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
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 129 E GUENTHER ST, SAN ANTONIO, TX, 78204
- Mailing address
- PO BOX 118, SAN ANTONIO, TX, 78291
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (210) 227-1401
- Fax
- (210) 227-9304
- abowles@chg.com
- Web domain
- chg.com
Registration
- Officers
- Tom Davis · Brooks Meltzer
- USDOT / docket
- 136742
- First registered
- Jun 1, 1974
- Last MCS-150
- Feb 20, 2026 · 10 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 88115099
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.