Carrier profile · USDOT 3381995 · MC-1085614 · Updated Jun 13, 2026
CORNERSTONE UNLIMITED INC
6 power unitsavg 7.9 yrLocal · 1 statesCHICAGO HEIGHTS, IL86/100
CARRIER ACTIVEMC-1085614 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
- None
- 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
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’23 · 2 insurers · 0 lapsesContinuous
Berkshire Hathaway’21–’23
beyond this history2020202220242026now
Shorter eras are too brief to label at this scale — all 2 insurers are named in the list below.
BIPD in force — $750,000 · WEST BEND MUTUAL INSURANCE CO. · since Feb 2023
All 2 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPAN | Feb 2021 → Feb 2023 | $750K | 6 |
| ARTISAN & TRUCKERS CASUALTY COMPANY | Feb 2020 → Mar 2021 | $750K | 2 |