Carrier profile · USDOT 906762 · MC-393401 · Updated Jun 13, 2026
ENVIRONMENTAL CONCEPTS & SERVICES INC
DBA ECS
5 power unitsGREENBRIER, TN50/100
CARRIER INACTIVEMC-393401 INACTIVEHAZMAT
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
- Inactive
- Broker
- None
Insurance & bonds
BIPD filing (census)Not recorded per census
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance continuity· insurer · policy · lapses
$1M BIPD last filed ’24 · 8 insurers · 0 lapsesInsurer churn
2000200720142021now
Shorter eras are too brief to label at this scale — all 18 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.
All 18 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| KEY RISK INSURANCE COMPANY | Sep 2022 → Dec 2024 | $1M | 1 |
| NAUTILUS INSURANCE COMPANY | Sep 2019 → Dec 2024 | $1M | 1 |
| GREAT DIVIDE INSURANCE COMPANY | Sep 2015 → Sep 2022 | $1M | 2 |
| NAUTILUS INSURANCE COMPANY | Sep 2015 → Sep 2019 | $1M | 1 |
| MARKEL INSURANCE COMPANY | Sep 2014 → Sep 2015 | $1M | 1 |
| ACE PROPERTY AND CASUALTY INSURANCE COMPANY | Sep 2012 → Sep 2014 | $1M | 2 |
| SCOTTSDALE INDEMNITY COMPANY | Sep 2008 → Sep 2012 | $1M | 4 |
| NATIONAL CASUALTY COMPANY | Sep 2007 → Sep 2008 | $1M | 1 |
| AMERICAN EMPIRE SURPLUS LINES INSURANCE CO. | Aug 2007 → Aug 2008 | $1M | 1 |
| NATIONAL CASUALTY COMPANY | Sep 2006 → Sep 2007 | $1M | 1 |
| AMERICAN EMPIRE SURPLUS LINES INSURANCE CO. | Aug 2006 → Aug 2007 | $1M | 1 |
| NATIONAL CASUALTY COMPANY | Sep 2005 → Sep 2006 | $1M | 1 |
| AMERICAN EMPIRE SURPLUS LINES INSURANCE CO. | Aug 2005 → Aug 2006 | $1M | 1 |
| NATIONAL CASUALTY COMPANY | Sep 2004 → Sep 2005 | $1M | 1 |
| AMERICAN EMPIRE SURPLUS LINES INSURANCE CO. | Aug 2004 → Aug 2005 | $1M | 1 |
| NATIONAL CASUALTY COMPANY | Sep 2003 → Sep 2004 | $1M | 1 |
| AMERICAN EMPIRE SURPLUS LINES INSURANCE CO. | Apr 2003 → Aug 2004 | $1M | 2 |
| NATIONAL CASUALTY COMPANY | Oct 2000 → Sep 2003 | $1M | 3 |