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ENVIRONMENTAL MAINTENANCE SERVICES INC

DBA BIOSERV

USDOT 693501 · MC-924851 · 10 GRAMAR AVENUE, PROSPECT, CT 06712

100Clear to loadLow riskVektor risk score · 0–100

Generated July 28, 2026 from the live FMCSA / NHTSA record. Decision support — not an FMCSA safety rating or a recommendation to use or avoid any carrier. Verify authority & insurance before tendering.

Watch · 0

Nothing flagged.

In good standing · 4

  • Active operating authority — Active for-hire authority is on file with FMCSA.
  • Insurance on file — BIPD (liability) insurance is on file with FMCSA.
  • Established 29 years — Operating authority has been on file since 1997.
  • Out-of-service rates below national average — Both vehicle and driver OOS rates beat the national benchmark across 25 inspections.

Identity & authority

Operating status
Active
Common authority
Active
Contract authority
None
Broker authority
None
Safety rating
Satisfactory (2002-12-31)
Authority age
29 yr
Registered
1997-06-11
Out-of-service
No
Phone
(203) 758-5550
Email
samantha@bioservusa.com
Website
bioservusa.com
Address
10 GRAMAR AVENUE, PROSPECT, CT 06712

Fleet

Power units
17
Drivers
15
Observed units
8
Avg fleet age
6.1 yr

Insurance

Auto-liability on file
Yes
BIPD limit
$1M
Cargo on file
No
Cargo limit
Bond on file
No
Lapses
0

Safety · trailing 24 months

Vehicle OOS
7.7% (nat'l 22.26%)
Driver OOS
5.3% (nat'l 6.67%)
Inspections
19
Crashes
0
Fatal crashes
0
CSA BASICMeasurePercentileSourceAlert
Unsafe Driving0.6615%Vektor est.
Hours-of-Service0.1211%Vektor est.
Driver Fitness0.3222%Vektor est.
Controlled Substances00%Vektor est.
Vehicle Maintenance3.433%Vektor est.