Fleet typeIdentity
Asset-based
12 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1733410
UNDERGROUND TESTING AND SERVICES LLC
12 power unitsavg 4.9 yrRegional · 3 statesLONDONDERRY, NH
CARRIER ACTIVE
Observed fleet · trailing 24 mo daily
12Power units
8 observed · MCS-150
—Trailers seen
None observed · 24 mo
4.9Avg age (yr)
2017–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Clear to load
Active authority and a clean federal record. No blocking issues found.
Established 18 yearsNo reported crashesDriver out-of-service rate above average
Operating authority1818 yr active
since 2008Insurance (BIPD)Unknown
FMCSA L&IVehicle OOS · 24mo0.00.0 %
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersNewer
4.9 yr
Model years 2017–2026 · peer benchmark computing.
Identity stabilityStable
18 yr unchanged
Same registration since 2008 — no chameleon / reincarnation signal.
AI readFull read
Is UNDERGROUND TESTING AND SERVICES LLC safe to work with?
Is UNDERGROUND TESTING AND SERVICES LLC safe to load? UNDERGROUND TESTING AND SERVICES LLC (USDOT 1733410) is an active asset-based motor carrier based in LONDONDERRY, NH, operating 12 power units and 7 drivers. Operating authority has been active 18 years (past the 24-month broker-confidence threshold). Across 15 roadside inspections, its vehicle out-of-service rate is 0.0% (below the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (94/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
UTUNDERGROUND TESTING AND SERVICES LLC 94
01
Safety
15 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 0.0% (24-mo)9 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 7.7% (24-mo)13 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
14.3% now▲ Worsening
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.5 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 12-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 12
- Inspections · 24 mo
- 13
- Annualized
- ≈7 / yr
- Coverage
- ≈0.5 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving4
- 391.41 No / expired medical certificateDriver Fitness2 · 1 OOS
- 392.16 Failure to use seat beltUnsafe Driving2
- 393.9 Inoperative required lampsVehicle Maintenance2
- 392.82 Using a hand-held mobile phoneUnsafe Driving1
- 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1
02
Authority & insurance
Can they legally + adequately haul your load?
Insurance continuity· insurer · policy · lapses
No insurance filing history on record.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 12
- Observed power (24 mo)
- 8
- Trailers (towed)
- 0
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2026
Newest model yr
2017
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 3 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed33
US statesInspections · 24 mo1313
ME busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
LONDONDERRY, NH
Top corridor
ME ⇄ NH
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (1 truck · 1 carriers)
Across all inspections on record: USDOT 3353831
Shares a company officer with other carriers
sean campbell — 10 carriers: USDOT 2185956USDOT 3167146USDOT 3374364USDOT 3503586USDOT 4128890USDOT 4209125USDOT 4327270USDOT 4478839
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1212
Observed (24 mo)88
Shared w/ other carriers11
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 49 WENTWORTH AVE, LONDONDERRY, NH, 03053
- Mailing address
- 809 BACK MOUNTAIN ROAD, GOFFSTOWN, NH, 03045
- Operation
- Interstate
Contact
- Phone
- (603) 497-5549
- Cell
- (603) 759-4088
- Web domain
- comcast.net
Registration
- Officers
- Sean Campbell · Lisa Campbell
- USDOT / docket
- 1733410
- First registered
- 01/31/2008
- Last MCS-150
- 07/17/2025 · 500,000 mi (2022)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate UNDERGROUND TESTING AND SERVICES LLC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is UNDERGROUND TESTING AND SERVICES LLC's USDOT number?
UNDERGROUND TESTING AND SERVICES LLC's USDOT number is 1733410.
Is UNDERGROUND TESTING AND SERVICES LLC authorized to operate?
As of 2026-06-13, UNDERGROUND TESTING AND SERVICES LLC is active in the FMCSA register.
What is UNDERGROUND TESTING AND SERVICES LLC's safety record?
UNDERGROUND TESTING AND SERVICES LLC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 15 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 94/100 (tier: clear).
How big is UNDERGROUND TESTING AND SERVICES LLC's fleet?
UNDERGROUND TESTING AND SERVICES LLC operates 12 power units and 7 drivers per its most recent MCS-150 filing.
Where is UNDERGROUND TESTING AND SERVICES LLC based?
UNDERGROUND TESTING AND SERVICES LLC is based in LONDONDERRY, NH, with roadside inspections recorded across 3 states.