Carrier profile · USDOT 511921 · Updated Jun 13, 2026

CARR AND DUFF LLC

322 power unitsavg 8.7 yrLocal · 1 statesHUNTINGDON VALLEY, PA94/100
AUTHORITY STATUS UNKNOWN

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.

Shares a registration email domain with other carriers

@carrduff.com2 carriers: USDOT 511530

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)322
Observed (24 mo)14

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

Owner / group view· confidence: email domain

Owner / group view

Affiliated authorities

Collapses 2 related authorities · joined by email domain

Authorities
2
Combined power
350
States
1
Oldest authority
Feb 3, 1993
Active now
1
  • CARR AND DUFF LLC· viewingUSDOT 511921
    322PU
  • CARR AND DUFFUSDOT 511530
    28PU

Affiliated entities· hover to preview