R W Warner INC (USDOT 565318)
DBA Warner Mechanical - Warner Construction - Kaempf And Harris Custom Sheetmetal
USDOT 565318 · Active · Frederick · MD
Public listing
- Legal name
- R W Warner INC
- License or register id
- USDOT 565318
- Status
- Active
- State
- MD
- City
- Frederick
- Category
- Private Property
- Phone
- +1 (301) 662-5387
- Address
- 217 Monroe Avenue, Frederick, MD, 21701-3113
- 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
- 7
- Drivers
- 9
- Operation
- Interstate
- Classification
- Private Property
- Census status
- Active
- Trucks
- 7
- MCS-150 mileage
- 120000 (2025)
- MCS-150 date
- 20251001
- Fleet size
- 7–8 power units
- Hazmat
- Yes
- Business type
- Corporation
- Company officer
- Matthew M Warner, Joseph A Frank
- Mailing address
- 217 Monroe Avenue, Frederick, MD, 21701-3113
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
Inspections
- Inspection count
- 7
- Vehicle OOS total
- 1
Aggregated from public SMS Input – Inspection (rbkj-cgst). Counts are offline; samples are newest-first.
About
R W Warner INC is in the FMCSA Company Census as USDOT 565318. census status Active. address 217 Monroe Avenue, Frederick, MD, 21701-3113. 7 power units. 9 drivers. Private Property. Interstate operation. hazmat indicated. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify R W Warner INC?
Match the legal name and USDOT 565318 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.

