USG CORP

usg_ex31x04242019.htm

usg_ex32x04242019.htm

usg_ex31x11102017x8-k.htm

usg_ex32x11102017x8-k.htm

usg_ex31x05112017x8-k.htm

usg_ex31x05122016x8-k.htm

bylawsnovember132014.htm

usg_bylaws07162014.htm

exhibit31.htm

c85764exv3w1.htm

c12346exv3w3.txt

c06084exv3w01.htm

c02040exv3w1.htm

c87120exv3wxiiy.txt

c83105exv3w3.txt

c72788exv3wxcy.txt

c69300ex3-ii.txt

c67704ex3-c.txt

EX-3.(II).txt