'DY' in DYTCOM stands for "Dah Yang", apparently. You could also search for "Senco" and "Unitek".
There is one like it in US layout on eBay right now, for an outrageously high price..
I saw one on Tabao that was just like it, but it had blue switches.
Edit:
This is a K-157, FCC-ID "DKW67MK-157".
A review in Korean.