Carrier profile · USDOT 3295590 · MC-1044312 · Updated Jun 13, 2026
FIREFLY BUILDERS INC
9 power unitsBELLE FOURCHE, SD50/100
CARRIER INACTIVEMC-1044312 INACTIVE
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
- 1 N 5TH AVE, BELLE FOURCHE, SD, 57717
- Operation
- Interstate
Contact
- Phone
- (605) 881-5981
- Cell
- (605) 723-1625
- Fax
- (701) 580-8705
- Web domain
- fireflybuilders.com
Registration
- Officers
- Wayne Koistinen · Larry Koistinen
- USDOT / docket
- 3295590 · MC-1044312
- First registered
- Jun 5, 2019
- Last MCS-150
- Jul 13, 2022 · 10,000 mi (2021)
- 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.