Carrier profile · USDOT 172954 · MC-1535071 · Updated Aug 6, 2026

SOUTHERN MAIL SERVICE INC

361 power unitsavg 8.5 yrNational · 22 statesCONROE, TX88/100
CARRIER ACTIVEMC-1535071 ACTIVERATED SATISFACTORY
Verified linkssouthernmail.comFMCSA SAFER

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

Last 12 months: 20 trucks also ran under 20 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 3037338USDOT 3566257USDOT 3953842USDOT 4129595USDOT 3575439USDOT 4236189USDOT 3229360USDOT 3371049Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (57 trucks · 52 carriers)
Across all inspections on record: USDOT 2993806USDOT 3037338USDOT 3566257USDOT 3953842USDOT 4129595USDOT 1479667USDOT 1742174USDOT 2911559

Shares a registration email domain with other carriers

@southernmail.com — 4 carriers: USDOT 250564USDOT 356803USDOT 638656

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)361
Observed (24 mo)95
Shared w/ other carriers58

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

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
3AKJHHFG8RSUW119578Aug 5, 2023Jun 16, 2026
1GR1P0621NK33450266Oct 17, 2024Jul 7, 2026
5V8VC5327MT10781555Jul 9, 2024May 21, 2026
1JJV532D9LL19273346Sep 25, 2023Jun 30, 2026
5V8VC5327SM50298744Dec 24, 2024May 23, 2026
5V8VC5329SM50393245Jun 22, 2025May 16, 2026
1JJV532D5HL01873244Aug 30, 2023Jan 9, 2026
5V8VC5326TM60883433Dec 30, 2025Jul 20, 2026
5V8VC5323ST50247433Mar 6, 2026Jul 8, 2026
1JJV532F3XF52688833Apr 29, 2024Jul 4, 2026
1JJV532DXDL77981635Sep 9, 2023Jun 14, 2026
1JJV532D1CL67532633Feb 18, 2024Jun 7, 2026
3AKJHHFG9LSLN783837Mar 17, 2025Jun 1, 2026
3H3V532K3SS13406833Jan 1, 2026May 14, 2026
5V8VC5327ST50169733Nov 11, 2025May 9, 2026
3AKJHHFG3RSUW753535Jun 30, 2023Dec 28, 2025
1GRAA06293T00282034Dec 23, 2023Aug 31, 2025
5WSAA4228FN04664233Sep 26, 2023Apr 21, 2025
1GRAP0625GJ65848134Jun 22, 2023Apr 23, 2024
3H3V532C67T38825423Jul 18, 2025Jul 27, 2026
3H3V532C1HT37169922Nov 25, 2025Jul 24, 2026
1JJV532D2EL82431422Nov 3, 2023Jul 19, 2026
1GR1P062XSJ71478022Feb 24, 2026Jul 15, 2026
1JJV532W27L03577722Dec 13, 2025Jul 6, 2026
1XKZD40X9TJ22907022Apr 15, 2026Jul 2, 2026
1UYVS2532M312602523Sep 22, 2023Jun 19, 2026
1DW1A5320EB43042122Aug 29, 2024Jun 4, 2026
1UYVS25307P26542322Apr 11, 2024Jun 2, 2026
5MAPA4828GA03337922Jan 15, 2026Jun 1, 2026
5V8VA53255M50240222Jul 7, 2024May 30, 2026
3H3V532C7CT08311422May 2, 2024May 26, 2026
3H3V532C97T38828122Oct 11, 2025Apr 28, 2026
1XKYD49X7FJ40857924Jun 20, 2023Apr 13, 2026
1FUJA6CK07LW2935623Oct 6, 2023Mar 30, 2026
1DW1A5324GB69262423Jan 6, 2024Mar 27, 2026
1JJV532D7CL67483022Jul 30, 2023Mar 21, 2026
1DW1A532XPBB1164622Aug 31, 2024Mar 7, 2026
1JJV532D5FL85551222Dec 8, 2025Feb 26, 2026
1DW1A5323CB31742923Aug 25, 2024Feb 25, 2026
3H3V482C4JR31828622Jul 24, 2025Feb 17, 2026

Showing the 40 most cross-linked of 58 shared VINs.

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 4 related authorities · joined by email domain

Authorities
4
Combined power
472
States
1
Oldest authority
Jun 1, 1974
Active now
2

Affiliated entities· hover to preview

COOK MAIL SERVICE INCALAMO MAIL SERVICE INCLEEWAY TRANSPORTATION INC