Lyon Engineering opens new Washington office On March 1, 2009 Lyon Engineering will open its new Oak Harbor office on Whidbey Island. City of Prescott Water System Upgrades Lyon Engineering awarded design contract. Napa Valley Wine Train Lyon Engineering hired as project surveyors in Napa, California. Granite Dells Estates Lyon Engineering hired to design master planned community in Prescott, Arizona. Hobby Lobby Lyon Engineering hired to design Hobby Lobby. Chino Valley Sewer Extension Lyon Engineering hired to design Sewer System. City of Prescott Zone 12 Water Extension Lyon Engineering hired for Construction Management. Full News Articles. Click here