Aero Mayflower Transit Co., Inc.
Allison Division, General Motors Corp.
American Airlines, Inc.
American United Life Insurance Co.
Arthur Anderson & Co.
Atkinson and Company
Ayrshire Collieries Corporation
The Beveridge Paper Company
The Borden Company-Milk Division
Caldwell, Larkin & Sidener
Citizens Gas and Coke Company
The Crown Hill Cemetery
Flanner & Buchanan
The Hertz Corporation
Indiana Bell Telephone Company
The Indiana National Bank of Indianapolis
Indianapolis Chamber of Commerce
Indianapolis Power & Light
Indiana Water Company
Inland Container Corporation
Mayflower Warehousemen's Association
Merrill Lynch, Pierce, Fenner & Smith, Inc.
McCready Pension Engineers, Inc.
Standard Grocery Division of National Tea Company
Peerless Pump-FMC Corporation
Railroadmen's Federal Savings & Loan Association of Indianapolis
Ransburg Electro-Coating Corp.
Radio Corporation of America (RCA Victor Home Instruments Division)
J.M. Rotz Engineering Co., Inc.
Howard W. Sams & Co., Inc.
Standard Oil Division, American Oil Co.
Thompson O'Neil & Smith
Western Electric Co., Inc.
WFBM Stations (Time-Life Broadcast, Inc.)
Evans Woollen and Associates, Architects