Carrier profile · USDOT 766897 · Updated Jul 18, 2026
MASTER VAC INDUSTRIAL SERVICES LLC
34 power unitsLocal · 1 statesGEISMAR, LA50/100
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 (2 trucks · 1 carriers)
Across all inspections on record: USDOT 1237781
Shares a registration email domain with other carriers
@mastervac.com — 2 carriers: USDOT 1237781
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)3434
Observed (24 mo)33
Shared w/ other carriers22
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 |
|---|---|---|---|---|
| 1M9A3033XJH036174 | 2 | 3 | Oct 16, 2023 | Jun 22, 2026 |
| 1UNSH48257C053010 | 2 | 7 | Feb 8, 2024 | Jun 5, 2025 |
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 2 related authorities · joined by email domain
- Authorities
- 2
- Combined power
- 122
- States
- 1
- Oldest authority
- Aug 25, 1998
- Active now
- 2
- MASTER VAC INDUSTRIAL SERVICES LLC· viewingUSDOT 76689734PU
- DYNAMIC ENVIRONMENTAL SERVICES LLCUSDOT 123778188PU
Affiliated entities· hover to preview