Armstrong is proud to be a part of the Armstrong Group, a diverse, family owned and operated business, employing over 2000 people nationwide. We value strong relationships with our employees and close ties to the communities we serve.

Guardian Protection is a premier provider of smart security and automation solutions for residential, commercial, institutional, and multi-site customers. More than a quarter-million customers trust Guardian’s award-winning monitoring services and in-house, U.S.-based customer care specialists.
Armstrong Development Properties, Inc. is an award-winning full service commercial real estate developer providing clients site selection, acquisition, construction administration and property management. With offices across the country, we have worked with companies such as CVS Pharmacy, Kohl’s, Target and McDonalds, and built over 10 million square feet of commercial property in 15 states.
With state-of-the-art facilities in Florida and Pennsylvania, 4Front Solutions is a leader in Electronic Manufacturing Services (EMS) providing manufacturing and supply chain solutions for Original Equipment Manufacturers across diverse market segments including medical, defense, transportation, communications, and industrial products. With state of the art, diverse facilities in DeLand, FL and Erie, we offer innovative solutions for businesses large and small.
Armstrong Comfort Solutions provides residential and commercial HVAC and plumbing services in the greater Pittsburgh area. Armstrong Comfort offers traditional solutions along with advanced products such as ductless heating and cooling systems, tankless water heaters and state-of-the-art furnaces, air conditioners, and plumbing products.