McMillan James Equipment Company, a privately owned firm headquartered in the US, was founded in 1999 and employs approximately 110 individuals. The company reported $11.3M in revenue as of 2023. Functioning as a manufacturer's representative for the commercial HVAC industry, it represents over 30 manufacturers, selling products to mechanical contractors and providing technical assistance to the engineering community for equipment selection on bid-based projects. The firm's sales staff consists of degreed engineers, and it employs factory-trained and certified technicians for service.