Carrier profile · USDOT 690623 · MC-320306 · Updated Jun 13, 2026
Mark Brinkerhoff
DBA MK TRUCKING
2 power unitsMT PLEASANT, UT50/100
CARRIER ACTIVEMC-320306 ACTIVERATED CONDITIONALHAZMAT
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$1,000,000 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
$1M in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$1M BIPD last filed ’22 · 5 insurers · 0 lapsesInsurer churn
Wilshire’02–’20
1997200520132021now
Shorter eras are too brief to label at this scale — all 5 insurers are named in the list below.
BIPD in force — $1,000,000 · UNITED FINANCIAL CASUALTY COMPANY · since Oct 2022
All 5 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| UNITED FINANCIAL CASUALTY COMPANY | Jan 2020 → Oct 2022 | $1M | 1 |
| WILSHIRE INSURANCE COMPANY | Jan 2002 → Jan 2020 | $1M | 1 |
| TRANSGUARD INSURANCE COMPANY OF AMERICA INC. | Jan 2000 → Jan 2002 | $1M | 1 |
| PROGRESSIVE CASUALTY INSURANCE COMPANY | Nov 1999 → Jan 2000 | $1M | 1 |
| SENTRY SELECT INSURANCE COMPANY | May 1997 → Dec 1999 | $1M | 2 |