Carrier profile · USDOT 579729 · MC-307624 · Updated Jun 13, 2026

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

Call dispatch(610) 932-4229 Email dispatchgfour@zoominternet.net

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Watch · 2

No inspection history despite active fleetAn established carrier reporting 3 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 11.4 years old; fleet/mileage figures may be unreliable.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 32 yearsOperating authority has been on file since 1994.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

3 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

31 yr unchanged

Same registration since 1994 — no chameleon / reincarnation signal.

Safety

Roadside inspections, BASICs & crash history

Out-of-service rate· 24-mo cumulative

No roadside inspections on record.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

No roadside inspections on the FMCSA record in this window

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: None
Contract: Active
Broker: None

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’04 · 1 insurer · 0 lapsesContinuous

Transportation’96–’04

beyond this history

1996200420122020now

Shorter eras are too brief to label at this scale — all 1 insurers are named in the list below.

BIPD in force — $750,000 · THE CINCINNATI INSURANCE CO. · since Jan 2004

All 1 insurer era · dates, limits, renewals

Insurer	Period	Limit	Renewals
TRANSPORTATION INSURANCE CO.	Jan 1996 → May 2004	$750K	1

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 3
Observed power (24 mo): —
Trailers (towed): —

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density · 24 mo

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

OXFORD, PA

958 SAGINAW RD

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Shares a registration email domain with other carriers

@zoominternet.net — 804 carriers: USDOT 313 USDOT 7765 USDOT 32467 USDOT 64741 USDOT 85028 USDOT 85156 USDOT 118641 USDOT 120932

Shares a company officer with other carriers

carmala guy — 2 carriers: USDOT 2086306

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 958 SAGINAW RD, OXFORD, PA, 19363
Operation: Interstate

Contact

Phone: (610) 932-4229
Fax: (610) 467-0775
Email: gfour@zoominternet.net
Web domain: zoominternet.net

Registration

Officers: Carmala Guy · William J. Guy
USDOT / docket: 579729 · MC-307624
First registered: Nov 2, 1994
Last MCS-150: Mar 6, 2015 · 36,000 mi (2010)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

—CDL drivers

36,000

Annual mileage

Open the full identity & federal record

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.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Verification summaryAuthority, insurance, safety and identity facts for WILLIAM J GUY.

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 refreshed Jun 13, 2026.

The carrier holds active contract for-hire operating authority per FMCSA L&I as of Jun 13, 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 as of Jun 13, 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 refreshed Jun 13, 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 Jun 13, 2026.

It reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Mar 6, 2015.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

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?

As of Jun 13, 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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