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Motor Carrier Safety Report
DOT #420012 · TROMBLY BROS INC
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TROMBLY BROS INC

DOT# 420012 MC# 291389 DUNS# 19540087 North Andover, MA Authorized For-Hire / Private Property
(978) 683-1031 kelley@tromblybros.com 141-153 Sutton Street, North Andover MA 01845-0397
11 power units · all owned 10 drivers
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HazMat
Satisfactory
FRED Score 73.5 / 100
Low confidence
36 yrs history · 7 roadside inspections

FMCSA Live Status

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Fleet & equipment

Power units
11
Drivers · CDL
10 · 5
Annual miles
155k unreliable
Type Own Term Trip Total
Trucks 11 0 0 11
Tractors 0 0 0 0
Trailers 0 0 0 0

Registration

Organization
CORPORATION
Cargo Operation
Intrastate HM
Scope
Intrastate (Beyond 100 miles)
Registered
09-06-1990 (36 yrs)
MCS-150 Update
03-17-2026 (Address Change)
FRED Score Date
Nov 08, 2026
Officer
MARK TROMBLY
Officer
HAROLD TROMBLY

Cargo

Cargo risk score FRED’s estimate from the commodities it hauls Log in
Motor Vehicles Drive/Tow Away Metal: Sheets/Coils/Rolls Machinery/Large Objects Oilfield Equipment General Freight Logs/Poles/Beams/Lumber Building Materials Other: INVERTERS, SOLAR PANELS, CONTAINERS, BOILER FABERC Utility Construction Water Well
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  • Expected crashes over the next 12 months, against similar fleets
  • What drives the grade: crash history and roadside record
  • Worth a closer look: the flags to ask about, with the questions
  • How it compares with similar fleets, per truck and per mile
  • Cargo risk, and news reports linked to its crashes
  • How the grade is calculated, and its history week by week

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Track record

FMCSA record, Oct 2024 – Aug 2026
Crashes
0
0 fatalities · 0 injuries · 0 tow-aways
Inspections
7
71% clean (no violations)
Vehicle out-of-service
33.3%
1 of 3
Driver out-of-service
0.0%
0 of 7
Violations
4
1 out-of-service
Inspections per quarter With an out-of-service order
Q4 '24: 2 inspections, 0 out of service 2 Q4 '24 Q1 '25: 0 inspections, 0 out of service 0 Q1 '25 Q2 '25: 2 inspections, 1 out of service 2 Q2 '25 Q3 '25: 0 inspections, 0 out of service 0 Q3 '25 Q4 '25: 0 inspections, 0 out of service 0 Q4 '25 Q1 '26: 2 inspections, 0 out of service 2 Q1 '26 Q2 '26: 0 inspections, 0 out of service 0 Q2 '26 Q3 '26: 1 inspections, 0 out of service 1 Q3 '26
How it compares with similar fleets Crashes, inspections and violations per truck and per mile, against fleets like this one Log in

What they get cited for

4 violations · 24 months
  • Unsafe driving No alert
    2 · 0 OOS
    Phone use 1 · Seat belt 1
  • Vehicle maintenance No alert
    2 · 1 OOS
    Brakes 1 · Lights 1
  • Hours of service No alert
    0
  • Driver fitness No alert
    0
  • Drugs & alcohol No alert
    0
Out-of-service violations “No alert” = under FMCSA's BASIC intervention threshold

Violations by quarter

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No violation trend data

Crashes

24 months

No reportable crashes on the FMCSA record in the last 24 months.

Insurance filed with FMCSA

FMCSA record through May 14, 2026 · no change recorded by FMCSA since
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Last on FMCSA's record (May 14, 2026)
$1,000,000 · CENTRAL MUTUAL INSURANCE COMPANY
on record since Dec 15, 2025 · FMCSA minimum $1,000,000 · no gap on FMCSA's record since Jul 1994
Cargo filing
on file · HANOVER INSURANCE CO. since Jul 16, 2009
36 months to May 14, 2026
  • 4 liability insurers on FMCSA's record, 3 changes: THE COMMERCE INSURANCE COMPANY → CENTRAL MUTUAL INSURANCE COMPANY (Dec 2025); NEW HAMPSHIRE INSURANCE CO. → THE COMMERCE INSURANCE COMPANY (Dec 2024); ZURICH AMERICAN INSURANCE COMPANY → NEW HAMPSHIRE INSURANCE CO. (Sep 2024)
  • 1 cancellation notice filed by an insurer; 1 took effect (the last Sep 1, 2024, replaced the same day)
  • No gap in filed liability coverage while liability was required
Authority events and every filing FMCSA’s full filing record back to the 1990s, and who else this insurer covers Log in

FMCSA filings only, not a policy audit. Not part of the FRED grade. Wrong or out of date?

Where it happens

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Inspections by state
  • New Hampshire 5
  • Massachusetts (HQ) 1
  • Federal inspectors 1
How this grade is calculated, and its history The model behind the grade: factors, credibility, peer group and the score week by week Log in
Data sourced from FMCSA. The FRED Score is an analytical opinion and is not an FMCSA safety rating. Unless a motor carrier has received an Unsatisfactory safety rating under 49 CFR Part 385 or has otherwise been ordered to discontinue operations by FMCSA, it is authorized to operate. This information is provided for informational purposes only and should not be the sole basis for any decision. Report generated · fred-score.com/carrier/420012