The Holmes Mechanical mission is simple . . . to deliver your project on-time and within budget. Our knowledge and expertise guides a project through the entire process, from conception to completion. BONNEVILLE DAMSEA LEVEL AQUIFER PUMP & TREATMENT SYSTEMWYCKOFF WATER TREATMENT FACILITYNAS WHIDBEY / HANGAR 5ARMY GROWTHLoad more We serve the Pacific Northwest in all phases of Mechanical Projects and General Construction for Industrial and Commercial applications. CONTACT US