Two longtime Lincoln roofing companies have combined forces.

Neemann & Sons, Inc. announced last week that that it acquired Sprague Roofing Company on Oct. 31.

Sprague Roofing, which started business in 1961, offers commercial, industrial and low-slope roofing, as well as repair services in Lincoln and other areas of eastern Nebraska.

Neemann & Sons, which got its start in 1981, focuses on residential roofing, gutter and siding services. The company said in a news release that the acquisition will allow it to expand into commercial roofing.