Source: Aurora (1948) Ad:

SOFT WATER By "THE CULLIGAN SYSTEM"
The Savings Pay All Costs
Weimer Soft Water Company, Inc.
N. MANCHESTER     WABASH

Source: Aurora (1950) Ad:

CULLIGAN SOFT WATER SERVICE
Saves Soap     Saves Linens    Saves Plumbing
Saves Effort       Saves Money
WEIMER SOFT WATER Co. Inc.
PHONE 718    NO. MANCHESTER, IND.