Carrier profile · USDOT 1050453 · MC-440179 · Updated Aug 2, 2026

DIAMOND TRANSPORTATION SERVICES CORP

DBA DTS CORP

12 power unitsavg 16.9 yrMulti-region · 9 statesHIALEAH, FL82/100

CARRIER ACTIVEMC-440179 ACTIVERATED SATISFACTORY

Observed fleet · trailing 24 mo daily

12Power units

9 observed · MCS-150

6Trailers seen

Decoded · vPIC

16.9Avg age (yr)

1999–2021 · vPIC

Call dispatch(305) 796-8550 Email dispatchelier@dtscorp.us

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 2, 2026

Review before loading

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

Active operating authorityInsurance on fileDriver out-of-service rate well above average

Watch · 2

Driver out-of-service rate well above average16.7% of driver inspections were placed out of service vs the 6.7% national average.Multiple injury crashes13 crashes involving injuries are on record.

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 24 yearsOperating authority has been on file since 2002.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)On file

FMCSA L&I

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

4 in 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)On file

FMCSA L&I

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

4 in 24 mo

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

Fleet typeIdentity

Asset-based

12 power units. Brokers price each fleet type apart.

Fleet age vs peersOlder

16.9 yr

Model years 1999–2021 · peer benchmark unavailable.

Identity stabilityStable

23 yr unchanged

Same registration since 2002 — no chameleon / reincarnation signal.

Safety

18 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 0.0%24-mo cumulative

050%nat'l 22.26%

Driver OOS 16.7%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 8 vehicle and 18 driver inspections over 24 months.

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

0.0% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 31.2 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

18 inspections in the charted months · busiest month Dec '24 · 2

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.

Expected band

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.8 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 12-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 12
Inspections · 24 mo: 18
Annualized: ≈9 / yr
Coverage: ≈0.8 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.

393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 4 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving4 · 0 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance3 · 2 OOS
393.60 Windshield / glazingVehicle Maintenance2 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance1 · 0 OOS
395.34 ELD — malfunction proceduresHOS Compliance1 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 1 OOS
391.11 Driver not qualifiedDriver Fitness1 · 1 OOS
396.5 Oil and/or grease leakVehicle Maintenance1 · 1 OOS
393.201 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: Active
Broker: None

Insurance & bonds

BIPD / liabilityNo active filing in current snapshot

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’25 · 10 insurers · 3 lapsesCoverage lapse

Lincoln General’06–’08

Lancer’22–’25

2002200820142020now

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

No active BIPD filing in FMCSA's current snapshot.

All 12 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
ACCREDITED SURETY AND CASUALTY COMPANY, INC.	Jun 2025 → Aug 2025	$750K	4
LANCER INSURANCE COMPANY	Jun 2022 → Jun 2025	$750K	2
ACCREDITED SURETY AND CASUALTY COMPANY, INC.	Jun 2021 → Jun 2022	$750K	1
KNIGHT SPECIALTY INSURANCE COMPANY	Jun 2020 → Jun 2021	$750K	3
TRISURA SPECIALTY INSURANCE COMPANY	Jun 2019 → Jun 2020	$750K	1
PROGRESSIVE GULF INSURANCE COMPANY	Jun 2018 → Jun 2019	$750K	1
NATIONAL INDEMNITY COMPANY OF THE SOUTH	Jun 2017 → Jun 2018	$750K	1
CAROLINA CASUALTY INSURANCE CO.	Aug 2008 → Jan 2010	$750K	2
LINCOLN GENERAL INSURANCE COMPANY	May 2006 → Aug 2008	$750K	4
CANAL INSURANCE CO.	May 2005 → May 2005	$750K	3
AEQUICAP INSURANCE COMPANY	May 2004 → Aug 2004	$750K	3
CANAL INSURANCE CO.	Oct 2002 → May 2004	$750K	5

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 12
Observed power (24 mo): 9
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

16.9 yr

Average age

2021

Newest model yr

1999

Oldest model yr

53.3%

VINs decoded

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

Operations & lanes

Revealed by inspection density across 9 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusMulti-region

revealed

States observed

US states

Inspections · 24 mo

FL busiest

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

Home base

HIALEAH, FL

1631 W 38TH PLACE STE 1506A

Top corridor

FL 4 · SC 3 · GA 2

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

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (3 trucks · 3 carriers)

Across all inspections on record: USDOT 4558051 USDOT 4013542 USDOT 178538

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 1631 W 38TH PLACE STE 1506A, HIALEAH, FL, 33012
Mailing address: 255 EAST 34 STREET, HIALEAH, FL, 33013
Operation: Interstate

Contact

Phone: (305) 796-8550
Email: elier@dtscorp.us
Web domain: dtscorp.us

Registration

Officers: Elier Ulloa · Manuel Ulloa
USDOT / docket: 1050453 · MC-440179
First registered: Aug 22, 2002
Last MCS-150: Apr 21, 2026 · 1,000,000 mi (2025)
FMCSA safety rating: Satisfactory · Jan 26, 2009
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

1,000,000

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 DIAMOND TRANSPORTATION SERVICES CORP.

DIAMOND TRANSPORTATION SERVICES CORP (USDOT 1050453) has a Vektor safety score of 82/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Aug 2, 2026.

The carrier holds active common and contract for-hire operating authority per FMCSA L&I as of Aug 2, 2026.

It has no active BIPD insurance filing in FMCSA L&I's current snapshot as of Aug 2, 2026.

Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 2, 2026.

The carrier received 18 roadside inspections in the last 24 months — 8 vehicle-level and 18 driver-level — across 9 states, according to FMCSA roadside-inspection data refreshed Aug 2, 2026.

The carrier has 4 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 2, 2026.

It reports 12 power units and 14 drivers in its most recent MCS-150 filing dated Apr 21, 2026.

It has an FMCSA safety rating of Satisfactory assigned Jan 26, 2009 in the federal record refreshed Aug 2, 2026.

Frequently asked

What is DIAMOND TRANSPORTATION SERVICES CORP's USDOT number?

DIAMOND TRANSPORTATION SERVICES CORP's USDOT number is 1050453, and its motor carrier number is MC-440179.

Is DIAMOND TRANSPORTATION SERVICES CORP authorized to operate?

As of Aug 2, 2026, DIAMOND TRANSPORTATION SERVICES CORP is active in the FMCSA register with common, contract, broker operating authority on file.

What is DIAMOND TRANSPORTATION SERVICES CORP's safety record?

DIAMOND TRANSPORTATION SERVICES CORP has a 0.0% vehicle out-of-service rate (national average 22.26%) across 22 roadside inspections, with 4 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 82/100 (tier: review).