Carrier profile · USDOT 490228 · Updated Jun 13, 2026
Grunwald Mechanical Contractors Inc
4 power unitsOMAHA, NE50/100
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
- 8720 F STREET, OMAHA, NE, 68127
- Mailing address
- PO BOX 24467, OMAHA, NE, 68124
- Operation
- Interstate
Contact
- Phone
- (402) 342-1911
- Fax
- (402) 342-5862
- Web domain
- grunwald1.com
Registration
- Officers
- Carole J Wilczewski · Robert J Wilczewski
- USDOT / docket
- 490228
- First registered
- Jul 8, 1992
- Last MCS-150
- Aug 26, 2011 · 10,000 mi (2011)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 7496797
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.