Hydac Filtertechnik GmbH.
Hyde Thomas H.
Hyde, Jr. David F.
Hydrafit, Inc.
Hydrant Repair Parts, Inc.
Hydrasearch Co. Inc.
Hydraulik-Ring
Hydril Company L.P.
Hydril LLC
Hydro-Craft, Inc.
Hydro-Dredge Accessory Co.
Hydro-Flex Corporation, Inc.
Hyer W. F.
Hymatic Clamps International Limited
Hyne Joseph H.
Hyska John S.
Hyspan Precision Products, Inc.
Hyvik Morten