GDI Ainsworth helps organizations across Pittsburgh maintain clean, efficient, and well-managed facilities.

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Daily janitorial services from trained professionals ensure your site remains organized, compliant, and inspection-ready through verified routines and measurable standards.
By tailoring office cleaning around your schedule, our teams maintain inviting workspaces that help staff stay focused, productive, and comfortable.
With advanced care and equipment, our floor and carpet cleaning enhances appearance, extends surface life, and supports a safer environment.
Our disinfection services reduce health risks and build trust by applying hospital-grade products and targeted cleaning protocols across high-contact areas.
Our outdoor building maintenance, including professional window washing and façade care, protects your property while reinforcing a strong, polished impression.
Through our Integrated Facility Services model, we unify cleaning, maintenance, and data tracking, helping you transparently and confidently manage your portfolio.
For a century, GDI Ainsworth has set the standard for professional cleaning and facility management across North America. In Pittsburgh, our approach combines expertise and accountability to keep your operations running smoothly and efficiently.
Partner with GDI Ainsworth to create a customized cleaning and facility management program designed for your operations. Our experts work with you to improve efficiency, maintain quality, and protect your investment. Contact us today to start building a facility maintenance strategy that delivers measurable results.
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Local Experts
Regional Experts
A century of experience
A future of innovation
GDI's Story Begins
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.
Ainsworth is Founded
Brothers F.C. and C.J. Ainsworth establish an electrical services company that grows into a technical services leader.
Two Leaders Join Forces
GDI acquires Ainsworth, bringing facility and technical services together in one North American organization.