Studer - based in Switzerland
Product Details
Inverters - A range of full sine wave inverter rated from 200 - 3,500 Watts
They also produce a range of combined Inverter/Chargers, with an inverter output ranging from 1,400 to 8,000 watts and a charger output from 45 to 90 amps.
Some models of Inverter/Charges
Location of Studer website -