Energy

Brooklyn Union Gas Co.
Chevron USA
Consolidated Edison
Delmarva Power Company
Duke Power Co.
Exxon USA
General Public Utilities Corp.
GTE
Long Island Lighting Co.
Occidental Petroleum


Chemicals

American Cyanimid
Boehringer-Ingelheim
Cerberus Pyrotronics
E. I. Dupont de Nemours & Co.
Hercules, Inc.
W. R. Grace