By 1982, the company was known as Sterling Protective and Polygraph Systems, and through Greenblatt's efforts, Sterling would grow to be the largest polygraph testing company in New York City.
The company was known as Sterling Protective and Polygraph Systems. This was by 1982. Sterling would grow to be the largest polygraph testing company in New York City. This is through Greenblatt's efforts. This is by 1982.