|Season(s)|| 1 (Light and Dark)|
1 (Light and Dark: Bloodlines)
Rebranded as King Tech
Diamond Technologies was a technology corporation that was owned and run by Max and Mina Diamond. The company went bankrupted after Abraham Van Helsing and Dean Winchester killed Max. It later was takeover by Daniel King, and rebranded the company as King Tech, along with making it a subsidiary of King Industries.