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ENVIRONMENTAL MAINTENANCE SERVICES INC
DBA: Bioserv
Prospect, CT
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 693501 · MC 924851
Satisfactory
Active 4 yrs, 4 mo · first granted 2015
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-924851 · Common carrier
Insurance
On File
Key Risk Insurance Company
Safety
Satisfactory
6.3% OOS · 24 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active 4 yrs, 4 mo since reinstatement on June 1, 2022; first granted July 27, 2015 (11 yrs, 2 mo ago)
- Insurance on file: $1,000,000
- FMCSA safety rating: Satisfactory
- Driver out-of-service rate 9.1% — above the 5.5% national average
- Vehicle out-of-service rate 0.0% — below the 20.7% national average
- 24 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC924851
Common Carrier
Insurance on File
KEY RISK INSURANCE COMPANY
BI&PD · $1,000,000 · Policy BAP2037642-13
Required Filings
Liability (BIPD)
$1,000,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
693501
MC Number
MC-924851
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire, Private (property)
MCS-150 Filed
December 17, 2025
FMCSA Registration
June 11, 1997
Authority First Granted
July 27, 2015
Authority Reinstated
June 1, 2022
Annual Mileage
415,685 mi (2024)
Contact Information
Address
10 Gramar Avenue, Prospect, CT 06712
Phone
Email
Owner / Officer
Richard A Ragaini
Cargo Types
Liquids/GasesPaper ProductsChemicalsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
24
Driver Inspections
15
Vehicle Inspections
17
Out-of-Service Violations
2
Violations by Category
Vehicle Maintenance13
Unsafe Driving3
Hours of Service4
OOS Rates vs. National Average
Driver OOS Rate9.1% · national avg 5.5%
⚠ Above national average (3.6pp higher)
Vehicle OOS Rate0.0% · national avg 20.7%
✓ Below national average
6.3% of 16 inspections in the last 24 months put a driver or vehicle out of service —
15th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
5 of 12 inspections
Unsafe Driving
3 of 18 inspections
Hours of Service
3 of 18 inspections
Driver Fitness
2 of 18 inspections
Controlled Substances
0 of 18 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
NY16
CT4
NJ2
PA1
Fleet & Equipment (8)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~8
of 17 reported to FMCSA
Trailers
—
seen at inspection
Equipment types observed
Chassis / Incomplete
6
Truck
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2019 Mitsubishi Fuso FE140 (FECZTS) | Chassis / Incomplete · Class 4 | 4UZBYG117KGKG3752 | 6 | 1 |
| 2014 Ford E-350 | Chassis / Incomplete · Class 3 | 1FDWE3FL4EDA22755 | 4 | 1 |
| 2021 Freightliner M2 | Truck · Class 6 | 3ALACWFC0MDMS2772 | 4 | — |
| 2021 Chevrolet 4500HD | Chassis / Incomplete · Class 4 | JALCDW166M7006145 | 4 | — |
| 2022 Freightliner M2 | Truck · Class 6 | 1FVACWFCXNHNB6312 | 1 | — |
| 2017 Isuzu NPR/NPR-HD | Chassis / Incomplete · Class 4 | 54DC4W1B9HS803650 | 1 | — |
| 2024 Isuzu NPR-HD | Chassis / Incomplete · Class 4 | 54DC4W1DXRS205697 | 1 | — |
| 2021 Chevrolet 4500HD | Chassis / Incomplete · Class 4 | JALCDW161M7006148 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (24)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 30, 2026 | SPTN000028 | NJ, NJ | I | — | — | BIO SERV INC | Straight Truck |
ISUZU |
54DC4W1DXRS205697 |
NJ XSST76 |
| July 8, 2026 | D507902089 | VICTOR NY | I | — | — | — | Straight Truck |
ISUZU |
54DC4W1B9HS803650 |
CT BR31912 |
| June 24, 2026 | SPB3022052 | LAKE PLACID NY | II | 2 | — | WILLIAM LEDER | Straight Truck |
