EI's COVID-19 Professional Services >> more info << Do You Need On-Site Audiometric Testing? EI’s certified hearing conservation professionals will arrive on site to conduct your company’s hearing testing with minimal disruption to productivity. See our list of Frequently Asked Questions. Contact us today to schedule your facility’s audiometric testing. Contact Form - Mobile Audiometric Testing Name * Company * Address * City * State * Zip Code * Email * Phone * Message * Submit If you are human, leave this field blank.