Fleet typeIdentity
Owner-operator
3 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 579729 · MC-307624 ·
William J Guy
DBA G-FOUR CONTRACTORS INC
3 power unitsOXFORD, PA80/100
CARRIER ACTIVEMC-307624 ACTIVE
Observed fleet · trailing 24 mo daily
3Power 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 ·
Review before loading
Operating, but with flags a broker should weigh before tendering freight.
Watch · 2
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
31 yr unchanged
Same registration since 1994 — 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
WILLIAM J GUY (USDOT 579729) has a Vektor safety score of 80/100 and a Review before loading verdict, from the carrier's FMCSA record. FMCSA profile data as of Oct 7, 2026.
The carrier holds active contract for-hire operating authority per FMCSA L&I. FMCSA authority data as of Oct 9, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from THE CINCINNATI INSURANCE CO. effective Jan 10, 2004 in FMCSA L&I's current snapshot. FMCSA insurance data as of Oct 7, 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 9, 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 9, 2026.
It reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Mar 6, 2015. FMCSA identity data as of Oct 9, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Oct 9, 2026.
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Frequently asked
What is WILLIAM J GUY's USDOT number?
WILLIAM J GUY's USDOT number is 579729, and its motor carrier number is MC-307624.
Is WILLIAM J GUY authorized to operate?
FMCSA authority data as of Oct 9, 2026. WILLIAM J GUY is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is WILLIAM J GUY's fleet?
WILLIAM J GUY operates 3 power units and 2 drivers per its most recent MCS-150 filing.
Where is WILLIAM J GUY based?
WILLIAM J GUY is based in OXFORD, PA.
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