Looking for email contacts

Looking for email contacts in the cell phone trade-in and repair industry for the purpose of Sales and Marketing. We require more than 500 email contacts for our outreach campaign. The ideal freelancer for this job would have experience in lead generation and data mining, with a strong understanding of the cell phone trade-in and repair industry. Attention to detail and accuracy in data entry is a must. We need someone who can deliver the email contacts in a timely manner and at a competitive price. Businesses of interest are those that buy, sell, trade or repair wireless cellular telephones within the UNITED STATES only.