Carrier profile · USDOT 342467 · MC-936334 · Updated Aug 20, 2026

General Insulation Company

121 power unitsavg 3.2 yrNational · 28 statesMEDFORD, MA94/100
CARRIER ACTIVEMC-936334 ACTIVERATED CONDITIONAL
Verified linksgeneralinsulation.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: 3 trucks also ran under 5 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 125550USDOT 341940USDOT 2186278USDOT 3412467USDOT 2740555Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (26 trucks · 39 carriers)
Across all inspections on record: USDOT 1143676USDOT 4166747USDOT 4174999USDOT 4310353USDOT 4327724USDOT 4407178USDOT 1783089USDOT 2455342

Shares a registration email domain with other carriers

@generalinsulation.com — 3 carriers: USDOT 1593077USDOT 4523653

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)121
Observed (24 mo)80
Shared w/ other carriers27

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
3ALACWFC7RDUN4786View sourced platform decode99Feb 5, 2024Apr 21, 2026
3HAEUMML5ML145481View sourced platform decode46Apr 24, 2024Apr 22, 2026
3ALACWFC6LDLP5827View sourced platform decode48Apr 12, 2024Jan 12, 2026
1FVACWFC6RHUV2179View sourced platform decode44Mar 15, 2024Sep 24, 2025
3ALACWFC2PDNT2016View sourced platform decode44Jun 28, 2023Mar 19, 2025
1FVACWFC3RHUZ2588View sourced platform decode34Jun 5, 2024Jun 2, 2026
3HAEUMML9PL575065View sourced platform decode35Jul 17, 2023Feb 24, 2026
3ALACWDT2GDHC8846View sourced platform decode33Sep 27, 2023Aug 22, 2025
3ALACWFC1PDNT2427View sourced platform decode33Jul 26, 2023Dec 18, 2024
3ALACWFC2NDNJ0532View sourced platform decode33Jul 17, 2023Aug 28, 2024
3ALACXFEXLDLX3067View sourced platform decode34Jun 22, 2023Sep 19, 2023
5PVNJ7AV2R5T56682View sourced platform decode211Mar 1, 2024Jul 21, 2026
3HAMMMMLXHL167588View sourced platform decode25Jul 26, 2023Jun 29, 2026
3HAEUMML9SL186192View sourced platform decode23Oct 7, 2025Jun 22, 2026
1FVACWFCXPHNT1030View sourced platform decode23Feb 13, 2024Jun 16, 2026
3ALACWFC7PDUD7639View sourced platform decode25Feb 26, 2024May 29, 2026
3ALACWFC2KDKK3137View sourced platform decode23Feb 15, 2024May 5, 2026
3HAEUMML6LL230408View sourced platform decode25Aug 17, 2023Apr 21, 2026
3ALACWFC7RDUN5310View sourced platform decode22Jul 7, 2023Apr 20, 2026
5PVNJ8JV1J4S66987View sourced platform decode22Mar 18, 2024Mar 11, 2026
3ALACWDT3HDJB1065View sourced platform decode24Nov 9, 2023Feb 9, 2026
3ALACWFC5NDMV7051View sourced platform decode26Oct 11, 2023Feb 5, 2026
1HTMMMML5JH546493View sourced platform decode24Feb 26, 2024Nov 7, 2025
3ALACWFC9RDUZ2357View sourced platform decode211Jul 25, 2024Oct 28, 2025
3ALACWFC7PDNT2366View sourced platform decode22Aug 22, 2023Jun 10, 2025
3ALACWFC4KDKB8923View sourced platform decode23Aug 1, 2023Dec 15, 2024
3ALACWFC8RDUW1309View sourced platform decode22Jul 9, 2024Aug 1, 2024

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 3 related authorities · joined by email domain

Authorities
3
Combined power
123
States
2
Oldest authority
Feb 1, 1989
Active now
2

Affiliated entities· hover to preview

SPRINT STAIRS LLCHARRISON TUCKER