Fleet typeIdentity
Small fleet
17 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 693501 · MC-924851 · Updated Jul 26, 2026
Environmental Maintenance Services Inc
DBA BIOSERV
17 power unitsavg 6.1 yrRegional · 4 statesPROSPECT, CT100/100
CARRIER ACTIVEMC-924851 ACTIVERATED SATISFACTORYHAZMAT
Observed fleet · trailing 24 mo daily
17Power units
8 observed · MCS-150
—Trailers seen
None observed · 24 mo
6.1Avg age (yr)
2014–2024 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Jul 26, 2026
Clear to load
Active authority and a clean federal record. No blocking issues found.
Watch · 0
Nothing flagged.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 29 yearsOperating authority has been on file since 1997.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 25 inspections.
USDOT registration2929 yr registered
Active for-hireInsurance (BIPD)$1M in force
FMCSA L&IVehicle OOS · 24-mo8.3%
▼ 22.26% nat'lCrashes · fatal00
Clean · 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
6.1 yr
Model years 2014–2024 · peer benchmark unavailable.
Identity stabilityStable
29 yr unchanged
Same registration since 1997 — no chameleon / reincarnation signal.
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Verification summary
ENVIRONMENTAL MAINTENANCE SERVICES INC (USDOT 693501) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jul 26, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I as of Jul 26, 2026.
It has an active BIPD insurance filing with a $1,000,000 limit in force from KEY RISK INSURANCE COMPANY effective May 14, 2025 in FMCSA L&I's current snapshot as of Jul 26, 2026.
Its vehicle out-of-service rate was 8.3% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jul 26, 2026.
The carrier received 18 roadside inspections in the last 24 months — 12 vehicle-level and 18 driver-level — across 4 states, according to FMCSA roadside-inspection data refreshed Jul 26, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jul 26, 2026.
It reports 17 power units and 15 drivers in its most recent MCS-150 filing dated Dec 17, 2025.
It has an FMCSA safety rating of Satisfactory assigned Dec 31, 2002 in the federal record refreshed Jul 26, 2026.
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Frequently asked
What is ENVIRONMENTAL MAINTENANCE SERVICES INC's USDOT number?
ENVIRONMENTAL MAINTENANCE SERVICES INC's USDOT number is 693501, and its motor carrier number is MC-924851.
Is ENVIRONMENTAL MAINTENANCE SERVICES INC authorized to operate?
As of Jul 26, 2026, ENVIRONMENTAL MAINTENANCE SERVICES INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is ENVIRONMENTAL MAINTENANCE SERVICES INC's safety record?
ENVIRONMENTAL MAINTENANCE SERVICES INC has a 8.3% vehicle out-of-service rate (national average 22.26%) across 25 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 100/100 (tier: clear).
How big is ENVIRONMENTAL MAINTENANCE SERVICES INC's fleet?
ENVIRONMENTAL MAINTENANCE SERVICES INC operates 17 power units and 15 drivers per its most recent MCS-150 filing.
Where is ENVIRONMENTAL MAINTENANCE SERVICES INC based?
ENVIRONMENTAL MAINTENANCE SERVICES INC is based in PROSPECT, CT, with roadside inspections recorded across 4 states.
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