This factory originally produced aerosol products before being purchased by the plastics company Owens-Illinois who manufactured soda bottles here. I visited the site twice and wrote two blog posts.
http://nassahegon.blogspot.com/2016/04/former-owens-illinois-complex-milford-ct.html
http://nassahegon.blogspot.com/2016/05/return-to-owens-illinois-complex-old.html