Fleet typeIdentity
Small fleet
7 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 438631 · Updated Sep 6, 2026
Knowles Industrial Services Corp
7 power unitsavg 4.5 yrRegional · 3 statesGORHAM, ME86/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Observed fleet · trailing 24 mo daily
7Power units
4 observed · MCS-150
2Trailers seen
Decoded · vPIC
4.5Avg age (yr)
2017–2025 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Sep 6, 2026
Clear to load
Clear under the current scoring — review the flagged signal below before loading.
USDOT registration3535 yr registered
Authority not on fileInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo40.0%
▲ 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
4.5 yr
Model years 2017–2025 · peer benchmark unavailable.
Identity stabilityStable
35 yr unchanged
Same registration since 1991 — no chameleon / reincarnation signal.
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Verification summary
KNOWLES INDUSTRIAL SERVICES CORP (USDOT 438631) has a Vektor safety score of 86/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Sep 6, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Sep 6, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Sep 6, 2026.
Its vehicle out-of-service rate was 40.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Sep 6, 2026.
The carrier received 6 roadside inspections in the last 24 months — 5 vehicle-level and 6 driver-level — across 3 states, according to FMCSA roadside-inspection data refreshed Sep 6, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Sep 6, 2026.
It reports 7 power units and 30 drivers in its most recent MCS-150 filing dated Jan 15, 2025.
It has an FMCSA safety rating of Satisfactory assigned Jun 21, 2002 in the federal record refreshed Sep 6, 2026.
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Frequently asked
What is KNOWLES INDUSTRIAL SERVICES CORP's USDOT number?
KNOWLES INDUSTRIAL SERVICES CORP's USDOT number is 438631.
Is KNOWLES INDUSTRIAL SERVICES CORP authorized to operate?
As of Sep 6, 2026, KNOWLES INDUSTRIAL SERVICES CORP is active in the FMCSA register.
What is KNOWLES INDUSTRIAL SERVICES CORP's safety record?
KNOWLES INDUSTRIAL SERVICES CORP has a 40.0% vehicle out-of-service rate (national average 22.26%) across 11 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 86/100 (tier: clear).
How big is KNOWLES INDUSTRIAL SERVICES CORP's fleet?
KNOWLES INDUSTRIAL SERVICES CORP operates 7 power units and 30 drivers per its most recent MCS-150 filing.
Where is KNOWLES INDUSTRIAL SERVICES CORP based?
KNOWLES INDUSTRIAL SERVICES CORP is based in GORHAM, ME, with roadside inspections recorded across 3 states.
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