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402 7331600 emailprotected Helping Operating Engineers Bargainfor Better Wages and Conditions International Union of Operating Engineers Local 571 in Omaha NE is a mixed Local. This means that we consist of stationary engineers and operating engineers. Our skilled group comes from all areas of the workforce including heavy and highway building and pipeline on the construction side. On the stationary side we cover a variety of private and public sectors varying from different county offices like 911 Dispatchers CSI County Roads Metro Community College Martin Marietta Aggregates and more.