May & Johnson, P.C. was founded in 1925 in Sioux Falls, South Dakota, by B.O. Stordahl and Lloyd Waggoner. Throughout its rich history, the firm has attracted a host of standouts in the legal profession. Robert G. May was one of the country's leading attorneys in the field of motor carrier law. The firm's attorneys have also included a South Dakota Governor and one of the youngest United States Attorneys in the country's history. Firm members are active in the Defense Research Institute and include a past president of the South Dakota Defense Lawyers Association.

A full service legal practice at every level of state and federal court, the firm focuses on civil litigation, including insurance defense and insurance law, construction law, professional malpractice defense, product liability law, worker's compensation law, business, commercial and corporate law. In addition to the firm's solid litigation practice, the firm's business attorneys practice in the specialized areas of estate and trust administration, elder law, estate planning, taxation, and real estate law.

May & Johnson provides quality legal services with integrity, professionalism and respect for its clients and the community. Proud of its history in Sioux Falls, the firm maintains traditional standards while seeking progressive solutions to its clients' needs.

For eighty years, the professionals of May & Johnson have provided skilled innovative legal services while maintaining high standards of integrity. The firm's pride in legal excellence, its dedication to personal client service, its commitment to providing comprehensive legal counsel, and its standards of community and civic involvement remain fundamental to the firm and its practice.