This area was purchased by the Park Corporation in 1981, when J&L stopped their operations on the site. The Urban Redevelopment Authority of Pittsburgh (URA) then purchased the land from Park Corporation in 1983. The following is a list of other companies who have occupied the site in whole or in part before the Park Corporation purchased it.
In 1981, the Park Corporation bought this region after J&L halted its activities on it. The Urban Redevelopment Authority of Pittsburgh (URA) purchased the land from the Park Corporation in 1983. A list is provided below of other firms that utilized the site entirely or partially before the Park Corporation's acquisition.