Carrier profile · USDOT 222303 · MC-154255 · Updated Jun 13, 2026

ROCK TRANSFER & STORAGE INC

27 power unitsavg 5.7 yrMulti-region · 9 statesMILWAUKEE, WI87/100

CARRIER ACTIVEMC-154255 ACTIVERATED SATISFACTORYHAZMAT

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: Active
Broker: Inactive

Insurance & bonds

BIPD / liability$1,000,000 in force

Cargo filing (census)Recorded per census

Surety bond (census)Not recorded per census

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

$1M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $1M 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

$1M BIPD last filed ’25 · 5 insurers · 0 lapsesInsurer churn

Great West’92–’07

Northland’11–’18

National Interstate’18–’24

1992200120102019now

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

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Sep 2025

All 6 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
ACUITY, A MUTUAL INSURANCE COMPANY	Sep 2024 → Sep 2025	$1M	2
NATIONAL INTERSTATE INSURANCE COMPANY	Jan 2018 → Sep 2024	$1M	4
NORTHLAND INSURANCE COMPANY	Jan 2011 → Feb 2018	$1M	2
GREAT WEST CASUALTY CO.	Jan 2008 → Jan 2011	$1M	2
LIBERTY MUTUAL FIRE INSURANCE CO.	Jan 2007 → Jan 2008	$1M	1
GREAT WEST CASUALTY CO.	Jan 1992 → Jan 2007	$1M	2