Carrier profile · USDOT 441104 · Updated Jun 13, 2026
GRP & ASSOCIATES INC
7 power unitsavg 5.2 yrRegional · 6 statesMASON CITY, IA100/100
AUTHORITY STATUS UNKNOWN
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
- 935 15TH ST SW, MASON CITY, IA, 50401
- Mailing address
- P O BOX 94, CLEAR LAKE, IA, 50428
- Operation
- Interstate
Contact
- Phone
- (641) 357-2566
- Web domain
- sharpsdisposal.com
Registration
- Officers
- Mike Rollefson · Dustin Brown
- USDOT / docket
- 441104
- First registered
- Mar 28, 1991
- Last MCS-150
- Apr 20, 2026 · 60,000 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 798081188
Fleet (self-reported · MCS-150)
—CDL drivers
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.