The company headquarters was located at 401 Walnut Street in Philadelphia, Pennsylvania.
During the course of the 1950s Jerrold Electronics gradually expanded their reach in the CATV sector from purely been a supplier to building turnkey CATV systems for potential operators, who inevitably would also purchase a service agreement with Jerrold.
By 1953 the company was claiming to have installed 132 systems across the United States, and Fortune Magazine estimated their 1954 revenue at close to $4.5m.
However eventually disagreements between the two led to Shapp buying out Harman, who would subsequently go on to take over the Jervis Corporation.
In 1970 General Instrument would appoint John C. Malone as president of Jerrold and he would continue in this role until leaving in 1973.