Middlekauff Carle A.
Miller Andrew T.
Miller Frederick L. Jr.
Nelis Marc
Noord-Nederlandsche Machinefabriek B.v.
Nyzen Robert
Oana Mateiu J.
Orava John
Parker Calzoni S.r.l.
Poclain Hydraulics
Rainey Don E.
Raunio Pentti
Recovery Engineering Inc.
Resource Optima Ltd.
Rhi Joint Venture
Riva Calzoni Oleodinamica S.p.a.
Rockwell David M.
Sampo-Hydraulics Oy
Santasalo Hydraulics Oy
Shireman Paul M.