Carrier profile · USDOT 819592 · Updated Jun 13, 2026
KOLB GRADING LLC
23 power unitsavg 10.8 yrRegional · 5 statesWELDON SPRING, MO87/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
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 2281781
Shares a registration email domain with other carriers
@kolbgrading.com — 3 carriers: USDOT 1839114USDOT 4518348
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)2323
Observed (24 mo)77
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 |
|---|---|---|---|---|
| 1NKZXKTX9RJ327848 | 2 | 2 | Aug 20, 2024 | Jul 16, 2026 |
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 3 related authorities · joined by email domain
- Authorities
- 3
- Combined power
- 42
- States
- 1
- Oldest authority
- Jul 19, 1999
- Active now
- 2
- KOLB GRADING LLC· viewingUSDOT 81959223PU
- IRONCLAD LPUSDOT 183911418PU
- KOLB DRILLING & BLASTING LLCUSDOT 45183481PU
Affiliated entities· hover to preview