Top 40 Electrical Design Firms

Courtesy of HED
With HED, Royal Oak, Mich., as a design partner, NTT fashioned a cutting-edge, 205,000-square-foot data center in 2024 in Itasca, Ill. HED’s electrical design contribution for the CH2 Data Center featured the use of prefabricated modular electrical enclosures; resilient power strategies to protect uptime and flexible distribution tailored to client needs; and use of a digital model that brought in all parties in real time, which minimized delays and rework without sacrificing technical rigor.
This year’s Top 40 electrical design firms see a double-digit revenue boost amidst more demand concentration in the data center space.
June 12, 2026
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June 12, 2026
Transmission Line
June 1, 2026
Courtesy of Power Design
400 Central Power Design
May 26, 2026
Courtesy of CDM Smith
OUC Conway
May 18, 2026
Promo
May 11, 2026
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Sept. 26, 2025
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June 23, 2025
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Top 40 Electrical Design Firms
June 18, 2025

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