Carrier profile · USDOT 2957603 · MC-2814 · Updated Jun 13, 2026

THADDEUS SPENCER

DBA TADCO TRANSPORT

1 power unitsavg 7 yrLocal · 2 statesCORVALLIS, OR88/100

CARRIER ACTIVEMC-2814 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: None
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 · 4 insurers · 0 lapsesInsurer churn

Artisan Truckers’17–’18

National Liability’18–’19

Great West’20–now

201720202023now

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 May 2024

All 5 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
GREAT WEST CASUALTY CO.	Jan 2020 → May 2024	$750K	1
ARTISAN & TRUCKERS CASUALTY COMPANY	Jun 2019 → Jan 2020	$750K	2
NATIONAL LIABILITY & FIRE INS CO.	Jun 2018 → Jun 2019	$750K	1
ARTISAN & TRUCKERS CASUALTY COMPANY	Apr 2017 → Jun 2018	$750K	1
CONTINENTAL DIVIDE INSURANCE COMPANY	Jan 2017 → May 2017	$750K	2