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Upper Peninsula Plumber Pipefitters and HVACR WE ARE UA LOCAL 111 We proudly represent the workforce for plumbers pipefitters and HVACRservice technicians fields in the Upper Peninsula of Michigan and Niagra Wisconsin. From welding and fitting pipes in a wastewater plant papermill mine or power plant to installing steam systems beneath a city street we are the men and women who keep critical systems intact. Our highquality UA apprenticeship programs make our pipefitters welders and HVAC service technicians some of the best in the industry. The Upper Peninsula is just as important to us as it is to you.