World Corporate Headquarters and Center for Learning & Technology
1225 Washington Pike, Bridgeville, Pennsylvania, 15017-2838, United States
Tel: (800) 933-4463 or 412-257-0600 Fax: (412) 220-2942
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Development Dimensions International (DDI) has a global infrastructure of 42 wholly-owned or closely affiliated offices delivering to more than 90 countries. Each of the offices in the United States operates purpose-built training and assessment centers.
Our world headquarters is in Pittsburgh, Pennsylvania, USA. For more information, call +1-412-257-0600, toll free in the US or Canada at +1-800-933-4463 or email us at firstname.lastname@example.org.