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.


PTC is committed to the following core values:


  • A staff of professionals who are experienced in the development and ongoing operations of credentialing programs for certification and licensure of professional personnel;

  • The designation of an individual professional to serve as a liaison for each program, so that there is always at least one person who is completely knowledgeable about the program and available to the client organization;

  • A commitment on the part of all staff to the primary mission of providing prompt, accurate, and personalized attention to the client’s needs and the requirements of its program;

  • A dedication on the part of staff to furthering the credentialing organization’s aims and objectives;

  • Being innovative in supporting new methods and being flexible when working with clients.

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.

PTC Advantage

  • Partnership


    We view each relationship with our clients as a partnership.  Our staff will work with you every step of the way to maximize the success of your certification program and help ensure that it is psychometrically sound.

  • Technology


    By choosing PTC as your testing partner, you will always have the most up-to-date technological resources available so that your program will be professional, innovative and cost-effective.

  • Commitment


    PTC’s staff is fully committed to every one of our clients, regardless of size or the number of candidates.  Our psychometric, administrative, and technical staff are available to answer any questions you may have and help you make informed decisions about your program development and ongoing administration.

Executive Staff

  • Vicki Gremelsbacker
  • Sherry I. Frier
    Vice President, Testing Services
  • Jill Rooney
    Vice President, Financial Services
  • Shakil Ahmed
    Director, Technical Services


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