Carrier profile · USDOT 3883277 · Updated Jun 13, 2026
STRUCTURAL INTEGRITY GROUP LLC
6 power unitsavg 7.4 yrLocal · 1 statesCONROE, TX50/100
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.
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 2380947
Shares a company officer with other carriers
mark buchanan — 6 carriers: USDOT 2116628USDOT 2363224USDOT 3347562USDOT 3719865USDOT 4468544
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)66
Observed (24 mo)33
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 |
|---|---|---|---|---|
| 4P5FD4020H1271997 | 2 | 4 | Aug 9, 2023 | Sep 25, 2025 |
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
- STRUCTURAL INTEGRITY GROUP LLC· viewingUSDOT 38832776PU
- MACKANAN LLCUSDOT 37198654PU
- MARK BUCHANANUSDOT 33475622PU
- HIGHLANDER EXPRESS LLCUSDOT 44685441PU
- MARK BUCHANANUSDOT 23632241PU
- MARK BUCHANAN EXCAVATING LLCUSDOT 21166281PU
Affiliated entities· hover to preview