ISUZU |
54DC4W1DXRS205697 |
NJ XSST76 |
| 395.8A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Other Log/Form & Manner | ||||||||
| 392.2-SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g., safety official, signal, sign, light, lane marking, other | Dangerous Driving | ||||||||
| April 15, 2026 | SPC3051571 | WATERTOWN NY | II | 9 | — | ENVIRONMENTAL MAINTENANCE SERVICES INC | Straight Truck |
MITSUBISHI FUSO |
4UZBYG117KGKG3752 |
NY 87286NB |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 395.8A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Other Log/Form & Manner | ||||||||
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 392.2-SLLSIV | State/Local Laws - State insurance violation | |||||||||
| 393.9A-LHLI | Lighting - Headlamp(s) - Any inoperative | Lighting | ||||||||
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 395.8A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Other Log/Form & Manner | ||||||||
| 393.9A-LCL | Lighting - Clearance lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| March 19, 2026 | SPT3101411 | WESTMORELAND NY | III | — | — | — | Straight Truck |
MITSUBISHI FUSO |
4UZBYG117KGKG3752 |
NY 87286NB |
| February 26, 2026 | 3025006241 | FARMINGTON, CT | I | 3 | — | BIOSERV | Straight Truck |
FREIGHTLINER |
3ALACWFC0MDMS2772 |
NY 46570NE |
| 392.2-SLLLR | State/Local Laws - Lane restriction violation | Misc Violations | ||||||||
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| 393.25A-L | Lighting - Lamps (other than headlamps), not securely mounted | Lighting | ||||||||
| December 30, 2025 | 0511000713 | HADDAM, CT | III | — | — | BIO SERV | Straight Truck |
FREIGHTLINER |
3ALACWFC0MDMS2772 |
NY 46570NE |
| November 26, 2025 | SPE3061259 | VICTOR NY | I | 1 | 1 | VOLUNTEERS OF AMERICA | Straight Truck |
MITSUBISHI FUSO |
4UZBYG117KGKG3752 |
NY 35967MN |
| 391.41APC | OOSMedical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Medical Certificate | ||||||||
| July 16, 2025 | SPA3090167 | HASTINGS NY | II | — | — | NORTH COUNTRY ORTHOPAEDIC | Straight Truck |
MITSUBISHI FUSO |
4UZBYG117KGKG3752 |
NY 87286NB |
| April 24, 2025 | 3065A99999 | WATERFORD SCALE, CT | I | 2 | — | COMPLETE WOUND CARE | Straight Truck |
FREIGHTLINER |
3ALACWFC0MDMS2772 |
NY 46570NE |
| 396.3A1-ALBV | Air Brake - Any leak from a brake valve | Brakes All Others | ||||||||
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| RIVER HOSPITAL | 2 | February 20, 2025 |
| WILLIAM LEDER | 1 | June 24, 2026 |
| VOLUNTEERS OF AMERICA | 1 | November 26, 2025 |
| NORTH COUNTRY ORTHOPAEDIC | 1 | July 16, 2025 |
| COMPLETE WOUND CARE | 1 | April 24, 2025 |
| MULTIPLE SHIPPERS, 3 PICKUPS HAZ MAT | 1 | September 5, 2024 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| June 1, 2022 | REINSTATED | Common Carrier |
| May 23, 2022 | REVOKED | Common Carrier |
| May 14, 2021 | DISCONTINUED REVOCATION | Common |
| April 19, 2021 | INVOLUNTARY REVOCATION | Common |
| May 15, 2020 | DISCONTINUED REVOCATION | Common |
| April 17, 2020 | INVOLUNTARY REVOCATION | Common |
| May 14, 2019 | DISCONTINUED REVOCATION | Common |
| April 17, 2019 | INVOLUNTARY REVOCATION | Common |
| November 26, 2018 | REINSTATED | Common Carrier |
| November 13, 2018 | REVOKED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| May 14, 2025 | BI&PD Primary/Excess | On file |
| April 18, 2022 | COMMON | On Record |
| October 11, 2018 | COMMON | On Record |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 4, 2026.
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