Airmatic, Inc.

Allied Mineral Products

American Colloid
Ashland Casting Soutions

Atlantic States Cast Iron Pipe

Behler Patterns, Inc.

Benny Heater Company

Bob Williams Company

Boose Aluminum Foundry Co

Bridesburg Foundry Company

Conestoga Foundry Supply

Crescent Brass
Effort Foundry
EMSCO, Inc.

Foseco Metallurgical

GW Bryant Core Sands, Inc.

Hamburg Manufacturing, Inc.

Hatten and Company, Inc.

Heraeus Electro-Nite

Hickman, Williams & Co.

IFS Industries, Inc.

Inductotherm Corp.
J. Kuhl Metals

John Medernach & Company

Kore Mart LTD

Lancaster Foundry Supply

Lehigh Valley Iron Pigs

LVR

Nova Precision Casting Corp.

Quigley Crucible R & S
Swope & Bartholomew

Trega Corporation

U. S. Silica

Unimin Corporation

Victaulic Company of America

Weatherly Casting & Machine