Carrier profile · USDOT 1532101 · MC-570828 · Updated Jun 13, 2026

STEVEN R THERRIAN

DBA SUPERIOR SERVICE TOWING

14 power unitsavg 7.6 yrLocal · 2 statesHOUGHTON, MI94/100
CARRIER ACTIVEMC-570828 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
None
Contract
Active
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 ’18 · 6 insurers · 1 lapseCoverage lapse
2006201120162021now

Shorter eras are too brief to label at this scale — all 8 insurers are named in the list below.

BIPD in force — $1,000,000 · FREMONT INSURANCE COMPANY · since Jan 2018

All 8 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
NATIONAL INDEMNITY COMPANYFeb 2015Jan 2018$750K11
CONIFER INSURANCE COMPANYFeb 2014Feb 2015$750K1
NORTH POINTE INSURANCE COMPANYJun 2013Jan 2014$750K3
NORTH POINTE INSURANCE COMPANYJan 2013Jan 2013$750K2
PROGRESSIVE MICHIGAN INSURANCE COMPANYJul 2012Mar 2013$750K1
EMPLOYERS MUTUAL CASUALTY CO.Dec 2011Jul 2012$750K1
NAVIGATORS INSURANCE COMPANYDec 2009Dec 2011$750K1
PROGRESSIVE MICHIGAN INSURANCE COMPANYJul 2006Dec 2009$750K1