In 1969 the company changed its name to Grumman Aerospace Corporation, and in 1978 it sold the Grumman-American Division to Gulfstream Aerospace.
Grumman was responsible for a successful line of business aircraft including the Gulfstream I turboprop (Grumman model G-159) and Gulfstream II business jet (Grumman model G-1159) which were operated by a number of companies and private individuals as well as by government agencies including various military entities and NASA.