- Yahara Bay Distillers, Inc.
549300HVN65OJLR3B212United StatesMadisonLapsed - not renewed
- ZENITH CUTTER, INC.
25490091UWYXGKAKWG48United StatesWATERTOWN
- Zenith Tech, Inc.
254900NBVWMGEOYX5468United StatesWaukesha
- ZERO ZONE, INC.
5493002L9UE2B2YUI784United StatesNORTH PRAIRIELapsed - not renewed
- Zimbrick, Inc.
549300G15N6O0PTUY578United StatesMadisonLapsed - not renewed
- ZYWAVE, INC.
254900KBWY6B6MM40362United StatesMADISON
