Ever want to make a purchase or inquiry or schedule a service, but didn’t know whom to contact? We suspect you have, which is why we have compiled the following listing. It reflects responses from members of the Airline Avionics Institute (AAI) and other companies in the avionics field, along with their products/services, contacts, phone and fax numbers, and e-mail addresses. We hope it will make your job easier. We want your feedback regarding the Customer Support Guide. Please let us know if it performs a worthy service and how it might be improved. Send your comments via e-mail to djensen@pbimedia.com. For further information about AAI, visit www.airlineavionics.org.