Im not going to sell it tho, but there is a lot of list try hackforums or tbn they are better suited for this.
That's not at all what he was asking for, but good job reading the title and boosting that post coujt.
The OP wants contact emails for companies, not a list of emails of users to send spam.
I did a part of this job myself and they weren't collecting any body's personal emails, what ever they were looking for was already available to general public. You can find the details of the job in this thread: https://bitcointalksearch.org/topic/need-2-people-for-a-job-collect-contact-details-from-a-list-1315830