Master Supply Line LLC (USDOT 4447243)
DBA Master Supply Line
USDOT 4447243 · Active · Macungie · PA
Public listing
- Legal name
- Master Supply Line LLC
- License or register id
- USDOT 4447243
- Status
- Active
- State
- PA
- City
- Macungie
- Category
- Private Property
- Phone
- +1 (610) 966-9636
- Address
- 49 S Poplar St, Macungie, PA, 18062-1335
- 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
- 3
- Drivers
- 12
- Operation
- Intrastate non-hazmat
- Classification
- Private Property
- Census status
- Active
- Trucks
- 3
- MCS-150 mileage
- 0 (0)
- MCS-150 date
- 20250801
- Fleet size
- 2–3 power units
- Hazmat
- No
- Company officer
- Kevin S Master, Barbara A Master
- Mailing address
- 49 S Poplar St, Macungie, PA, 18062-1335
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
About
Master Supply Line LLC is in the FMCSA Company Census as USDOT 4447243. census status Active. address 49 S Poplar St, Macungie, PA, 18062-1335. 3 power units. 12 drivers. Private Property. Intrastate non-hazmat operation. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify Master Supply Line LLC?
Match the legal name and USDOT 4447243 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.

