Certification strengthens Graybar's ability to support customers in defense-related and federally regulated industries

ST. LOUIS, Oct. 28, 2026 /PRNewswire/ -- Graybar, a leading distributor of electrical, industrial, automation and connectivity products and provider of related supply chain management and logistics services, today announced that it has earned Cybersecurity Maturity Model Certification (CMMC) Level 2 certification, following an independent assessment by an authorized CMMC Third-Party Assessment Organization (C3PAO). The certification positions the company to support a broader range of customers in defense-related and federally regulated industries.