Fleet typeIdentity
Asset-based
19 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 131841 ·
Subsurface Testing Services Ltd
19 power unitsVERNON HILLS, IL50/100
AUTHORITY STATUS UNKNOWN
Observed fleet · trailing 24 mo daily
19Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision ·
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 3
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No inspection history despite active fleetAn established carrier reporting 19 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 14.8 years old; fleet/mileage figures may be unreliable.
In good standing · 1
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
52 yr unchanged
Same registration since 1974 — no chameleon / reincarnation signal.
Cross-border activity
No border inspections on record
A named inspection location does not confirm a border transit or operating authority. Counts cover retained inspection records.
Safety and violations
Violation data is not available for this carrier right now.
Verification summary
SUBSURFACE TESTING SERVICES LTD (USDOT 131841) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Oct 10, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available. FMCSA authority data as of Oct 10, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Oct 10, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data. FMCSA operations data as of Oct 10, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Oct 10, 2026.
It reports 19 power units and 18 drivers in its most recent MCS-150 filing dated Nov 30, 2011. FMCSA identity data as of Oct 10, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Oct 10, 2026.
02
Frequently asked
What is SUBSURFACE TESTING SERVICES LTD's USDOT number?
SUBSURFACE TESTING SERVICES LTD's USDOT number is 131841.
Is SUBSURFACE TESTING SERVICES LTD authorized to operate?
FMCSA authority data as of Oct 10, 2026. SUBSURFACE TESTING SERVICES LTD is inactive in the FMCSA register.
How big is SUBSURFACE TESTING SERVICES LTD's fleet?
SUBSURFACE TESTING SERVICES LTD operates 19 power units and 18 drivers per its most recent MCS-150 filing.
Where is SUBSURFACE TESTING SERVICES LTD based?
SUBSURFACE TESTING SERVICES LTD is based in VERNON HILLS, IL.
03
Similar carriers near Vernon Hills, IL
Comparable carriers around Vernon Hills and across Illinois
More Illinois carriers
Other FMCSA-registered carriers near this one in the directory, by USDOT number.