Carrier profile · USDOT 1047856 · MC-434201 · Updated Jul 23, 2026

T WILLIAMSON & SONS INC

1 power unitPARKLAND, FL50/100

CARRIER ACTIVEMC-434201 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: None
Contract: Active
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 ’24 · 7 insurers · 0 lapsesInsurer churn

Illinois National’03–’06

Great American’08–’11

Progressive’13–’24

2002200820142020now

Shorter eras are too brief to label at this scale — all 7 insurers are named in the list below.

BIPD in force — $750,000 · GEICO MARINE INSURANCE COMPANY · since Oct 2024

All 7 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
PROGRESSIVE PREFERRED INSURANCE CO.	Aug 2024 → Oct 2024	$750K	2
PROGRESSIVE CASUALTY INSURANCE COMPANY	Aug 2013 → Aug 2024	$750K	1
LANCER INSURANCE COMPANY	Aug 2011 → Aug 2013	$750K	1
GREAT AMERICAN ASSURANCE COMPANY	Aug 2008 → Aug 2011	$750K	1
NATIONAL CASUALTY COMPANY	Aug 2006 → Aug 2008	$750K	2
ILLINOIS NATIONAL INSURANCE CO.	Aug 2003 → Aug 2006	$750K	4
HUDSON INSURANCE COMPANY	Aug 2002 → Aug 2003	$750K	1