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We represent clients in all of the State and Federal Courts in the tri-state area of Iowa, Nebraska and South Dakota. We also serve clients in non-litigation matters in the same geographical area. All members of the firm are licensed in Iowa. Some members of the firm are also licensed in Nebraska and South Dakota.

The law firm of Mayne, Hindman, Frey, Parry & Wingert is conveniently located at 701 Pierce Street, Suite 300 in downtown Sioux City, IA, just east of the Woodbury County Courthouse. You can also call us to at 712-277-1434 to schedule your consultation and discuss your case.


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The firm’s legal ability and high ethical standards have earned the prestigious recognition of being rated “AV Preeminent” by the leading national attorney rating service, Martindale-Hubbell.

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