Boxes 1-7 contain meeting minutes and lists of Board of Directors and Executive and Nominating committees. Boxes 8-11 describe the service programs established by the Service Overview Committees to carry out the mission of the organization. Boxes 12 and 13 contain financial reports, including endowment funds, guidelines and manuals for different sections of the organization. Box 14 contains photographs, annual reports, publications, and other miscellaneous ephemera.

The most significant historical contents in this collection are the materials found in Box 1, which include photographs and a scrapbook of newspaper accounts detailing the ACWA Strike of 1933, as well as a substantial amount of material regarding the proxy battle of 1960. Box 2 contains a broad collection of general historical material about the company, such as newspaper articles, advertisements, and style model books, as well as an original Heumann patent and Heumann biographical information. Significant financial and stock information is found in Box 3, including original turn of the century bank account books, annual reports, executive payroll reports, and stockholder correspondence. Finally, Box 4 contains miscellaneous business and legal documents related to Keller, Heumann and Thompson, Inc. such as by-laws, constitutions, and minutes of meetings.

The collection consists of minutes of meetings of the general Board, the Board of Directors, and the various committees from December,, 1926 to December, 1955; bank and account books from 1924 to 1926; a stock ledger; and minutes of the meetings of the older Local Board of Fire Underwriters from the years 1881-1886. There are also seven scrapbooks containing primarily newspaper clippings and agency newspapers from the year 1927 to the year 1958. Pages from another account book covering the years 1929-1940 can be found at the beginning of the first scrapbook. There is also a carbon copy of a letter written by Mr. Louis Hawes, the Executive Secretary of the Board, to Mr. J. Edgar Hoover, head of the Federal Bureau of Investigation, and Mr. Hoover's reply at the beginning of the fifth scrapbook.