FMCSA Carrier Profile
DROCK TRUCKING INC
Dayville, CT
Active
Authority Active
No Safety Rating
Active 28 yrs, 1 mo
Authority
Active
MC-341839 · Common carrier
Insurance
On File
$750,000 BIPD
Safety
Not Rated
16.7% OOS · 6 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 28 yrs, 1 mo
- Insurance on file: $750,000
- Vehicle out-of-service rate 33.3% — above the 20.7% national average
- 6 FMCSA inspections on record
Operating Authority
MC341839
Contract Carrier
Insurance on File
MIDDLESEX INSURANCE CO.
BI&PD · $750,000 · Policy A0186855001
Required Filings
Liability (BIPD)
$750,000
FMCSA Registration
DOT Number
594535
MC Number
MC-341839
Operating Status
Active
Safety Rating
Not Rated
Entity Type
Corporation
MCS-150 Filed
September 10, 2025
FMCSA Registration
March 21, 1995
Authority Granted
July 22, 1998
Annual Mileage
597,812 mi (2024)
Contact Information
Address
59 Stone Road, Dayville, CT 06241
Phone
Email
Owner / Officer
Mark C Seiffert
Officer 2
Derek J Seney
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Out-of-Service Rate
16.7% of inspections ended in an out-of-service order
6 inspections in 24 months
Vehicle OOS Rate
33.3%
Driver OOS Rate
0.0%
Ranks in the 37th percentile among carriers with 5–9 inspections — lower is better. CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Safety & Inspection Summary
Total Inspections
6
Driver Inspections
4
Vehicle Inspections
3
Total OOS Orders
1
Violations by Category
Vehicle Maintenance3
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate33.3% · national avg 20.7%
⚠ Above national average (12.6pp higher)
Inspection Trend by Year
2026
2025
2024
Inspection Records (6)
| Date | State | Level | Vehicle | Viol. | Status |
|---|---|---|---|---|---|
| March 9, 2026 | CT | Level II — Walk-Around | PTRB · 1NPXX4EX2PD857262 | 1 | Passed |
| December 22, 2025 | CT | Level III — Driver Only | PTRB · 1XPXD40X4MD772148 | 0 | Clean |
| February 10, 2025 | CT | Level III — Driver Only | PTRB · 1NPXX4EX1PD857284 | 0 | Clean |
| December 23, 2024 | CT | Level III — Driver Only | PTRB · 1NPXX4EX2PD857262 | 0 | Clean |
| October 25, 2024 | CT | Level II — Walk-Around | PTRB · 1XPXD40X4MD772148 | 2 | 1 OOS |
| October 7, 2024 | NY | Level I — Full | PETERBILT · 1NPXX4EX7HD420097 | 1 | Passed |
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CT5
NY1
Fleet & Equipment (6)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~4
of 9 reported to FMCSA
Trailers
~2
seen at inspection
Equipment types observed
Truck
3
Dump
2
Tractor
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2023 Peterbilt 389 | Truck · Class 8 | 1NPXX4EX2PD857262 | 2 | — |
| 2021 Peterbilt 389 | Tractor · Class 8 | 1XPXD40X4MD772148 | 2 | 1 |
| 2019 East Manufacturing Corp. East Manufacturing Corp | Dump · 40 ft | 1E1F9U288KR067635 | 1 | — |
| 2019 East Manufacturing Corp. East Manufacturing Corp | Dump · 40 ft | 1E1F9U28XKR067636 | 1 | 1 |
| 2023 Peterbilt 389 | Truck · Class 8 | 1NPXX4EX1PD857284 | 1 | — |
| 2017 Peterbilt 389 | Truck · Class 8 | 1NPXX4EX7HD420097 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Authority History
| Date | Status | Type |
|---|---|---|
| January 15, 2003 | INVOLUNTARY REVOCATION | Contract |
| July 22, 1998 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| BI&PD Primary/Excess | Cancellation Pending |
Other Carriers in Dayville, CT
Data sourced from FMCSA MCMIS via Socrata. Last updated: August 31, 2026.
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