Carrier profile · USDOT 136742 · Updated Sep 6, 2026
C H Guenther & Son LLC
DBA PIONEER FLOUR MILLS
1 power unitavg 6.8 yrLocal · 2 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.com — 4 carriers: USDOT 23144USDOT 1442041USDOT 1633855
Shares a company officer with other carriers
brooks meltzer — 2 carriers: USDOT 23144
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)22
Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.
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
- C H GUENTHER & SON LLC· viewingUSDOT 1367421PU
- THE MORRISON MILLING COMPANYUSDOT 231441PU
- SERVICE FIRST DISTRIBUTION COMPANY LLLPUSDOT 14420411PU
- COOKIETREE LLCUSDOT 16338551PU
Affiliated entities· hover to preview