5555 N. Grand Blvd.
Oklahoma City OK, 73112


Guernsey is a multi-discipline firm, employing engineers, architects, planners, consultants, environmental scientists, designers, analysts, accountants and managers. Because we offer all these services under one roof, we are able to collaborate efficiently, giving you access to expert advice in cost of service; rate analysis; power system planning; fuel and load forecasting; substation, transmission and distribution engineering; acquisition and contract negotiation; cyber security; security vulnerability analysis and risk assessment; environmental, architectural, interior and engineering design services, and much more.