Carrier profile · USDOT 176925 · MC-301379 · Updated Jun 13, 2026

Transportation Management Corporation

DBA INTERSTATE TOWING & TRANSPORT SERVICES

16 power unitsPHOENIX, AZ50/100

CARRIER INACTIVEMC-301379 INACTIVEHAZMAT

Observed fleet · trailing 24 mo daily

16Power units

Self-reported · MCS-150

—Trailers seen

None observed · 24 mo

—Avg age (yr)

Not yet decoded

Call dispatch(602) 257-1188 Email dispatchmariannenelson@qwestoffice.net

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Watch · 4

USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 16 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 5.5 years old; fleet/mileage figures may be unreliable.

In good standing · 1

Established 52 yearsOperating authority has been on file since 1974.

USDOT registration

yr registered

No active authority

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal

No activity in window

USDOT registration

yr registered

No active authority

Insurance (BIPD)— unknown

No filing on record

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

Asset-based

16 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — 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: Inactive
Contract: None
Broker: None

Insurance & bonds

BIPD filing (census)Not recorded per census

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance continuity· insurer · policy · lapses

$1M BIPD last filed ’20 · 11 insurers · 0 lapsesInsurer churn

Westport’98–’01

Lincoln General’05–’08

Scottsdale’12–’15

Great West’17–’20

beyond this history

1996200420122020now

Shorter eras are too brief to label at this scale — all 12 insurers are named in the list below.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

All 12 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
GREAT WEST CASUALTY CO.	Feb 2017 → Nov 2020	$1M	1
THE INSURANCE CO OF THE STATE OF PENNSYLVANIA	Feb 2015 → Feb 2017	$1M	2
SCOTTSDALE INSURANCE COMPANY	Feb 2012 → Feb 2015	$1M	1
MONTEREY INSURANCE COMPANY	Feb 2011 → Feb 2012	$1M	1
THE INSURANCE CO OF THE STATE OF PENNSYLVANIA	Feb 2009 → Feb 2011	$1M	2
CAROLINA CASUALTY INSURANCE CO.	Feb 2008 → Feb 2009	$1M	1
LINCOLN GENERAL INSURANCE COMPANY	Feb 2005 → Feb 2008	$1M	3
EMPIRE FIRE & MARINE INSURANCE CO.	Feb 2003 → Feb 2005	$1M	3
ATHENA ASSURANCE COMPANY	Feb 2002 → Feb 2003	$1M	1
UNITED STATES FIRE INSURANCE CO.	Feb 2001 → May 2002	$1M	1
WESTPORT INSURANCE CORPORATION	Feb 1998 → Feb 2001	$1M	1
HOUSTON GENERAL INSURANCE CO.	Feb 1996 → Apr 1998	$1M	1

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 16
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

PHOENIX, AZ

2246 E WASHINGTON ST

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

@qwestoffice.net — 490 carriers: USDOT 11975 USDOT 22179 USDOT 30071 USDOT 53766 USDOT 62605 USDOT 65036 USDOT 66912 USDOT 98261

Shares a company officer with other carriers

tim eldridge — 2 carriers: USDOT 3461672

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 2246 E WASHINGTON ST, PHOENIX, AZ, 85034
Mailing address: P O BOX 20486, PHOENIX, AZ, 85036
Operation: Interstate· Hazmat

Contact

Phone: (602) 257-1188
Fax: (602) 254-7010
Email: mariannenelson@qwestoffice.net
Web domain: qwestoffice.net

Registration

Officers: Tim Eldridge · William Gruewell
USDOT / docket: 176925 · MC-301379
First registered: Jun 1, 1974
Last MCS-150: Feb 10, 2021 · 1 mi (2019)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

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

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for TRANSPORTATION MANAGEMENT CORPORATION.

TRANSPORTATION MANAGEMENT CORPORATION (USDOT 176925) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.

The carrier has no active for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available 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 1 fatal crash across the full FMCSA crash record available as of Jun 13, 2026.

It reports 16 power units and 12 drivers in its most recent MCS-150 filing dated Feb 10, 2021.

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

Frequently asked

What is TRANSPORTATION MANAGEMENT CORPORATION's USDOT number?

TRANSPORTATION MANAGEMENT CORPORATION's USDOT number is 176925, and its motor carrier number is MC-301379.

Is TRANSPORTATION MANAGEMENT CORPORATION authorized to operate?

As of Jun 13, 2026, TRANSPORTATION MANAGEMENT CORPORATION is inactive in the FMCSA register with common, contract, broker operating authority on file.