I found them!

http://www.sos.state.co.us/biz/BusinessEntityDetail.do?quitButtonDestination=BusinessEntityCriteriaExt&fileId=20131720684

They're only a mile from the Denver County Sheriff's office. That's convenient.

https://www.google.com/maps/dir/12601+E+33rd+Ave,+Aurora,+CO+80011/Denver+County+Sheriff+Training,+10500+Smith+Rd,+Denver,+CO+80239/@39.7553762,-104.8503472,14z/data=!4m13!4m12!1m5!1m1!1s0x876c64add3bb384d:0xfac51c2a5b79edb9!2m2!1d-104.84011!2d39.765199!1m5!1m1!1s0x876c7b43cd15b3e9:0x4cfaa1d016b85d1a!2m2!1d-104.86391!2d39.767396


Edit:

Fixed the Colorado SoS link.