STC members include technical writers, technical editors, instructional designers, content strategists, documentation specialists, technical illustrators, academics, information architects, usability and human factors specialists, eLearning specialists, visual designers, web designers and developers, managers, medical writers, and technical translators - anyone whose work makes technical information available to those who need it.

STC membership provides opportunities for ongoing learning and professional networking. Through the efforts of a small, full-time staff and a large network of volunteers, STC promotes the public welfare by educating its members and industry about issues concerning technical communication.