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.