Carrier profile · USDOT 3188897 · Updated Jul 4, 2026

API HVAC SERVICES INC

DBA GRUNAU COMPANY TESSIERS MECHANICAL CONTRACTORS NAC MECHANICAL AND ELECTRICAL SERVICES METROPOLITAN MECHANICAL CONTRACTOR

54 power unitsLocal · 2 statesEDEN PRAIRIE, MN88/100
AUTHORITY STATUS UNKNOWN
Verified linksnacmech.usFMCSA SAFER

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

Mailing address
1100 W ANDERSON CT, OAK CREEK, WI, 53154
Operation
Interstate

Contact

Fax
(414) 768-7650
Web domain
nacmech.us

Registration

Officers
Bill Ball · Marisa Holtz
USDOT / docket
3188897
First registered
Sep 18, 2018
Last MCS-150
Apr 13, 2026 · 580,000 mi (2025)
FMCSA safety rating
Not rated
Recordable crash rate
0.00
D-U-N-S

Fleet (self-reported · MCS-150)

54Power units
41Drivers
24CDL drivers
580,000Annual mileage

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.