Carrier profile · USDOT 3191671 · MC-137212 · Updated Aug 20, 2026

Maria Isabel Diaz

DBA TRIBECA EXPRESS

1 power unitavg 18.8 yrLocal · 2 statesHOUSTON, TX74/100

CARRIER ACTIVEMC-137212 ACTIVE

Observed fleet · trailing 24 mo daily

1Power units

4 observed · MCS-150

6Trailers seen

Decoded · vPIC

18.8Avg age (yr)

2000–2017 · vPIC

Call dispatch(303) 862-0694 Email dispatchtribecaservicing@gmail.com

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 20, 2026

Review before loading

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

Watch · 2

Vehicle out-of-service rate well above average37.5% of vehicle inspections were placed out of service vs the 22.26% national average.Driver out-of-service rate well above average22.2% of driver inspections were placed out of service vs the 6.7% national average.

In good standing · 4

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 8 yearsOperating authority has been on file since 2018.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo37.5%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo37.5%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Owner-operator

1 power unit. Brokers price each fleet type apart.

Fleet age vs peersOlder

18.8 yr

Model years 2000–2017 · peer benchmark unavailable.

Identity stabilityStable

7 yr unchanged

Same registration since 2018 — no chameleon / reincarnation signal.

Safety

9 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 37.5%24-mo cumulative

050%nat'l 22.26%

Driver OOS 22.2%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 8 vehicle and 9 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

33.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 27.2 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

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

8 inspections in the charted months · busiest month Oct '24 · 1

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Heavily inspected

Under-inspected

Expected

Well-monitored

Heavily inspected

≈4.5 / unit·yr

thin signalabundant signal

Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.

Registered power units: 1
Inspections · 24 mo: 9
Annualized: ≈5 / yr
Coverage: ≈4.5 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving6 · 0 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance4 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance4 · 0 OOS
393.78 Windshield wipersVehicle Maintenance4 · 0 OOS
393.11 Required lamps/reflectors missingVehicle Maintenance3 · 1 OOS
393.60 Windshield / glazingVehicle Maintenance3 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance2 · 0 OOS
393.28 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 0 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance2 · 1 OOS
393.209 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS

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: Active
Contract: None
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 ’23 · 3 insurers · 1 lapseCoverage lapse

Qualitas’19–’21

Db (usbranch)’22–’23

Sentry Select’23–now

2019202120232025now

Shorter eras are too brief to label at this scale — all 3 insurers are named in the list below.

BIPD in force — $750,000 · SENTRY SELECT INSURANCE COMPANY · since Jul 2023

All 3 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
SENTRY SELECT INSURANCE COMPANY	Jun 2023 → Aug 2023	$750K	2
DB INSURANCE CO., LTD (U.S.BRANCH)	Jun 2022 → Jun 2023	$750K	2
QUALITAS INSURANCE COMPANY	Jun 2019 → Jun 2021	$750K	5

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 1
Observed power (24 mo): 4
Trailers (towed): 6

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

Fleet age· model years · decoded VINs

18.8 yr

Average age

2017

Newest model yr

2000

Oldest model yr

80.0%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 2 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

TX busiest

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

Home base

HOUSTON, TX

10133 LANE ST

Top corridor

TX 8 · MO 1

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

Last 12 months: 1 truck also ran under 1 other carrier

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4291205Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (5 trucks · 6 carriers)

Across all inspections on record: USDOT 2365947 USDOT 4291205 USDOT 1516013 USDOT 1614360 USDOT 4060252 USDOT 2573304

Shares a company officer with other carriers

maria isabel diaz — 3 carriers: USDOT 3368714 USDOT 4023920

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 10133 LANE ST, HOUSTON, TX, 77029
Operation: Interstate

Contact

Phone: (303) 862-0694
Email: tribecaservicing@gmail.com

Registration

Officers: Maria Isabel Diaz · Maria Isabel Diaz
USDOT / docket: 3191671 · MC-137212
First registered: Sep 24, 2018
Last MCS-150: Mar 27, 2025 · 167,000 mi (2024)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

167,000

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 MARIA ISABEL DIAZ.

MARIA ISABEL DIAZ (USDOT 3191671) has a Vektor safety score of 74/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Aug 20, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 20, 2026.

It has an active BIPD insurance filing with a $750,000 limit in force from SENTRY SELECT INSURANCE COMPANY effective Jul 26, 2023 in FMCSA L&I's current snapshot as of Aug 20, 2026.

Its vehicle out-of-service rate was 37.5% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 9 roadside inspections in the last 24 months — 8 vehicle-level and 9 driver-level — across 2 states, according to FMCSA roadside-inspection data refreshed Aug 20, 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 Aug 20, 2026.

It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Mar 27, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.

Frequently asked

What is MARIA ISABEL DIAZ's USDOT number?

MARIA ISABEL DIAZ's USDOT number is 3191671, and its motor carrier number is MC-137212.

Is MARIA ISABEL DIAZ authorized to operate?

As of Aug 20, 2026, MARIA ISABEL DIAZ is active in the FMCSA register with common, contract, broker operating authority on file.

What is MARIA ISABEL DIAZ's safety record?

MARIA ISABEL DIAZ has a 37.5% vehicle out-of-service rate (national average 22.26%) across 12 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 74/100 (tier: review).

How big is MARIA ISABEL DIAZ's fleet?

MARIA ISABEL DIAZ operates 1 power unit and 1 driver per its most recent MCS-150 filing.

Where is MARIA ISABEL DIAZ based?

MARIA ISABEL DIAZ is based in HOUSTON, TX, with roadside inspections recorded across 2 states.

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