Guernsey is a professional, full-service firm with more than 95 years of experience in engineering, architecture, and consulting. Guernsey’s services include architecture, interior design, engineering, transportation and water resources. The employee-owned firm also provides consulting services for cybersecurity and CMMC, environmental, planning, electric utility management, and energy and utility optimization.





Headquarters: 5555 N. Grand Boulevard
Oklahoma City, Oklahoma 73112-5507
(405) 416-8100
[email protected]

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140 views • posted 12/27/2023