Public FMCSA profile
COS LLC
USDOT 2496282 - Williston, ND - FMCSA Entity
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Company Snapshot
ActiveOperating status
1Active dockets
1Insurance filingsBERKLEY REGIONAL INSURANCE COMPANY
SSafety rating
Identity And Contact
- Legal name
- COS LLC
- DBA
- CASTLE OILFIELD SERVICES
- USDOT
- 2496282
- MC/MX/FF
- 1376430
- Dockets
- MC1376430 (A)
- Entity type
- AUTHORIZED FOR HIRE
- Operating status
- Active
- Business address
- 501 48TH AVE W, WILLISTON, ND
- Phone
- 7015721832
- castleoil.bookkeeping@gmail.com
- Company officer
- PENNY BROWN
- MCS-150 date
- 2026-01-29
- DOT add date
- 2014-04-16
Authority And Registration
- Carrier operation
- A
No stored Motus authority rows are available for this profile.
Insurance And Bond Filings
- Current filing evidence
- 91X / 1
- Insurer or surety
- BERKLEY REGIONAL INSURANCE COMPANY
- Policy number
- ECA3150008-13
- Coverage
- $1,000,000
| Docket | Form | Status | Insurer | Coverage | Effective |
|---|---|---|---|---|---|
| MC1376430 | 91X | 1 | BERKLEY REGIONAL INSURANCE COMPANY | $1,000,000 | 0304-20-22 |
Safety And Operations
- Safety rating
- S
- Power units
- 20
- Drivers
- 19
- Annual mileage
- 251,164 (2025)
- Recordable crash rate
- 0.000
- Operation class
- AUTHORIZED FOR HIRE
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Last local record update: 2026-09-29T07:37:03.598Z. LongMile is independent and is not affiliated with FMCSA, USDOT, or SAM.gov. Verify important information at the source before acting.