Armstrong Group
Executive OfficesPennsylvania, United States201-500 Employees
Armstrong Group, based in Butler, Pennsylvania, is a family-owned conglomerate founded in 1946. It began as Armstrong County Line Construction, working on contracts for power and telephone utilities in Western Pennsylvania. The group later owned independent local exchange telephone companies and entered the cable television industry in 1963. Over the following decades it diversified into security services, restaurants, and real estate development, with Armstrong Comfort Solutions added as a full-service provider of heating, cooling, and plumbing for residential and commercial needs. Today, the organization operates a broad mix of businesses across the United States. Its portfolio spans cable telecommunications, security, real estate development, and Armstrong Comfort Solutions for residential and commercial HVAC and plumbing needs. The company remains a family-owned enterprise with a focus on long-term continuity across its diverse holdings. In May 2025, Armstrong Group appointed Stewart as CEO, marking a leadership transition within the family-owned organization.