Carrier profile · USDOT 1256411 · Updated Jun 13, 2026
MAY CONSTRUCTION INC
21 power unitsLocal · 1 statesMADISON, SD50/100
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
- 23484 455TH AVE, MADISON, SD, 57042
- Mailing address
- PO BOX 402, MADISON, SD, 57042
- Operation
- Interstate
Contact
- Phone
- (605) 530-1002
- Cell
- (605) 530-1000
- Fax
- (605) 256-3987
Registration
- Officers
- Troy D Hahn · Sandra F Hahn
- USDOT / docket
- 1256411
- First registered
- Jun 8, 2004
- Last MCS-150
- Nov 25, 2024 · 210,000 mi (2023)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- 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.