The Talking Machine Forum — For All Antique Phonographs & Recordings

how many record pressing plants are left? This site lists eleven -- http://www.aardvarkmastering.com/pressing.htm

The only one I've heard of on the list is United Record Pressing out of Nashville -- http://www.urpressing.com/

This site has some pretty neat pictures of the process.
http://www.arrecords.com/

This site has some (tiny) videos of the process
http://brooklynphono.com/

Pretty cool.