Kreider was elected as a Republican to the Sixty-third and to the four succeeding Congresses. He served as chairman of the United States House Committee on Expenditures in the Department of the Interior during the Sixty-sixth and Sixty-seventh Congresses).
Kreider's political career involved being elected as a Republican to the U.S. House of Representatives for six consecutive terms, serving from the Sixty-third to the Sixty-seventh Congresses. During this time, he held the position of chairman of the House Committee on Expenditures in the Department of the Interior.