Carrier profile · USDOT 533041 · MC-265964 · Updated Jul 18, 2026

DB MAINPRIZE TRANSPORT CO

DBA D B MAINPRIZE TRANSPORT CO

1 power unitavg 9.8 yrRegional · 3 statesTHAYER, MO50/100
CARRIER ACTIVEMC-265964 ACTIVE
Verified linksFMCSA SAFER

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
Inactive
Broker
None

Insurance & bonds

BIPD / liability$1,000,000 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

$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

$750K BIPD last filed ’16 · 4 insurers · 1 lapseCoverage lapse
1993200220112020now

Shorter eras are too brief to label at this scale — all 5 insurers are named in the list below.

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Jun 2024

All 5 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
GREAT WEST CASUALTY CO.Dec 2009 → May 2016$750K1
OOIDA RISK RETENTION GROUP, INC.Mar 2000 → Dec 2009$750K2
OOIDA RISK RETENTION GROUP, INC.Dec 1996 → Dec 1996$750K3
EMPIRE FIRE & MARINE INSURANCE CO.Dec 1995 → Dec 1996$750K1
HARCO NATIONAL INSURANCE CO.Dec 1993 → Jan 1996$750K2