It reminds me of a tag you might find attached to a piece of mechanical equipment. As for the identification of the (manufacturing?) company, there are just too many variables for "P.C.C.". Chris
The other thing that might help identify the initials is knowing the city or state in which you acquired it
Seems about right for me. I'm not sure what PCC Co might stand for. But, there's a lot of Community Colleges and Correctional Center possibilities (the later seems more likely to me, as they still use tool checks to track items that might be misused by inmates): http://acronyms.thefreedictionary.com/PCC
