Air Spray, based in Edmonton, Alberta, Canada is a family-owned and operated aviation company specializing in air tanker forest fire suppression in Canada and Turkey for 40+ years.
They operate the L-188 Electra, the CL-215, and the Turbo Commander.
I can't really read Italian but I gather that SoREM is the Italian aerial firefighting service for fixed wings. They operate 19 CL-415's and 8 CL-215's. If you know the language and can help out, just drop me an email.
Orsmond Aerial Spray was the pioneer of aerial fire fighting in Southern Africa. They are based in Bethlehem, South Africa. They operate a fleet of Ayres Turbo Thrushes for crop spraying and Aerial Firefighting.
Hirth Air Tankers is the last commercial operator of the Lockheed PV-2 Harpoon, one of the last World War II era aircraft being used for aerial firefighting. Unable to confirm if they are still in business.
The FirePirates website. Mostly geared towards the fixed wing corner of the industry. We think a lot alike. Even similarities in our logos. (Disclaimer: I had designed mine before I ever ran across the FirePirates.)
A South African public works program that uses firefighting as a jobs training and skills program.
They utilize both rotary and fixed-wing assets.
Look for the Aerial Firefighting link on the left menu bar.
The world's only commercial operator of the P-3 Orion.
They have a fleet of air tankers operated country-wide and they also manufacture the tanks for various fixed and rotary-wing aircraft.
Other maintenance and engineering services are offered.