Carrier profile · USDOT 811125 · MC-361367 · Updated Jul 18, 2026

TRI-S ENVIRONMENTAL SERVICES INC

8 power unitsLocal · 1 statesELLINGTON, CT100/100
CARRIER ACTIVEMC-361367 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
Inactive

Insurance & bonds

BIPD / liability$4,000,000 in force
Cargo filing (census)Not recorded per census
Surety bond (census)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

$5M BIPD last filed ’25 · 9 insurers · 3 lapsesCoverage lapse
1999200620132020now

Shorter eras are too brief to label at this scale — all 22 insurers are named in the list below.

BIPD in force — $4,000,000 · NAUTILUS INSURANCE COMPANY · since Mar 2025

All 22 insurer eras · dates, limits, renewals
InsurerPeriodLimitRenewals
GREAT DIVIDE INSURANCE COMPANYMar 2024Mar 2025$5M1
NAUTILUS INSURANCE COMPANYMar 2023Mar 2025$5M2
GREAT DIVIDE INSURANCE COMPANYMar 2023Mar 2024$5M1
NAUTILUS INSURANCE COMPANYMar 2022Mar 2023$5M1
GREAT DIVIDE INSURANCE COMPANYMar 2022Mar 2023$5M1
NAUTILUS INSURANCE COMPANYMar 2021Mar 2022$5M1
GREAT DIVIDE INSURANCE COMPANYMar 2020Mar 2022$5M2
NAUTILUS INSURANCE COMPANYMar 2020Mar 2021$5M1
GREAT DIVIDE INSURANCE COMPANYMar 2019Mar 2020$5M1
NAUTILUS INSURANCE COMPANYMar 2019Mar 2020$5M1
NAUTILUS INSURANCE COMPANYMar 2018Mar 2018$5M1
GREAT DIVIDE INSURANCE COMPANYMar 2018Mar 2018$5M1
NAUTILUS INSURANCE COMPANYMar 2018Mar 2019$5M1
GREAT DIVIDE INSURANCE COMPANYMar 2017Apr 2018$5M3
NAUTILUS INSURANCE COMPANYMar 2017Mar 2018$5M1
STARR INDEMNITY & LIABILITY INSURANCE COMPANYApr 2012Mar 2017$5M9
ACE AMERICAN INSURANCE COMPANYApr 2009May 2010$5M1
WESTCHESTER SURPLUS LINES INSURANCE COMPANYApr 2009May 2010$5M1
EMPIRE FIRE & MARINE INSURANCE CO.Feb 2009Apr 2009$5M1
ZURICH AMERICAN INSURANCE COMPANYApr 2004Mar 2007$5M1
GREENWICH INSURANCE COMPANYApr 2000Apr 2004$5M2
RELIANCE NATIONAL INDEMNITY COMPANYApr 1999Oct 2003$5M3