Carrier profile · USDOT 4473629 · MC-1547581 · Updated Jun 13, 2026

Sigma Squared Transport Corporation

2 power unitsavg 7 yrRegional · 3 statesSIOUX FALLS, SD50/100

CARRIER ACTIVEMC-1547581 ACTIVE

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$750,000 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

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K 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 ’25 · 2 insurers · 0 lapsesContinuous

United Financial’23–’25

beyond this history

2023202420252026now

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

BIPD in force — $750,000 · ACCREDITED SPECIALTY INSURANCE COMPANY · since Nov 2025

All 2 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
CANAL INSURANCE CO.	Sep 2025 → Nov 2025	$750K	1
UNITED FINANCIAL CASUALTY COMPANY	Aug 2023 → Sep 2025	$750K	1