Carrier profile · USDOT 2561516 · MC-985951 · Updated Jun 13, 2026

AMBORN STONE LLC

DBA AMBORN STONE

6 power unitsLocal · 2 statesLOUISBURG, KS50/100

CARRIER ACTIVEMC-985951 ACTIVEHAZMAT

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 ’24 · 2 insurers · 0 lapsesContinuous

Acuity A’17–’19

Cincinnati’19–’24

beyond this history

201720202023now

Shorter eras are too brief to label at this scale — all 2 insurers are named in the list below.

BIPD in force — $750,000 · EMPLOYERS MUTUAL CASUALTY CO. · since Nov 2024

All 2 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
THE CINCINNATI INDEMNITY COMPANY	May 2019 → Nov 2024	$750K	1
ACUITY, A MUTUAL INSURANCE COMPANY	Mar 2017 → Jul 2019	$750K	2