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The National Service Alliance (NSA), a leading Group Purchasing Organization, is proud to announce that Armstrong Services has joined its expanding network of leading commercial cleaning companies. Armstrong Services’ membership further strengthens NSA’s presence nationwide and reinforces the value of collaboration within the commercial cleaning community.

Founded in 1988, Armstrong Services is a family-owned and operated company providing full-service commercial cleaning and building maintenance solutions throughout the Pacific Northwest. Their expertise spans office cleaning, floor care, window cleaning, and specialized facility services across a wide range of industries—healthcare, education, and municipal facilities.

With a strong reputation for quality, reliability, and long-tenured staff, Armstrong Services brings decades of industry experience and a commitment to delivering consistent, high-standard results for their clients.

By joining NSA, Armstrong Services gains access to a powerful network of peers in the janitorial services industry, preferred vendor programs, and strategic resources designed to drive operational efficiencies and support long-term growth.

“NSA continues to grow with the addition of high-performing commercial cleaning companies like Armstrong Services,” says Michael Conrad, President of NSA. “We’re excited to welcome their team and support their continued success.”

As the commercial cleaning industry continues to evolve, partnerships like NSA provide facility maintenance companies with the tools, connections, and programs needed to stay competitive and deliver exceptional service.