Gemini Engineering Gemini, Gemini tool, geminitool, geminitl, Chicago, Franklin park, Illinois, IL, Engineering, Design (CAD) build special machines, dies, tooling, short run, CNC machining, stamping, prototype parts, EDM, Aircraft / Aerospace, Automotive, Food, Straw Gemini provides integrated environmental, health and safety, and real estate transaction support services to commercial, industrial, and institutional customers throughout North …