M & M Controls is a leading supplier of environmental controls and systems to the commercial and industrial HVAC marketplace, serving the southcentral Pennsylvania, Maryland, Virginia and D.C. area for over 20 years.  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 either of our conveniently located branches and speak with one of our knowledgeable sales staff to find the solution that’s right for you.