Carrier profile · USDOT 451422 · MC-125283 · Updated Jun 13, 2026
R L Mcnair and Son LLC
21 power unitsavg 19.4 yrLocal · 2 statesEMMITSBURG, MD87/100
CARRIER ACTIVEMC-125283 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.
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (1 truck · 1 carriers)
Across all inspections on record: USDOT 3365651
Shares a company officer with other carriers
terry mcnair — 2 carriers: USDOT 2525292
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)2121
Observed (24 mo)1111
Shared w/ other carriers11
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 |
|---|---|---|---|---|
| 1XPXD4EX39D775090View sourced platform decode | 2 | 6 | Aug 14, 2023 | Jul 6, 2026 |
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 2 related authorities · joined by officer
- Authorities
- 2
- Combined power
- 23
- States
- 2
- Oldest authority
- Jul 10, 1991
- Active now
- 1
- R L MCNAIR AND SON LLC· viewingUSDOT 45142221PU
- SQUARE DEAL LUMBER AND HARDWARE LLCUSDOT 25252922PU
Affiliated entities· hover to preview