Carrier profile · USDOT 2363224 · Updated Jun 13, 2026
MARK BUCHANAN
DBA DOOR DOCTOR LLC
1 power unitBRANDON, SD50/100
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 company officer with other carriers
mark buchanan — 6 carriers: USDOT 2116628USDOT 3347562USDOT 3719865USDOT 3883277USDOT 4468544
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 6 related authorities · joined by officer
- Authorities
- 6
- Combined power
- 15
- States
- 5
- Oldest authority
- Feb 2, 2011
- Active now
- 5
- MARK BUCHANAN· viewingUSDOT 23632241PU
- STRUCTURAL INTEGRITY GROUP LLCUSDOT 38832776PU
- MACKANAN LLCUSDOT 37198654PU
- MARK BUCHANANUSDOT 33475622PU
- HIGHLANDER EXPRESS LLCUSDOT 44685441PU
- MARK BUCHANAN EXCAVATING LLCUSDOT 21166281PU
Affiliated entities· hover to preview