Membership

GMIC is composed of five types of members. 

Please click the Member's Name to be connected to their website

or to review a description of their products and services.

Glass Manufacturing Members

Primary manufacturers that operate melting furnaces in the United States 

CertainTeed Corporation

Corning Incorporated

Evanite Fiber Corporation

Ferro Corporation

Gerresheimer Glass Inc.

Johns Manville

Kopp Glass

Leone Industries

Longhorn Glass Corporation

Owens Corning

O-I

Pittsburgh Corning

PPG Industries, Inc.

Saint-Gobain Containers

World Kitchen, LLC

Associate/Affiliate* Members

Suppliers, Customers and Processors that are vital to the Glass Industry

Air Liquide America

Diageo*

Emhart Glass Research Inc.

Gas Technology Institute

Glass Service, Inc.

Laboratory of Glass Properties, LLC*

Linde-Gas LLC/BOC

Praxair, Inc.

Rio Tinto Minerals

RoMan Manufacturing, Inc

RoviSys

Savannah River National Laboratory

TECO (Toledo Engineering Co., Inc.)

U.S. Silica Company

University Members

Alfred University

Lehigh University

Ohio State University

Penn State University

Annual Membership Dues*

Glass Manufacturing and Associate Members

Sales over $1 billion -  $18, 000.00

Sales between $1 million and $1 billion -  $15,000.00

Sales between $50 million and $100 million - $7,500.00

Sales below $50 million - $5,000.00

Non-disclosure of sales level - $7,000.00

(may require Executive Committee Approval)

Users

All                                                    $2,000.00

Non-Profit Research Institutes

All                                                    $3,000.00

Universities/Affiliate Members

All                                                      $500.00

Application Membership Information

Download a Membership Application or Contact GMIC for an information package on membership and an application form.