Formatt make them -
http://formatt.co.uk/stills-filters/filters/stills-filters.aspx
- Daniel
Champion Filters (not connected with Champion Spark Plugs)
WIX makes all of NAPA's oil filters
Fram makes them exclusively for O'Reillys. They use Racor filters internally which makes the OEM versions as well.
Caterpillar.
Beck Arnley
Champion
wix
Purolator
hastings
Flip makes the Flip Video Camera
Wix Filtration Products Company. They make one of the best filters you can buy.
Purolator makes their own filters along with many other brands. The company is owned by Clarcor. Clarcor make all types of filters for industry. Water, air, oil, automotive, & hydraulic filters. Their headquarters is located in Franklin, Tenn.