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Carrier profile · USDOT 136554 · MC-129673

SOUTHERN WAREHOUSING & DISTRIBUTION INC

34 power unitsavg 11.7 yrLocal · 1 statesSAN ANTONIO, TX
CARRIER ACTIVEMC-129673 ACTIVE
Observed fleet · trailing 24 mo daily
34Power units
22 observed · MCS-150
30Trailers seen
Decoded · vPIC
11.7Avg age (yr)
1997–2026 · vPIC
Operating authority52 yr active
since 1974
Insurance (BIPD)On file
FMCSA L&I
Vehicle OOS · 24mo18.9%
22.26% nat'l
Crashes · fatal0
2 in 24mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Asset-based

34 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

11.7 yr

Model years 1997–2026 · peer benchmark computing.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

AI readLocal operator, 52-yr authority, 19% vehicle OOS clear to load.Full read

Is SOUTHERN WAREHOUSING & DISTRIBUTION INC safe to work with?

Is SOUTHERN WAREHOUSING & DISTRIBUTION INC safe to load? SOUTHERN WAREHOUSING & DISTRIBUTION INC (USDOT 136554, MC-129673) is an active asset-based motor carrier based in SAN ANTONIO, TX, operating 34 power units and 23 drivers. Operating authority has been active 52 years (past the 24-month broker-confidence threshold). Across 81 roadside inspections, its vehicle out-of-service rate is 18.9% (below the 22.26% national average), with 2 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (94/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.

FMCSA fields + Vektor analysis · updated 2026-06-13
01

Safety

81 inspections · 24 mo · vs national benchmarks

Out-of-service rate· trailing 24 months vs national benchmark

Vehicle OOS 18.9% (24-mo)53 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 0.0% (24-mo)56 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%

OOS trajectory· trailing 6-mo vehicle-OOS rate vs national

5.9% now▼ Improving

Trailing rate down 10.3 pts across the window — latest under the 22.26% national benchmark.

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 34-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
34
Inspections · 24 mo
56
Annualized
28 / 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.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving15
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance14
  • 393.9 Inoperative required lampsVehicle Maintenance13 · 5 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance13 · 6 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance13 · 6 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance10 · 1 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance6 · 1 OOS
  • 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance5
  • 396.17 Periodic (annual) inspectionVehicle Maintenance5
  • 396.5 Oil and/or grease leakVehicle Maintenance4
Explore full safety record — inspections, BASICs, crashes
02

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 (required)Filed with FMCSA
CargoFiled with FMCSA
Surety bond (BMC-84)None

Insurance continuity· insurer · policy · lapses

$750k BIPD · 6 insurers · 0 lapsesInsurer churn
+2 earlier
Old Republic · 93–08
Empire Fire · 08–09
Valley Forge · 10–12
Nationwide Comp · 13–17
19932017

No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.

6 insurer eras · collapsed from 10 filings
InsurerPeriodLimitRenewals
NATIONWIDE MUTUAL INSURANCE COMPJan 2013Feb 2017$750k2
GREAT WEST CASUALTY CO.Dec 2012Dec 2012$750k3
VALLEY FORGE INSURANCE CO.Dec 2010Dec 2012$750k1
AMERICAN GUARANTEE & LIABILITY INS. CO.Dec 2009Dec 2010$750k1
EMPIRE FIRE & MARINE INSURANCE CO.May 2008Dec 2009$750k2
OLD REPUBLIC INSURANCE COMPANYJun 1993May 2008$750k1
Explore full authority & insurance record
03

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150)
34
Observed power (24 mo)
22
Trailers (towed)
30

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

Fleet age· model years · decoded VINs

11.7 yr
Average age
2026
Newest model yr
1997
Oldest model yr
27%
VINs decoded
Explore full fleet — VIN roster, equipment mix, age distribution
04

Operations & lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo56
TX busiest

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

Home base
SAN ANTONIO, TX
3232 N PANAM EXPY
Top corridor
TX
TX 56
Density
fewermore
Shade = roadside inspections, last 24 mo.
See the full operating map — state density, top lanes
05

Network & fraud

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

Last 12 months: 4 trucks also ran under 2 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 664776USDOT 3620637Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (8 trucks · 7 carriers)

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)34
Observed (24 mo)22
Shared w/ other carriers8

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links
06

Identity & contact

FMCSA census + L&I dossier

Location

Mailing address
PO BOX 8100, SAN ANTONIO, TX, 78208
Operation
Intrastate (Hazmat)

Contact

Fax
(210) 226-9485
Web domain
southernwd.com

Registration

Officer
Dayton Simms
USDOT / docket
136554 · MC-129673
First registered
06/01/1974
Last MCS-150
01/23/2025 · 200,000 mi (2024)
FMCSA safety rating
Not rated
Recordable crash rate
0.69
D-U-N-S
3864436

Fleet (self-reported · MCS-150)

34Power units
23Drivers
23CDL drivers
200,000Annual mileage
Open the full identity & federal record
07

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
08

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score
No verified reviews yet

Be the first broker or shipper to rate SOUTHERN WAREHOUSING & DISTRIBUTION INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.

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09

Frequently asked

What is SOUTHERN WAREHOUSING & DISTRIBUTION INC's USDOT number?

SOUTHERN WAREHOUSING & DISTRIBUTION INC's USDOT number is 136554, and its motor carrier number is MC-129673.

Is SOUTHERN WAREHOUSING & DISTRIBUTION INC authorized to operate?

As of 2026-06-13, SOUTHERN WAREHOUSING & DISTRIBUTION INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is SOUTHERN WAREHOUSING & DISTRIBUTION INC's safety record?

SOUTHERN WAREHOUSING & DISTRIBUTION INC has a 18.9% vehicle out-of-service rate (national average 22.26%) across 81 roadside inspections, with 2 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 94/100 (tier: clear).

How big is SOUTHERN WAREHOUSING & DISTRIBUTION INC's fleet?

SOUTHERN WAREHOUSING & DISTRIBUTION INC operates 34 power units and 23 drivers per its most recent MCS-150 filing.

Where is SOUTHERN WAREHOUSING & DISTRIBUTION INC based?

SOUTHERN WAREHOUSING & DISTRIBUTION INC is based in SAN ANTONIO, TX, with roadside inspections recorded across 1 state.