C H Guenther & Son LLC (USDOT 136742)
DBA Pioneer Flour Mills
USDOT 136742 · Active · San Antonio · TX
Public listing
- Legal name
- C H Guenther & Son LLC
- License or register id
- USDOT 136742
- Status
- Active
- State
- TX
- City
- San Antonio
- Category
- Private Property
- Phone
- +1 (210) 227-1401
- Address
- 129 E Guenther St, San Antonio, TX, 78204
- Official source
- FMCSA Company Census
Verify this record on the official source named above before you hire, fund, or rely on it. An index listing is not an endorsement, a rating, or a review. Empty phone or address means that public file did not include it.
Census fleet
- Power units
- 1
- Drivers
- 1
- Operation
- Intrastate non-hazmat
- Classification
- Private Property
- Census status
- Active
- Trucks
- 1
- Trailers
- 20
- MCS-150 mileage
- 10 (2025)
- MCS-150 date
- 20260220
- Fleet size
- 1 power units
- Hazmat
- No
- Business type
- Corporation
- Company officer
- Tom Davis, Brooks Meltzer
- Mailing address
- Po Box 118, San Antonio, TX, 78291
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
Inspections
- Inspection count
- 2
Aggregated from public SMS Input – Inspection (rbkj-cgst). Counts are offline; samples are newest-first.
Crashes
- Crash count
- 1
Aggregated from public SMS Input – Crash (4wxs-vbns). Not an FMCSA safety rating.
About
C H Guenther & Son LLC is in the FMCSA Company Census as USDOT 136742. census status Active. address 129 E Guenther St, San Antonio, TX, 78204. 1 power units. 1 drivers. Private Property. Intrastate non-hazmat operation. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify C H Guenther & Son LLC?
Match the legal name and USDOT 136742 on FMCSA SAFER. BrokerMafia republishes the public Motus and Company Census record and does not endorse the firm.
What does this listing show?
Operating authority, USDOT, census fleet, and insurance filings when those fields are on the FMCSA extract.

