Carrier profile · USDOT 554371 · MC-383794 · Updated Jun 13, 2026

Diamond Oil Company

18 power unitsRegional · 3 statesDES MOINES, IA82/100

CARRIER ACTIVEMC-383794 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: None

Insurance & bonds

BIPD / liability$4,000,000 in force

Cargo filing (census)Recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$4M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $4M 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

Federated’01–’18

Great West’02–now

Employers’19–’23

2000200720142021now

Shorter eras are too brief to label at this scale — all 6 insurers are named in the list below.

BIPD in force — $4,000,000 · FEDERATED MUTUAL INSURANCE CO. · since Dec 2001

All 6 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
EMPLOYERS MUTUAL CASUALTY CO.	Nov 2019 → Dec 2023	$750K	1
EMCASCO INSURANCE COMPANY	Dec 2018 → Nov 2019	$750K	1
GREAT WEST CASUALTY CO.	Jan 2002 → current	$750K	2
FEDERATED MUTUAL INSURANCE CO.	Dec 2001 → Dec 2018	$750K	1
GREAT WEST CASUALTY CO.	Jun 2001 → Jan 2002	$750K	2
EMCASCO INSURANCE COMPANY	May 2000 → Jun 2001	$750K	1