CORNERSTONE CUSTOM BUILDERS INC
EAGLE RIVER, WI
01/23/2026
1
Power Units
1
Drivers
Current
as of today
Active · 1 power units · 1 drivers · Eagle River, WI
2026
~Jun 2026
Fleet reduced 2 → 1 power units
~Jun 2026
Driver count changed 2 → 1
~Jun 2026
Officer change
GLENN PAUL SCHIFFMANN → KATHY DAVIS
~Apr 2026
Email changed
glenns@cscb.net → kathyd@cscb.net
Apr 13, 2026
MCS-150 biennial update filed
Reported power units: 2 → 1
Reported drivers: 2 → 1
Reported trailers: 1
Jan 23, 2026
DOT registered
Company registered with the FMCSA.
Jan 23, 2026
MCS-150 biennial update filed
Reported power units: 2
Reported drivers: 2