Carrier profile · USDOT 4473629 · MC-1547581 · Updated Jun 13, 2026
SIGMA SQUARED TRANSPORT CORPORATION
2 power unitsavg 7 yrRegional · 3 statesSIOUX FALLS, SD50/100
CARRIER ACTIVEMC-1547581 ACTIVE
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: 1 truck also ran under 1 other carrier
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 1106798Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (4 trucks · 5 carriers)
Across all inspections on record: USDOT 555834USDOT 606056USDOT 125630USDOT 1106798USDOT 34666
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)22
Observed (24 mo)22
Shared w/ other carriers44
Registered and roadside-observed capacity are broadly consistent.
Shared-VIN cross-links· units inspected under more than one USDOT
| VIN | Carriers | Inspections | First seen | Last seen |
|---|---|---|---|---|
| 1RNF53A20JR042840 | 3 | 5 | Jun 19, 2023 | Jan 28, 2026 |
| 1UYVS2535HU725517 | 2 | 4 | Jan 24, 2024 | Jul 4, 2026 |
| 3AKJHHDR7LSLS2851 | 2 | 4 | Jun 20, 2025 | Jul 4, 2026 |
| 3AKJHHDR1MSMT3008 | 2 | 2 | Feb 6, 2025 | Jan 28, 2026 |