Carrier profile · USDOT 2972906 · MC-210171 · Updated Jun 13, 2026

John W Riddle

0 power unitsSTAMFORD, CT50/100
CARRIER INACTIVEMC-210171 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
Inactive
Contract
None
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

$1.5M BIPD last filed ’23 · 10 insurers · 1 lapseCoverage lapse
1992200120102019now

Shorter eras are too brief to label at this scale — all 11 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This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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 11 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
PROGRESSIVE CASUALTY INSURANCE COMPANYFeb 2021Apr 2023$1.5M1
NORTHLAND INSURANCE COMPANYMay 2016Feb 2021$1.5M6
NORTHLAND INSURANCE COMPANYFeb 2014Mar 2014$1.5M1
HARTFORD ACCIDENT AND INDEMNITY CO.Feb 2009Feb 2014$1.5M1
NATIONAL CASUALTY COMPANYFeb 2006Feb 2009$1.5M3
LIBERTY MUTUAL INSURANCE CO.Aug 2005Feb 2006$1.5M4
WESTPORT INSURANCE CORPORATIONJul 2003Jul 2005$1.5M2
HARTFORD FIRE INSURANCE COMPANYJul 2001Jul 2003$1.5M1
ONEBEACON AMERICA INSURANCE COMPANYJul 2000Jul 2001$1.5M2
UNITED STATES FIRE INSURANCE CO.Jul 1998Aug 2000$1.5M2
ST. PAUL FIRE & MARINE INSURANCE CO.Jul 1992Aug 1998$1.5M1