Tuttle hires two interim engineering firms as Cowen Group contract ends

Dec 9, 2025

As Cowen Group's contract nears expiration, Tuttle approved interim service agreements with Glenn Sullivan & Associates and WDB Engineering PLLC to provide continuity on water, sewer and capital projects while staff prepares RFQs/RFPs for longer-term contracts.

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TUTTLE — Facing the upcoming expiration of its engineering agreement with Cowen Group, the Tuttle City Council authorized interim professional services agreements with two firms: Glenn Sullivan & Associates and WDB Engineering PLLC.

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