Carrier profile · USDOT 1837973 · MC-723987 · Updated Jun 13, 2026

Southbay Transport Inc

1 power unitavg 12.7 yrRegional · 5 statesCALEXICO, CA82/100
CARRIER INACTIVEMC-723987 INACTIVEHAZMAT

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: 6 trucks also ran under 3 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 3302407USDOT 4016411USDOT 1203373Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (35 trucks · 21 carriers)

Shares a company officer with other carriers

george benheretz2 carriers: USDOT 3122916

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)20
Shared w/ other carriers35

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

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

VINCarriersInspectionsFirst seenLast seen
3ELD4MS50N6003683View sourced platform decode610Jan 25, 2024Mar 6, 2025
3ELD4MS52N6003684View sourced platform decode59Jul 13, 2023Mar 6, 2025
5HTAB4422T7H60023View sourced platform decode46Oct 24, 2023Nov 14, 2024
1UNST4424DS128009View sourced platform decode37Sep 10, 2024Aug 3, 2026
1UNST4423DS100489View sourced platform decode36Jan 31, 2024Jul 31, 2026
1PMA1432951028155View sourced platform decode37Jun 10, 2025Jul 13, 2026
1UNST4421DS127948View sourced platform decode38Jun 14, 2023Jun 12, 2026
1JJV532D8HL999865View sourced platform decode33Sep 8, 2024Oct 25, 2025
3R9R4TM20DM001981View sourced platform decode36Apr 17, 2024Oct 23, 2025
3ELD4MS53M6000016View sourced platform decode38Jun 7, 2024Mar 6, 2025
3ELD4MS55N6003677View sourced platform decode38Jun 19, 2023Feb 27, 2025
1UNST4425FS140284View sourced platform decode34Jul 22, 2024Feb 14, 2025
5HTAB4328H7H82018View sourced platform decode35Sep 9, 2024Jan 28, 2025
1UNST4426DS100695View sourced platform decode34Jan 30, 2024Jan 24, 2025
1PMA1432921025266View sourced platform decode27Jul 14, 2023Jul 21, 2026
1XPBD49X9HD412795View sourced platform decode212Mar 20, 2024Jul 21, 2026
3HSDZAPR2JN439685View sourced platform decode215May 1, 2025Jul 6, 2026
1PMA1432421025269View sourced platform decode24May 2, 2025Jun 20, 2026
1XPBD49X1HD412791View sourced platform decode216Jun 23, 2023Jun 20, 2026
1PMA1432231026633View sourced platform decode27Jul 10, 2024Jun 19, 2026
1PMA1432X21025275View sourced platform decode26Jun 30, 2023Jun 19, 2026
1PMA1432321025263View sourced platform decode29Sep 21, 2023Jun 12, 2026
1PMC1432942026939View sourced platform decode27Jun 23, 2023Jan 30, 2026
1PMA1U32251028157View sourced platform decode210Jan 30, 2024Jan 15, 2026
1XPBD49X9JD459945View sourced platform decode27Jan 22, 2025Nov 13, 2025
1XPBD49XXJD485180View sourced platform decode25Jun 29, 2023Oct 2, 2025
1XP7DB9X87D880266View sourced platform decode25Jul 31, 2023Apr 21, 2025
1UNST4423DS128003View sourced platform decode25Mar 12, 2024Mar 6, 2025
5HTAB4328E7H79289View sourced platform decode22Sep 23, 2024Mar 6, 2025
4E7HA4227FASA4676View sourced platform decode210Mar 21, 2024Mar 4, 2025
3ELD4MS56L6003670View sourced platform decode23Oct 9, 2024Jan 22, 2025
5HTAB4525D7H78905View sourced platform decode23Jun 13, 2023Jan 7, 2025
1PMA24426V5001094View sourced platform decode23Oct 5, 2023Nov 5, 2024
5HTAM4525G7H81561View sourced platform decode24Dec 6, 2023Feb 14, 2024
10BEA92U6VW0W1123View sourced platform decode22Oct 12, 2023Dec 7, 2023

Owner / group view· confidence: officer

Owner / group view

Affiliated authorities

Collapses 2 related authorities · joined by officer

Authorities
2
Combined power
1
States
1
Oldest authority
Dec 15, 2008
Active now
2

Affiliated entities· hover to preview