If you have ANY questions email us. Email allows us to instantly answer your questions and our response time is typically the same day often within hours. However, if you need additional explanations and you would like to talk with someone about the MBTIŽ, drop an email with your phone number and we will quickly return your call.

Mailing Address
Personality Testing
PO Box 78193
Charlotte, NC 28271

Toll Free: 800.520.8105
Fax: 800.817.5198

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Professional Qualifications

KnowYourType.com has tested clients in 45 US States and 33 Countries.

Partial Client List

We've tested clients who worked at or are students at the following organizations:

Alltel ARAMARK AstraZeneca Canada Post Corporation ConocoPhillips Courtyard by Marriott Eli Lily and Company Fresno Pacific University FSU Foundation Gap Habitat for Humanity Hewlett Packard Hong Kong University Ingersoll-Rand Johnson Controls KPMG

MasterCard Michelin North America Microsoft Northwestern University Pennington Seed Pepsi Bottling Shell Sony BMG The Princeton Review University of Colorado, Boulder University of Delaware Verizon Wireless Wachovia Wells Fargo Wyeth Pharmaceuticals