Acquisition Expands ArchKey's Service Offering.
ST. LOUIS, Sept. 18, 2025 -- ArchKey Solutions ("ArchKey"), a premier installation and integrated facilities services business that designs, builds, and maintains electrical, technologies, and specialty systems nationally, today announced its acquisition of Orlando Diefenderfer Electrical Contractors.
Founded in 1920 and headquartered in Allentown, PA, Diefenderfer specializes in electrical contracting and service across the Lehigh Valley region. They will become an integral part of the ArchKey team, expanding ArchKey's regional footprint, while providing scale for the national installation and services businesses.
"We are extremely proud to welcome the Diefenderfer team into the ArchKey family," said Steven Stone, ArchKey's Chief Executive Officer. "Their people, culture, and passion for customer service aligns perfectly with ArchKey's vision and values, truly enhancing our ability to grow and deliver more for our partners and customers."
As part of the ArchKey team, Diefenderfer will be able to expand its offering to customers on a much larger scale. "We are thrilled to become a part of the ArchKey family," said Alex Maggitti Jr., President of Diefenderfer. "We are proud of what we've built and are excited to combine our strengths with ArchKey Solutions. Together, we'll broaden our impact, bring more solutions to the market, and unlock new opportunities for our people."
Diefenderfer has consistently performed for decades as the leading electrical construction and services provider in its region. Their end market diversity, robust customer base, and general contractor partnerships have the business well positioned for success for many years to come.
"By bringing Diefenderfer onto the ArchKey platform, we greatly enhance our ability to scale for our customers, invest in new communities, and accelerate innovation across the business," said Stone. "As we welcome the Diefenderfer team to ArchKey, our commitment to providing career opportunities for people remains paramount. We are a People-First company, and this new partnership only strengthens that focus."
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