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Carrier profile · USDOT 693501 · MC924851 · Data as of Oct 7, 2026

Environmental Maintenance Services Inc

DBA Bioserv · Prospect, CT · Interstate for-hire carrier · Since 1997
Authority active$1M BIPD on fileSatisfactory ratingHazmat
Cargo carriedLiquids/GasesChemicalsPaper ProductsWaste Materials
View on FMCSA SAFERCall (203) 758-5550
17
Power units
15
Drivers
18
Inspections · 24 mo
0
Crashes · 24 mo
416K
Annual miles
29 yr
Registered
100
/ 100
Clear to load

Operating legally with a clean record

Authority and insurance are in order.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
8.3%▼ below avg
National 22.26% · 1 of 12 inspections
Driver out-of-service
5.6%▼ below avg
National 6.67% · 1 of 18 inspections
Crashes
0
0 fatal0 injury0 tow-away
Crash rate 0.00 per 1M mi
Total inspections
18
Driver inspections
18
Vehicle inspections
12
People injured
0
Fatalities
0
FMCSA rating
Satisfactory (2002)

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

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Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026
Carrier
Active
Broker
None
Docket
MC924851
Revocation pending
No
Common Carrier (Property)

Coverage vs federal minimum

BIPD liability$1,000,000
$1M required minimum (49 CFR 387.9)
CargoNot required

Filings on record

  1. May 14, 2025Liability (BIPD) · Key Risk Insurance Company · $1,000,000

Equipment

SELF-REPORTED ON MCS-150
17
Power units
17
Trucks
—
Tractors owned
—
Trailers owned
15
Drivers
0
CDL drivers
Registered to haul hazardous materials.

Operations & cargo

FMCSA CENSUS
InterstatePrivate PropertyAuthorized for Hire
Cargo carried
Liquids/GasesChemicalsPaper ProductsWaste Materials
Annual mileage
415,685 mi (2024)

Identity & federal record

FMCSA census · MCS-150
USDOT
693501
MC / docket
MC-924851
Legal name
Environmental Maintenance Services Inc
DBA
Bioserv
Entity type
Carrier
Operation
Interstate
First registered
Jun 11, 1997
Last MCS-150
Dec 17, 2025
Safety rating
Satisfactory
Drivers (CDL)
15 (0)
Hazmat
Yes
Business type
Corporation

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Shared phone number
Same phone number as 1 other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.
Sharing this phone number · (203) 758-5550

Shared contact details can mean affiliated companies or a registration service, but they are also a common sign of chameleon carriers and identity theft. Confirm you're dealing with the company you expect.

Frequently asked

What is Environmental Maintenance Services Inc's USDOT number?

Environmental Maintenance Services Inc's USDOT number is 693501 and its docket number is MC924851.

Is Environmental Maintenance Services Inc authorized to operate?

Yes. FMCSA shows active carrier operating authority.

What is Environmental Maintenance Services Inc's safety record?

Over the last 24 months: 18 roadside inspections, a 8.3% vehicle and 5.6% driver out-of-service rate, and 0 reportable crashes (0 fatal). FMCSA safety rating: Satisfactory.

How big is Environmental Maintenance Services Inc's fleet?

17 power units and 15 drivers per its MCS-150 filed Dec 17, 2025.

What insurance does Environmental Maintenance Services Inc carry?

$1,000,000 in BIPD liability coverage is on file with Key Risk Insurance Company.

Where is Environmental Maintenance Services Inc located?

Environmental Maintenance Services Inc is located at 10 Gramar Avenue, Prospect, CT, 06712. Phone: (203) 758-5550.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.