Carrier profile · USDOT 2431488 · MC-838961 · Updated Jun 13, 2026

Diamond Oil Services LLC

11 power unitsavg 15.7 yrRegional · 3 statesVIENNA, OH86/100

CARRIER ACTIVEMC-838961 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: 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 ’23 · 2 insurers · 1 lapseCoverage lapse

National American’14–’18

National American’19–’23

beyond this history

2013201720212025now

Shorter eras are too brief to label at this scale — all 3 insurers are named in the list below.

BIPD in force — $750,000 · GREAT DIVIDE INSURANCE COMPANY · since Aug 2023

All 3 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
NATIONAL AMERICAN INSURANCE COMPANY	Aug 2019 → Aug 2023	$750K	4
NATIONAL AMERICAN INSURANCE COMPANY	Apr 2014 → Aug 2018	$750K	9
AMERICAN SAFETY CASUALTY INSURANCE COMPANY	Sep 2013 → Apr 2014	$750K	1