Carrier profile · USDOT 2527337 · MC-883186 · Updated Jun 13, 2026

Black Rock Mine Service LLC

28 power unitsLocal · 1 statesGILLETTE, WY50/100

CARRIER ACTIVEMC-883186 ACTIVE

Authority & Insurance

Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: None
Broker: None

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’25 · 4 insurers · 0 lapsesInsurer churn

Ohio Security’14–’18

Arch’18–’20

Imperium’20–’25

2014201720202023now

Shorter eras are too brief to label at this scale — all 4 insurers are named in the list below.

BIPD in force — $750,000 · NATIONAL INTERSTATE INSURANCE COMPANY · since Apr 2025

All 4 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
IMPERIUM INSURANCE COMPANY	Jul 2020 → Apr 2025	$750K	2
EVEREST NATIONAL INSURANCE COMPANY	Mar 2020 → Jul 2020	$750K	1
ARCH INSURANCE COMPANY	Mar 2018 → Apr 2020	$750K	3
OHIO SECURITY INSURANCE COMPANY	Jul 2014 → Mar 2018	$750K	1