The two founded the software services company Computer Sciences Corporation (CSC), when Jones, who ran the business and marketing end of things, obtained a contract from Honeywell.
In 1961, the company moved into the space industry when they obtained a contract to support NASA Jet Propulsion Laboratory's Flight Operations Facility.
By the end of the 1960s, CSC was listed on the New York Stock Exchange and had operations in Canada, the United Kingdom, (Germany), Italy, and in the Netherlands.
In addition to a large home, he built a U-shaped main barn, breeding sheds, and other service buildings, as well as a half-mile training track.
In order to spend more time on his farm, Jones built an airstrip and piloted his own aircraft to and from the Santa Monica airport near where his office was located.
Selected stakes race wins for Westerly Stud Farms; Fletcher Jones gave CSC employee Martin J. Wygod his first two horses as a birthday gift.