Holloway, Updike and Bellen, Inc. is a Civil Engineering Consulting Firm founded in 1971.  The Company’s main office is located in Muskogee, Oklahoma with a branch office in Broken Arrow, Oklahoma.  The firm specializes in the design of water systems, wastewater systems and transportation projects.  Our Clients include branches of state, county and local governments as well as rural water districts and private developers.



Over the past 20 years the firm has had a staff of approximately 30 people.  Currently the company employees 8 professional engineers and 2 registered land surveyors. The president of the company is Jay R. Updike, P.E. from Muskogee, Oklahoma.

Holloway, Updike, and Bellen, Inc.

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