Runbeck used to use prison labor to stuff the ballots into the envelopes.
Arizona republic July 13, 2007
https://www.newspapers.com/image/126142011/?terms=Runbeck&match=1
It looks like they were in charge of election audits also.
Arizona Republic Nov 4, 2008
https://www.newspapers.com/image/126330448/?terms=Runbeck&match=1
Charles Runbeck was also Executive director of Associate Equiptment Distributors of Arizona for 35 years.
https://www.newspapers.com/image/648945133/?terms=Runbeck&match=1
https://aednet.org/