Carrier profile · USDOT 244895 · MC-172537 · Updated Jun 13, 2026
RSO INC
3 power unitsLAUREL, MD0/100
CARRIER INACTIVEMC-172537 INACTIVEOUT-OF-SERVICE ORDERRATED SATISFACTORYHAZMAT
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
- 5204 MINNICK RD, LAUREL, MD, 20707-3138
- Mailing address
- PO BOX 1450, LAUREL, MD, 20725-1450
- Operation
- Interstate· Hazmat
Contact
- Phone
- (301) 953-2482
- Cell
- (301) 602-2750
- Fax
- (301) 498-3017
- dwellner@rsoinc.com
- Web domain
- rsoinc.com
Registration
- Officers
- Gregory Smith · Wendy Caulk
- USDOT / docket
- 244895 · MC-172537
- First registered
- Apr 6, 1984
- Last MCS-150
- Aug 26, 2024 · 18,000 mi (2022)
- FMCSA safety rating
- Satisfactory · Jun 17, 2024
- D-U-N-S
- 69279669
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.