Can anyone help me identify the manufacturer of this panel; there are multiple brands of breakers…
It appears to be a …?
ITE…or Challenger…
Looks like GE. 
I was going to say Siemens, but I do see the Challenger breaker in there.
Siemens …
That’s easy. That’s a Dangerous panel. That’s all you need to know. Between the conductors sandwiched on to the main and the sub panel feed labeled as the Service Disconnect, you have a potential killer there. Recommend a qualified electrician to evaluate.
