Beautifully engraved certificate from the Environment One Corporation issued in the 1970's. This historic document was printed by the American Banknote Company and has an ornate border around it. This item has the printed signatures of the Company's Chairman of the Board and Secretary and is over 34 years old. Environment One Corporation is an operating company of PCC Flow Technologies, Inc., an international provider of fluid handling pumps and industrial valves. With corporate headquarters in New York and regional offices and distribution throughout the industrialized world, Environment One is a manufacturer and provider of: Products and services for the disposal of residential sanitary waste. Detection Systems for the Protection and Performance Optimization of Electric Utility Assets.