AMA Group | 7,281 followers on LinkedIn. AMA Group is now a part of Legence, North America’s leading integrated provider of energy efficiency and sustainability solutions for the built environment. As part of this transition, the AMA Group brand will merge with CMTA, a Legence company, effective Fall 2025. Founded in 2000, AMA Group is led by a group of motivated professionals who have built a dynamic design firm providing extraordinary client service and innovative sustainable design solutions for a wide range of project types and complexities nationwide.