Carrier profile · USDOT 778442 · MC-348261 · Updated Jun 13, 2026
TMK Truck Lines Inc
1 power unitPORTSMOUTH, IA50/100
CARRIER ACTIVEMC-348261 ACTIVE
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
- 411 780TH STREET, PORTSMOUTH, IA, 51565
- Mailing address
- P O BOX 91, PORTSMOUTH, IA, 51565
- Operation
- Interstate
Contact
- Phone
- (712) 743-3611
- Cell
- (402) 680-6452
- Fax
- (712) 743-2101
- tjk@radiks.net
- Web domain
- radiks.net
Registration
- Officers
- Thomas M Kieffman · Tracy J Kleffman
- USDOT / docket
- 778442 · MC-348261
- First registered
- Oct 27, 1998
- Last MCS-150
- Jan 29, 2026 · 59,000 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
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.