wattmatters
Solar Wizard
Fronius is Austrian, not German but they do also manufacture in Germany. High quality PV inverters worth considering. They are already being used in the Philippines.Fronius is German.
SMA is German but they have manufacturing in both Germany and China. Also already being used in the Philippines.
As for US, Enphase is the primary option which springs to mind. Again they are also used in the Philippines.