Final answer:
The American Management Association International (AMIA) is the organization that started with a focus on management engineering, offering resources and a professional community for management practices.
Step-by-step explanation:
The organization that began with a focus on management engineering is the American Management Association International (AMIA). It was initially established to promote management engineering principles and has since expanded its reach to encompass a broad range of management practices and professional development activities. The AMIA serves as a global community of professionals who share knowledge and insights on management techniques, continuous improvement strategies, and organizational development.