Wisconsin
Department of Safety and Professional Services
WILLIAM C PROOST & SONS INC
Real Estate Business Entity
License number
15105-91
Date granted
01/01/1956
Date expires
12/31/1998
Class
Real Estate Business Entity
Status
Expired
wisconsinlicensing.org
ID 13403405
LAST UPDATED 2026-04-25 12:00:53 UTC
LAST UPDATED 2026-04-25 12:00:53 UTC
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