best 904/727 transmission shop in colorado???

i heard that andrews racing transmissions was the place to go for 727/904 builds. he is no longer in business and cannot be reached. anyone out there have any suggestions? i am building a 69 valiant with a healthy 408 stroker that i want to build a stout 904 to put behind it. i live in the ft collins area but am willing to drive to wherever is needed for a good solid build. thank you very much for you help