Carrier profile · USDOT 136742 · Updated Jun 13, 2026

C H GUENTHER & SON LLC

DBA PIONEER FLOUR MILLS

1 power unitLocal · 1 statesSAN ANTONIO, 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.

Shares a registration email domain with other carriers

@chg.com4 carriers: USDOT 23144USDOT 1442041USDOT 1633855

Shares a company officer with other carriers

brooks meltzer2 carriers: USDOT 23144

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)1

Registered and roadside-observed capacity are broadly consistent.

Owner / group view· confidence: email domain + officer

Owner / group view

Affiliated authorities

Collapses 4 related authorities · joined by email domain + officer

Authorities
4
Combined power
4
States
2
Oldest authority
Jun 1, 1974
Active now
3