Carrier profile · USDOT 229047 · MC-197435 · Updated Jun 15, 2026

WILLIAMS TANK LINES LLC

DBA WILLIAMS TANK LINES

161 power unitsavg 8.1 yrRegional · 5 statesSTOCKTON, CA88/100

CARRIER ACTIVEMC-197435 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: None
Contract: Active
Broker: Active

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)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 ’26 · 10 insurers · 1 lapseCoverage lapse

National Union’97–’02

American International’97–’00

General Security’00–’08

National Liability’02–’05

Great West’05–’10

Pacific Financial’10–’13

National Interstate’10–’15

Pacific Financial’13–’23

National Interstate’15–’26

1994200220102018now

Shorter eras are too brief to label at this scale — all 14 insurers are named in the list below.

BIPD in force — $750,000 · NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA · since Apr 2026

All 14 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
NATIONAL INTERSTATE INSURANCE COMPANY	Oct 2015 → Apr 2026	$750K	4
PACIFIC FINANCIAL ASSOCIATION, INC.	Oct 2013 → May 2023	$750K	1
PACIFIC FINANCIAL ASSOCIATION, INC.	Oct 2013 → Aug 2010	$750K	1
NATIONAL INTERSTATE INSURANCE COMPANY	Oct 2010 → Oct 2015	$750K	2
PACIFIC FINANCIAL ASSOCIATION, INC.	Aug 2010 → Oct 2013	$750K	1
NATIONAL INTERSTATE INSURANCE COMPANY	Feb 2010 → Oct 2010	$750K	1
GREAT WEST CASUALTY CO.	Feb 2005 → Feb 2010	$750K	2
NATIONAL LIABILITY & FIRE INS CO.	Feb 2002 → Feb 2005	$750K	7
GENERAL SECURITY INSURANCE COMPANY	Feb 2000 → Mar 2008	$750K	1
AMERICAN INTERNATIONAL UNDERWRITERS INS.(AIU)	Feb 1997 → Feb 2000	$750K	1
NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA	Feb 1997 → Feb 2002	$750K	1
THE RELIANCE INSURANCE CO.	Feb 1996 → Feb 1997	$750K	1
RELIANCE NATIONAL INDEMNITY COMPANY	Feb 1995 → Feb 1996	$750K	1
RANGER INS. CO./FAIRMONT SPECIALTY INS. CO.	Feb 1994 → Feb 1995	$750K	1