W. L. Brubaker And Brothers Company
W. L. Gore And Assoc.
W. L. Gore And Associates
W. L. Lafon
W. L. Maxson Corporation
W. L. Stensgaard And Associates
W. Lee Lockerby
W. Leeson Baragar
W. Lyall Gray
W. M. Chace Valve Company
W. M. Cissell Manufacturing Co.
W. M. Cissell Mfg.
W. M. Cissell Mfg. Company
W. M. Curwen And Company Limited
W. M. Pentecost
W. Moore And Osborne Limited
W. Murray Alexander
W. N. Best
W. N. Mathews And Brothers
W. N. Matthews And Bro.