Tammi John's Colleagues at GEM Incorporated
Tammi John's Contact Details
419-241-5000
GEM Incorporated
Tammi John's Company Details
Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges. From design/build to upgrading and retrofitting to ongoing facility maintenance, GEM is the contractor you can rely on for reduced cost of operation and long-term stewardship of your facility. Services include: Boiler Installation, Repair & Maintenance Electrical GEM Process Solutions (GPS) - design/build for process-driven construction projects In-House Fabrication Shop Machinery Installation Mechanical (HVAC, process piping, plumbing) Mechanical Insulation Structural Steel Erection GEM Inc. is a member of the Rudolph Libbe Group of companies.