The Canadian Mead-Morrison Co. Ltd.
The Cortland Companies Inc.
The G. C. A. Manufacturing Company
The G.c.a. Manufacturing Co.
The Hydrojax Incorporated
The Hydrostatic Jack
The Ideal Machinery Co.
The M. And S. Company
The Manitowoc Ship Building Corporation
The Mattamy Corporation
The Moore Speedcrane
The Munke Jack Corporation
The National Standard Company
The Rectorseal Corporation
The Rowe Calk And Chain Company
The So-Lo Jack Co.
The Speeder Machinery Corporation
The Steel Products Company
The Tennant Hi-Jack
The U. S. Hydraulic Development Company