DMG Corporation, a privately owned company founded in 1967 and headquartered in the US, operates in two distinct sectors. One division, TM Studios, Inc., creates and distributes audio content such as production music, jingles, and station imaging for broadcast and advertising use. The other division functions as an independent sales agency for engineered HVAC equipment and systems, serving commercial and institutional clients (including healthcare and laboratories) by providing custom solutions, application engineering, project management, and post-sale support. The company employs approximately 180 people.