US Based CASTLE Worldwide has chosen to work with Lamark!
CASTLE Worldwide, Inc. builds long-term relationships with a range of organisations, government agencies, educational institutions, and trade and professional associations by offering examination design, development, training and administrative services.
Located in Research Triangle Park, North Carolina, CASTLE Worldwide offers more than 1000 test center locations in more than 500 cities in 70 countries to provide Internet-based testing.