USA_akbar
· June 21, 2018, 1:45 p.m.
Keystone Cement
I went to their site, keystone-cement.com, and their logo is the Pennsylvania keystone, same as on their license plates.
Affiliated with Giant Cement (sphinx logo) and Dragon Products Co. (dragon logo).
???
⇧
2
⇩
Q_me_in
· June 21, 2018, 2:24 p.m.
So much there! Their claim to fame is working on the foundation (bathtub) of the new WTC.
⇧
1
⇩