Maintenance Info. for Omega Industrial Contractors Omega delivers quality tenant improvements that are built with integrity and pride. We value our clients, and our highest... of the line construction services in any or all of the following areas: Office Tenant Improvements From Class "A" tenant improvements in Seattle high-rises to the mid-rise and garden... phase of tenant improvements. Commercial Tenant Improvements Retail, laboratories, restaurants, printing plants, medical and veterinary clinics, dental offices, clean rooms, server...