Carrier profile · USDOT 348981 · Updated Jun 13, 2026
W B MASON CO INC
834 power unitsavg 3.4 yrNational · 21 statesBROCKTON, MA88/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONALHAZMAT
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: 7 trucks also ran under 10 other carriers
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 16130USDOT 360872USDOT 1296119USDOT 4248238USDOT 3284765USDOT 3372054USDOT 1706017USDOT 3817964Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (54 trucks · 69 carriers)
Across all inspections on record: USDOT 1461529USDOT 1559451USDOT 3537456USDOT 3834613USDOT 3853686USDOT 633854USDOT 1671658USDOT 1761848
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)834834
Observed (24 mo)305305
Shared w/ other carriers5454
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
| VIN | Carriers | Inspections | First seen | Last seen |
|---|---|---|---|---|
| 3HAEUMML0NL251533 | 6 | 6 | Aug 7, 2023 | Aug 28, 2025 |
| 3ALACWFC6RDUV9882 | 5 | 6 | Dec 21, 2023 | Jun 1, 2026 |
| 1HTMMMML2JH578981 | 5 | 5 | Jun 27, 2023 | Jul 2, 2025 |
| JALCDW167L7009778 | 4 | 4 | Jun 15, 2023 | Jul 27, 2026 |
| 3ALACWFC4NDNB7185 | 4 | 6 | Jan 30, 2024 | Jul 1, 2026 |
| 1HTMMMMLXJH580204 | 3 | 3 | May 21, 2025 | May 11, 2026 |
| 3ALACWFC0SDVS2996 | 3 | 3 | Oct 13, 2025 | May 4, 2026 |
| 1FVACXFC1RHUW2835 | 3 | 3 | Jan 29, 2024 | Apr 29, 2026 |
| 3HAEUMMN8LL847732 | 3 | 4 | Apr 8, 2024 | Mar 27, 2026 |
| 1HTMMMML6KH583957 | 3 | 7 | Jul 28, 2023 | Mar 25, 2026 |
| 1HTEUMML1LH801082 | 3 | 3 | Apr 24, 2024 | Mar 23, 2026 |
| JALCDW167K7011447 | 3 | 3 | Nov 19, 2025 | Mar 19, 2026 |
| 3ALACWFC0NDNH9215 | 3 | 3 | Dec 9, 2024 | Jan 21, 2026 |
| 3HAEUMML2LL848762 | 3 | 3 | May 20, 2024 | Dec 30, 2025 |
| 3HAEUMML7NL201163 | 3 | 3 | Oct 4, 2023 | Dec 23, 2025 |
| 3ALACWFC9PDUH7754 | 3 | 4 | Jul 14, 2023 | Nov 13, 2025 |
| 3HAEUMML3NL630364 | 3 | 4 | Oct 4, 2023 | Aug 2, 2025 |
| JALCDW163N7013801 | 3 | 6 | Jan 30, 2024 | Jul 8, 2025 |
| JALCDW166N7015610 | 3 | 3 | Aug 2, 2023 | Jun 14, 2025 |
| 3AKJHLDV3SSVV2613 | 3 | 3 | Sep 10, 2024 | Jun 2, 2025 |
| 1UYVS2538GG452604 | 2 | 2 | Jul 16, 2025 | Jul 28, 2026 |
| 3HAEUMMN3LL847881 | 2 | 3 | Feb 5, 2025 | Jul 28, 2026 |
| 4UZAARDU9HCJB8875 | 2 | 3 | May 21, 2024 | Jul 21, 2026 |
| 3HAEUMML7RL776207 | 2 | 7 | Oct 19, 2023 | Jul 8, 2026 |
| 3HSDZAPR0PN232432 | 2 | 2 | Nov 18, 2025 | Jun 24, 2026 |
| 1FVACWFC8THWM4470 | 2 | 4 | Jul 22, 2025 | Jun 17, 2026 |
| JALC4W167J7008434 | 2 | 2 | Aug 21, 2025 | May 8, 2026 |
| 1UYVS2536P3921518 | 2 | 2 | Aug 17, 2023 | May 4, 2026 |
| JALCDW168N7013132 | 2 | 4 | Oct 12, 2023 | Apr 13, 2026 |
| JALCDW166N7013596 | 2 | 3 | Nov 30, 2023 | Apr 6, 2026 |
| 4UZAARDU0HCHW4328 | 2 | 3 | Mar 18, 2024 | Mar 30, 2026 |
| JALCDW169N7015570 | 2 | 2 | Jul 29, 2025 | Mar 16, 2026 |
| 3HSDZAPR7SN105413 | 2 | 2 | Jan 3, 2025 | Feb 24, 2026 |
| 4UZAARDU0HCHX8519 | 2 | 2 | Aug 29, 2023 | Feb 23, 2026 |
| 3HCDZAPT1LL888555 | 2 | 2 | Feb 7, 2024 | Feb 19, 2026 |
| 3HAEUMML5LL848707 | 2 | 2 | Apr 17, 2025 | Feb 9, 2026 |
| 4UZAARFC8PCUY7895 | 2 | 3 | Jun 10, 2024 | Jan 28, 2026 |
| 3HSDZAPR9RN495215 | 2 | 2 | Apr 17, 2024 | Jan 19, 2026 |
| 1FVACXFE1RHUK4930 | 2 | 8 | Dec 27, 2023 | Jan 14, 2026 |
| 3HSDZAPR0PN600396 | 2 | 2 | May 16, 2025 | Jan 8, 2026 |
Showing the 40 most cross-linked of 54 shared VINs.