M & M Controls is a leading supplier of environmental controls and systems to the commercial and industrial HVAC marketplace, serving the Maryland, Virginia, D.C., and Central Pennsylvania area since 1987. With a dedicated workforce, a commitment to continuous training and a focus on core products, M & M Controls provides innovative solutions to your control systems needs. Visit or contact any of our conveniently located branches and speak with one of our knowledgeable sales staff to find the solution that’s right for you.