About RMF · est. 2003
Family-owned.
Precision-built.

Built on experience. Focused on filtration.
Rocky Mountain Filtration was founded in Mt. Pleasant, Utah as a family-owned operation focused on one thing: engineering and manufacturing high-quality fiberglass filter and coalescer tubes.
We serve companies of all sizes — from independent operators running a single gas gathering system to multinational corporations with global operations.
65
Years of Filtration Experience
700+
Customers Served
Global
Clients Served
Timeline
1959
Southwest Filter Company founded
Max and Claudean Thompson establish Southwest Filter in Tulsa, Oklahoma.
1990s
Second generation takes the helm
Doug Thompson becomes President of Southwest Filter and begins a lasting business relationship with Rocky Mountain Filtration’s future founder.
2003
Rocky Mountain Filtration founded
Clegg and Holly Anderson establish Rocky Mountain Filtration in Mt. Pleasant, Utah, focused on engineering and manufacturing fiberglass filter and coalescer tubes.
2020
Southwest Filter acquires Rocky Mountain Filtration
Two family-owned filtration businesses unite under common ownership.
2026
Third generation leadership
Southwest Filter enters its third generation of family leadership under Max and Claudean’s granddaughter, Erin Hadwiger, with full integration and expansion of Rocky Mountain Filtration operations.
● From the field
“Rocky Mountain Filtration has been our go-to for coalescer elements for years. Quality is consistently excellent and they always deliver on time.”
Engineer · Midstream Operator · Permian Basin
