We provide comprehensive facility management and technical services throughout Portland and the Pacific Northwest.

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We design, install, and maintain HVAC and mechanical systems that provide optimal comfort, air quality, and energy savings in every facility we serve.
Our Building Automation solutions integrate HVAC, lighting, and energy management, helping Portland facilities optimize efficiency, reduce costs, and enhance control.
Trust GDI Ainsworth for comprehensive solutions informed by a century of industry experience. Our Portland team combines local experience, certified systems, and advanced technology to ensure safe, efficient, and sustainable facility operations.
Work with our Portland experts to develop a customized facility management program that enhances performance, reliability, and efficiency. Contact us to learn how GDI Ainsworth can support your operations across Oregon and the Pacific Northwest.
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Local Experts
Regional Experts
Local Experts
Regional Experts
Robertson Janitorial Ltd. began as a small, reliable cleaning service supporting Quebec City’s growing economic landscape. With a focus on consistency and care, the company steadily grew.
Brothers F.C. and C.J. Ainsworth establish an electrical services company that grows into a technical services leader.
GDI acquires Ainsworth, bringing facility and technical services together in one North American organization.