Carrier profile · USDOT 1472965 · MC-576517 · Updated Jun 13, 2026

WILLIAM L SARK

DBA BST

6 power unitsavg 11.5 yrLocal · 2 statesARGILLITE, KY100/100

CARRIER ACTIVEMC-576517 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: None
Contract: Active
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 · 5 insurers · 0 lapsesInsurer churn

Occidental Fire’06–’09

United Financial’09–’13

Great West’15–’24

2006201120162021now

Shorter eras are too brief to label at this scale — all 6 insurers are named in the list below.

BIPD in force — $750,000 · ACUITY, A MUTUAL INSURANCE COMPANY · since Sep 2025

All 6 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
UNITED FINANCIAL CASUALTY COMPANY	Sep 2024 → Sep 2025	$750K	1
GREAT WEST CASUALTY CO.	Sep 2015 → Sep 2024	$750K	2
NORTHLAND INSURANCE COMPANY	Sep 2014 → Oct 2015	$750K	3
STRATFORD INSURANCE COMPANY	Sep 2013 → Sep 2014	$750K	1
UNITED FINANCIAL CASUALTY COMPANY	Sep 2009 → Sep 2013	$750K	1
OCCIDENTAL FIRE AND CASUALTY CO. OF N.C.	Sep 2006 → Sep 2009	$750K	1