Carrier profile · USDOT 4256462 · Updated Jun 13, 2026

COMBO THRESHOLD CORP

DBA COMBO ALUMINUM PRODUCTS

1 power unitavg 8 yrLocal · 1 statesEL CAJON, CA50/100
AUTHORITY STATUS UNKNOWN
Verified linkscomboaluminum.comFMCSA SAFER

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 2659115

Shares a registration email domain with other carriers

@comboaluminum.com — 2 carriers: USDOT 2659115

Shares a company officer with other carriers

nathan lewis — 8 carriers: USDOT 654464USDOT 1850811USDOT 2802677USDOT 3146430USDOT 3926712USDOT 4161490USDOT 4186191

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)1
Shared w/ other carriers1

Registered and roadside-observed capacity are broadly consistent.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
5PVNJ8JV5J4S6905225Jan 4, 2024Nov 19, 2025

Owner / group view· confidence: email domain + officer

Owner / group view

Affiliated authorities

Collapses 9 related authorities · joined by email domain + officer

Authorities
9
Combined power
14
States
8
Oldest authority
Aug 14, 1996
Active now
6

Affiliated entities· hover to preview

RALPH LEWIS INCSKYLINE LANDSCAPING LLCFATBOY LIVESTOCK LLCBIG NATES TRUCKING LLCNATHAN RUSSELL LEWISNATHAN C LEWISCOMBO THRESHOLD CORPLEWIS LONG HAUL LLC