Carrier profile · USDOT 1388915 · Updated Jun 13, 2026

Cwi Holdings LLC

DBA BUILDERS INSULATION

262 power unitsavg 5.3 yrRegional · 7 statesMADISON, WI82/100
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

Mailing address
PO BOX 7788, MADISON, WI, 53707
Operation
Interstate

Contact

Web domain
insulation-holdings.com

Registration

Officer
Mark Murphy
USDOT / docket
1388915
First registered
Jun 28, 2005
Last MCS-150
Feb 27, 2025 · 2,800,000 mi (2024)
FMCSA safety rating
Not rated
Recordable crash rate
0.00
D-U-N-S

Fleet (self-reported · MCS-150)

262Power units
262Drivers
CDL drivers
2,800,000Annual 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.