Reading FMCSA records…

Cos LLC, USDOT 2496282: authority, insurance, safety | Yolda

Active for-hire carrier

Cos LLC

Doing business as Castle Oilfield Services

USDOT 2496282MC 1376430

Active
Carrier
Shipper

Williston, ND(701) 572-1832

Yolda check

ReviewWorth a closer look before booking

Above FMCSA's intervention threshold for driver fitness.
Driver out-of-service rate of 50.0% is above the national 6.1%.
Vehicle out-of-service rate of 66.7% is above the national 22.6%.

Read from FMCSA records as of Oct 24, 2026. Decision support, not an FMCSA safety rating.

Company facts

USDOT registered: Apr 16, 2014 (12 years)
Operation: Interstate
Carrier type: For-hire
Power units: 20
Drivers: 19
Annual miles: 251,164 (2025)
Registration (MCS-150) updated: Jan 29, 2026
FMCSA safety rating: Satisfactory (Apr 3, 2026)

Operating authority

Docket	For-hire	Broker	Liability insurance	Broker bond
MC1376430	Active	None	$1,000,000 on file	Not required

Authority, insurance filings and history

Safety, last 24 months

Roadside inspections: 8
Driver out-of-service rate: 50.0% (national 6.1%)
Vehicle out-of-service rate: 66.7% (national 22.6%)
Crashes: 3 (0 fatal, 2 injury)

Full safety record

Freight hauled

Liquids and gases
Oilfield equipment

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