The Rhithron laboratory and offices are located in Missoula, Montana, on the campus of the Northern Rockies Heritage Center at historic Fort Missoula.
For mail, shipments and deliveries, please send to:


Rhithron Associates, Inc.
33 Fort Missoula Road
Missoula, Montana 59804


To inquire about our services contact us by email, phone, or fax. Office hours are Monday through Friday 9 a.m. to 5 p.m. Mountain Time.
Phone: (406) 721-1977
Fax:      (406) 721-2028