous materials

Industry Benchmark

Compare this carrier's metrics against industry expectations

Inspections

Based on reported mileage

20
Expected: 20 - 200 Within Range

Inspections

Based on power units

0
Expected: 80 - 220 Below Range

Power Units

Based on reported mileage

20
Expected: 50 - 250 Small Fleet

Equipment & Drivers

Fleet size, equipment ownership, and driver counts

Tractors

20

3 owned

Trailers

0

0 owned

Drivers

Total Drivers

19

CDL Drivers: 14
Interstate: 19
Intrastate: 0
Driver Inspections

9

Out of Service: 7
OOS Rate: 77.78%
Driver Distribution
Interstate (>100 mi): 0
Interstate (<100 mi): 19
Intrastate (>100 mi): 0
Intrastate (<100 mi): 0

Cargo & Operations

Cargo types hauled and operational classifications

Cargo Carried

Liquids/Gases Oilfield

Operation Type

Interstate

Business Organization

LLC

Classification Categories

AUTHORIZED FOR HIRE

Operational Classification

Equipment Overview

20

Power Units

20

Trucks

0

Buses

0

Commercial Vehicles

Ratings & Reviews

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