Professional Testing Corporation (PTC) is an established global leader in testing and assessment services. Founded in 1983 in NYC, PTC offers a broad range of credentialing services for testing programs, certification organizations, and licensing boards. Our areas of expertise include psychometric services, job task analyses, exam development, standard setting studies, exam scoring, application development and processing, recertification services, and online testing.


Our team of experts know that collaboration in both strategy and execution is the key to success for our clients and their stakeholders. At PTC, we put people first.


At PTC, we encourage and welcome diversity, equity, and inclusion. We value all employees’ talents and support an environment that is inclusive, equitable, and respectful. Respecting each individual and recognizing the value that we each bring to our team is essential. By creating a supportive environment that allows everyone to perform to their potential, we achieve success. We are strongly committed to this, realize this is an ongoing process and will commit to looking for ways to be sensitive to all aspects of diversity, equity, and inclusion.

About PTC Graphic (1)

PTC was originally established as a subsidiary of Organization Resources Counselors, Inc. (now Marsh & McLennan Companies), an international management consulting firm that had its origin in the early 1920s.  In 2000, PTC became a fully owned independent company.

About PTC Graphic (1)

Executive Staff

  • Vicki Gremelsbacker
  • Sherry I. Frier
    Vice President, Testing Services
  • Jill Rooney
    Vice President, Financial Services