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DROCK TRUCKING INC
Dayville, CT
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized · DOT 594535 · MC 341839
No Safety Rating
Active 28 yrs, 2 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-341839 · Common carrier
Insurance
On File
Middlesex Insurance Co.
Safety
Not Rated
20.0% OOS · 13 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Operating authority active for 28 yrs, 2 mo
- Insurance on file: $750,000
- Vehicle out-of-service rate 50.0% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 13 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC341839
Contract Carrier
Insurance on File
MIDDLESEX INSURANCE CO.
BI&PD · $750,000 · Policy A0186855001
Required Filings
Liability (BIPD)
$750,000
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
594535
MC Number
MC-341839
Safety Rating
Not Rated
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
September 21, 2026
FMCSA Registration
March 21, 1995
Authority Granted
July 22, 1998
Annual Mileage
581,118 mi (2026)
Contact Information
Address
59 Stone Road, Dayville, CT 06241
Phone
Email
Owner / Officer
Derek J Seney
Officer 2
Mark C Seiffert
Cargo Types
Other Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
13
Driver Inspections
8
Vehicle Inspections
8
Out-of-Service Violations
3
Violations by Category
Vehicle Maintenance5
Unsafe Driving2
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate50.0% · national avg 20.7%
⚠ Above national average (29.3pp higher)
20.0% of 5 inspections in the last 24 months put a driver or vehicle out of service —
43rd percentile among carriers with 5–9 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
2 of 3 inspections
Unsafe Driving
1 of 6 inspections
Hours of Service
0 of 6 inspections
Driver Fitness
0 of 6 inspections
Controlled Substances
0 of 6 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
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.
Inspection Details
Each roadside inspection with its violations
Inspection Records (13)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| October 13, 2026 | 3093000004 | CT, CT | I | — | — | N/A | Straight Truck |
PETERBILT |
1NPXX4EX2PD857262 |
CT 73014A |
| October 1, 2026 | 0381000013 | CT, CT | I | 2 | 2 | NA | Straight Truck |
PETERBILT |
1NPXX4EX2PD857262 |
CT 73014A |
| 393.45D-BAAL | OOSAir Brake - Audible air leak at other than a proper connection | Brakes All Others | ||||||||
| 393.45B2-BHTD | OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. | Brakes All Others | ||||||||
| September 25, 2026 | 3014004878 | CT, CT | III | 1 | — | ERNEST JOY | Straight Truck |
PETERBILT |
1NPXX4EX1PD857284 |
CT 73013A |
| 392.2-SLLLR | State/Local Laws - Lane restriction violation | Misc Violations | ||||||||
| March 9, 2026 | 3011002124 | MIDDLETOWN SCALE, CT | II | 1 | — | DROCK | Straight Truck |
PETERBILT |
1NPXX4EX2PD857262 |
CT 73014A |
| 392.16AD | Driver - Failed to use seat belt while operating a CMV. | Seat Belt | ||||||||
| December 22, 2025 | 3072000962 | PLAINFIELD, CT | III | — | — | RAWSON MATERIALS | Truck Tractor Semi-trailer |
PETERBILT EAST MANUFACTURING CORP. |
1XPXD40X4MD772148 1E1F9U288KR067635 |
CT 50543A CT AJ71323 |
| February 10, 2025 | 3129005553 | WATERFORD SCALE N/B, CT | III | — | — | — | Straight Truck |
PETERBILT |
1NPXX4EX1PD857284 |
CT 73013A |
| December 23, 2024 | 3082001114 | MILFORD, CT | III | — | — | NA | Straight Truck |
PETERBILT |
1NPXX4EX2PD857262 |
CT 73014A |
| October 25, 2024 | 3019005774 | FARMINGTON, CT | II | 7 | 1 | CARRIER | Truck Tractor Semi-trailer |
PETERBILT EAST MANUFACTURING CORP. |
1XPXD40X4MD772148 1E1F9U28XKR067636 |
CT 50543A CT AJ71322 |
| 393.75G-TAOW | OOSTires - All others, weight carried exceeds tire load limit | Tire vs. Load | ||||||||
| 392.2-SLLEWG3 | State/Local Laws - Excessive weight - More than 5000 lbs over on allowable gross weight | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 393.55D3-B | Air Brake - ABS malfunction, trailers manufactured after March 1, 2001 unable to transmit ABS malfunction signal to towing vehicle | Brakes All Others | ||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA3 | State/Local Laws - Excessive weight - More than 5000 lbs over on an axle/axle groups | |||||||||
| October 7, 2024 | D808100158 | SAUGERTIES NY | I | 2 | — | — | Straight Truck |
PETERBILT |
1NPXX4EX7HD420097 |
CT 23022A |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 393.45B2-B | Air Brake - Hose/tubing damaged or not secured | Brakes All Others | ||||||||
| February 9, 2024 | CW00002569 | H-STURBRIDGE, MA | II | — | — | SAME | Straight Truck |
PETERBILT |
1NPXX4EX2PD857262 |
CT 73014A |
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 |
|---|---|---|
| ERNEST JOY | 1 | September 25, 2026 |
| RAWSON MATERIALS | 1 | December 22, 2025 |
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| January 15, 2003 | DISCONTINUED REVOCATION | Contract |
| December 27, 2002 | INVOLUNTARY REVOCATION | Contract |
| July 22, 1998 | GRANTED | Contract Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| March 17, 2023 | BI&PD Primary/Excess | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026.
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