Carrierintel
UT

UNDERGROUND TESTING AND SERVICES LLC

Carrierintel Safety Score: 71/100. 8 inspection violations in 12 months. Last inspected Oct 2026.

DOT 1733410ActiveInterstateLONDONDERRY, NH

COMPANY

Authority since
—
MCS-150
2025-07-17 · 500,000 mi (2022)
Fleet
12 units · 2 trailers · 7 drivers
Annual mileage (VMT)
500,000 mi (2022)

ADDRESS

Physical
49 WENTWORTH AVE
LONDONDERRY, NH 03053
Mailing
809 BACK MOUNTAIN ROAD
GOFFSTOWN, NH 03045

CONTACT

Phone
6034975549
Email
809campbell@comcast.net

OFFICERS

Primary Officer
SEAN CAMPBELL
Title
MEMBER

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
5
Building MaterialsUtilityConstructionWater WellOther: TOOLS
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
225 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
1 risk factors · 2 strengths
OOS RATE
11.1%
2 / 18 inspections

Carrierintel Safety Score

Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.

71
out of 100
Good
Markers: OOS inspection Crash Fatality

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Declared (MCS-150)
12 power units
Unique power units seen
5
Inspections
8
Discrepancy
0.4x

Minimal Risk

1 risk factor · 2 strengths · 4 data points

SAFETY PERFORMANCE

Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
89% — 16 clean of 18 inspections
Out-of-Service Rate
11.1% — driver OOS 2 insp., vehicle OOS 0 insp.

COMPLIANCE & AUTHORITY

USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-07-17

INSURANCE

Active Coverage
Insurance not verified — Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.

SUMMARY

Elevated OOS rate 17% (last 24 mo)
No crashes in the last 24 months
89% clean inspections

INDUSTRY REPORTS

  • ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
  • Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
  • Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
  • English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
  • Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.

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