Plymouth Products
AMETEK no longer owns the division that produced water filtration products. Plymouth Products was acquired by Culligan Water Technologies, Inc. in 1997.
Telephone: 800-645-5427. Their Web site address is:www.plymouthwater.com

Houston Instruments
Houston Instruments is now owned by a company called TMS of Laguana Hills, CA.
Telephone: 949-837-2324.  Their Web site address is: www.tms-plotters.com

Riehle Testing Equipment
The Riehle Testing Equipment division of AMETEK was aquired by Instron of Canton, MA some time ago.
Telephone: 800-564-8378 or fax at 781-575-5755.  Their Web site address is www.instron.com

Rodan Division
The Rodan Division of AMETEK is now owned by Selas Corporation of America of Dresher, PA.
Telephone: 800-523-6500 or 215-646-6600.  Their fax number is 215- 646-3536.  Their Web site address is: www.selas.com

Schutte & Koerting
AMETEK no longer owns the Schutte & Koerting Division. 
Telephone: 215-639-0900. Fax: 215-639-1597.

Troy Laundry Division
AMETEK no longer owns the Troy Laundry division.  Troy is now part of LTA Company of Davenport, Iowa. 
Telephone: 563-391-1562