MSI Mechanical Systems, Inc.
MSI Mechanical Systems, Inc. is a premier commercial (Design Build) Plumbing Contractor. We have been providing outstanding customer service to our Clients and General Contractors in the Pacific Northwest for over 30 years. We own our 20,000 square foot office/warehouse and fabrication facility located in Hillsboro, Oregon. We pride ourselves on completing each and every project on time and within budget.