McKinney Products McKinney Products Company designs and manufactures high quality architectural hinges for commercial use. With roots in Cincinnati OH, McKinney manufactured in the heart of the Pennsylvania steel industry for many years. McKinney became an ASSA ABLOY Group company in 1996. With the resources of ASSA ABLOY, McKinney greatly expanded the research and development, and manufacturing capabilities. These capabilities have had the greatest impact on improving custom hinge manufacturing.