JH Kelly is one of the largest industrial mechanical contractors in the Pacific Northwest. Based in Longview, WA since 1923, with offices in Seattle, Vancouver, Bellingham, and Pasco, WA, and Milwaukie, OR. Our experience, commitment to innovation, and diverse range of industry expertise sets JH Kelly apart in the industry.

Protect What Matters with JH Kelly

Looking for trusted Construction Company services in Milwaukie? JH Kelly is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

Fast. Easy. Hassle-Free.

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Expert Security Tips & Insights

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How to Make Smart Home Tech Work for You (Not Against You)

June 26th, 2025

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Protect What Matters with JH Kelly

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