Carrier profile · USDOT 1933593 · Updated Sep 6, 2026

Southwest Sealers Inc

DBA SOUTHWEST CONSTRUCTION SERVICES INC

13 power unitsavg 7.8 yrLocal · 1 statesDALLAS, TX87/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

13Power units

13 observed · MCS-150

8Trailers seen

Decoded · vPIC

7.8Avg age (yr)

2012–2026 · vPIC

Call dispatch(214) 879-9948 Email dispatchdphifer@sw-construction.com

Click to see how we scored it

Load decision · FMCSA snapshot · Sep 6, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Watch · 2

Vehicle out-of-service rate above average33.3% vs the 22.26% national average.Driver out-of-service rate above average9.1% vs the 6.7% national average.

In good standing · 1

Established 17 yearsOperating authority has been on file since 2009.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo33.3%

▲ 22.26% nat'l

Crashes · fatal

1 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo33.3%

▲ 22.26% nat'l

Crashes · fatal

1 in 24 mo

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

Fleet typeIdentity

Asset-based

13 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

7.8 yr

Model years 2012–2026 · peer benchmark unavailable.

Identity stabilityStable

17 yr unchanged

Same registration since 2009 — no chameleon / reincarnation signal.

Safety

22 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 33.3%24-mo cumulative

050%nat'l 22.26%

Driver OOS 9.1%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 21 vehicle and 22 driver inspections over 24 months.

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

27.3% · 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 17.3 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

22 inspections in the charted months · busiest month Apr '26 · 3

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.

Well-monitored

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.8 / unit·yr

thin signalabundant signal

Within the expected band for a 13-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 13
Inspections · 24 mo: 22
Annualized: ≈11 / 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.

393.9 Inoperative required lampsVehicle Maintenance12 · 1 OOS
393.48 Brakes inoperativeVehicle Maintenance9 · 1 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance7 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance7 · 4 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance7 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving6 · 0 OOS
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance5 · 0 OOS
393.43 Parts & accessories (vehicle condition)Vehicle Maintenance5 · 5 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance4 · 2 OOS
390.21 USDOT number marking on vehicleUnsafe Driving4 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

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.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 13
Observed power (24 mo): 13
Trailers (towed): 8

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

Fleet age· model years · decoded VINs

7.8 yr

Average age

2026

Newest model yr

2012

Oldest model yr

47.6%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 1 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

DALLAS, TX

11430 NEWKIRK ST

Top corridor

TX 22

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 (1 truck · 1 carriers)

Across all inspections on record: USDOT 1996179

Shares a registration email domain with other carriers

@sw-construction.com — 4 carriers: USDOT 3350285 USDOT 3350315 USDOT 3350341

Shares a company officer with other carriers

dan phifer — 4 carriers: USDOT 3350285 USDOT 3350315 USDOT 3350341

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 & Federal

FMCSA census + L&I dossier

Location

Physical address: 11430 NEWKIRK ST, DALLAS, TX, 75229
Operation: Interstate

Contact

Phone: (214) 879-9948
Fax: (214) 879-9981
Email: dphifer@sw-construction.com
Web domain: sw-construction.com

Registration

Officers: Dan Phifer · Tim Underwood
USDOT / docket: 1933593
First registered: Sep 3, 2009
Last MCS-150: Apr 13, 2026 · 500,000 mi (2025)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

500,000

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

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for SOUTHWEST SEALERS INC.

SOUTHWEST SEALERS INC (USDOT 1933593) has a Vektor safety score of 87/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Sep 6, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Sep 6, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Sep 6, 2026.

Its vehicle out-of-service rate was 33.3% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Sep 6, 2026.

The carrier received 22 roadside inspections in the last 24 months — 21 vehicle-level and 22 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Sep 6, 2026.

The carrier has 1 reportable crash in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Sep 6, 2026.

It reports 13 power units and 12 drivers in its most recent MCS-150 filing dated Apr 13, 2026.

It has no FMCSA-assigned safety rating in the federal record refreshed Sep 6, 2026.

Frequently asked

What is SOUTHWEST SEALERS INC's USDOT number?

SOUTHWEST SEALERS INC's USDOT number is 1933593.

Is SOUTHWEST SEALERS INC authorized to operate?

As of Sep 6, 2026, SOUTHWEST SEALERS INC is active in the FMCSA register.

What is SOUTHWEST SEALERS INC's safety record?

SOUTHWEST SEALERS INC has a 33.3% vehicle out-of-service rate (national average 22.26%) across 42 roadside inspections, with 1 reportable crash in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 87/100 (tier: clear).

How big is SOUTHWEST SEALERS INC's fleet?

SOUTHWEST SEALERS INC operates 13 power units and 12 drivers per its most recent MCS-150 filing.

Where is SOUTHWEST SEALERS INC based?

SOUTHWEST SEALERS INC is based in DALLAS, TX, with roadside inspections recorded across 1 state.

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