Jon Ezrine

Castellan Solutions Holdings Ltd. provides software solutions. The private company is based in London, UK. The British company was founded in 2018. The CEO is Jon Ezrine.

APOGEE Interactive, Inc. provides custom computer programming services. Its solutions include residential energy solutions, commercial energy solutions, natural gas energy solutions and envoy outbound communications. The company was founded by Susan Gilberts and Joel Gilbert in 1993 and is headquartered in Atlanta, GA.

Assurance Software, Inc. engages in the provision of data protection and disaster recovery software. Its solutions include risk management, business continuity and disaster recovery management, crisis management, Assurance Continuity Manager, Assurance Notification Manager, and Assurance Connect. It offers advisory, professional, and managed services. The firm serves the financial services, healthcare, manufacturing, technology, and retail industries. The company is headquartered in Audubon, PA.