Carrier profile · USDOT 693306 · MC-355958 · Updated Jun 13, 2026

504375 NB LTD

DBA F M CARSON & SONS

6 power unitsOLD RIDGE, NB50/100
CARRIER INACTIVEMC-355958 INACTIVE
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
None
Contract
Inactive
Broker
None

Insurance & bonds

BIPD filing (census)Not recorded per census
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’12 · 1 insurer · 1 lapseCoverage lapse
1998200520122019now

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

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

All 2 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
RANGER INS. CO./FAIRMONT SPECIALTY INS. CO.May 1999 → May 2012$750K1
RANGER INS. CO./FAIRMONT SPECIALTY INS. CO.May 1998 → May 1998$750K2