NOT FINDING WHAT YOU NEED? Please email us at sc@heiexpo.com and let us know if you have a question, comment, etc. We will then contact you with the information you need. Attendee Mailing List Rental & Lead Retrieval J. Spargo & Associates, Inc. 11212 Waples Mill Road Suite 104 Fairfax, VA 22030 800/564-4220 703/631-6200 Fax: 703/502-0257 For mailing list rental, click here for the Mailing List Order Form. For more information, contact mailinglist@jspargo.com. To order lead retrieval, click here or download a PDF file. For more information, contact directlead@jspargo.com.