Collection includes record books, 1939-1940 and 1941-1949, with meeting minutes, constitution, by-laws, correspondence, membership lists, news clippings, and financial statements.

Berke Brothers, Inc. was incorporated in 1950 by David S. Pattullo, Paul A. Lewis and Harry D. Skelton as a general contracting business. Collection consists of a minute book, 1950-1951, including articles of incorporation and certificate of dissolution.

Columbia Truck Express was a trucking company with routes from Portland to Seaside and Rainier, Oregon. Record book, 1938-1946, includes articles of incorporation and minutes.

Record book containing meeting minutes, resolutions, reports, financial accounts, and programs of the East Side Business Men's Club, an association concerned with promotion of commercial development and civic improvement in Portland, Oregon, particularly on the east side.

The Eastern Oregon Livestock Company was a group of holders of grazing lands in Harney County and was sold to Fred, Gill & Sons in 1944. Record book, 1942-1944, contains minutes and certificate of dissolution.

The Iron Fireman Corporation was headquartered in Portland, Oregon, and sold and leased automatic coal burners. Record books, 1934-1955, include articles of incorporation, minutes, and certificate of dissolution.

Journal Building Company record book, 1911-1958, with articles of incorporation, minutes and certificate of dissolution.

Record book of the Ladd Estate Company of Portland, Oregon, containing documents from the company's incorporation in 1908 until 1926. Records include the articles of incorporation, meeting minutes, annual reports, director's oaths, and the agreement to sell the company to Paul C. Murphy and Frederick H. Strong. The Ladd Estate Company developed the Portland neighborhoods of Ladd's Addition, Westmoreland, Eastmoreland, and Dunthorpe in the early 20th century.