CASTLE Worldwide, Inc. builds long-term relationships with government agencies, corporations, educational institutions, and trade and professional associations by offering examination design, development, and administrative services. CASTLE Worldwide is one of the nation's leading certification and licensure testing companies.

To view the list of tests available, check their website at www.castleworldwide.com; to register contact them at 919.572.6880. Coastal's site ID for registering is 285261. You may email them at info@castleworldwide.com.