ENVIRONMENTAL MAINTENANCE SERVICES INC
USDOT 693501 · Doing business as BIOSERV
Active, interstate carrier, small fleet (17 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate10.5% vs 19.1% national avg
- Linked registrations1 share this carrier's phone or address
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 693501 |
|---|---|
| MC Number | MC-924851 |
| Legal Name | ENVIRONMENTAL MAINTENANCE SERVICES INC |
| DBA Name | BIOSERV |
| Entity Type | CORPORATION |
| Phone | 2037585550 |
| Address | 10 GRAMAR AVENUE, Prospect, CT, 06712 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20021231) |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 81 / 100 |
|---|---|
| Hours-of-Service Compliance | 83 / 100 |
| Driver Fitness | 88 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 74 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 19 |
|---|---|
| Out-of-Service Rate | 10.5% vs 19.1% national average |
Most frequent violation categories: 20 (8), 50 (4), 12 (3).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Signals
Linked registrations
1 other active carrier registration share this carrier's phone or address in FMCSA records.
Shared contact details can have many ordinary explanations, such as a shared dispatch service, registration agent, or office address.
Equipment
Fleet & operations
| Power Units (trucks) | 17 |
|---|---|
| Drivers | 15 |
| Recent Annual Mileage | 415,685 |
| Last MCS-150 Filing | 17-DEC-25 |
ENVIRONMENTAL MAINTENANCE SERVICES INC operates 17 power units — a larger fleet than 98% of carriers registered in CT.
Nearby
Other carriers in Prospect, CT
- MCALLEN CONSTRUCTION INC — USDOT 663684, 36 power units
- HIGHLINE RIGGERS LLC — USDOT 1091617, 23 power units
- ED THE TREEMAN LLC — USDOT 1057321, 12 power units
- AWM ENTERPRISES LLC — USDOT 697486, 7 power units
- TOM LAWLOR AND SONS CONSTRUCTION LLC — USDOT 655707, 6 power units
Browse all carriers in Prospect, CT or all CT carriers.