Walter Magee Annettee (1874-1955) was a DuPont Company dynamite salesman, who was based in Birmingham, Alabama. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 by Pierre Samuel du Pont de Nemours and his son Eleuthère Irénée du Pont the company began with the production of gunpowder. These are illustrated envelopes advertising DuPont Company smokeless powder and blasting powder; Giant powder (a product of Atlantic Dynamite Co.); Atlas powder (a product of Repauno Chemical Co.); and Hercules powder (a product of Hercules Powder Co.).

Walter S. Carpenter, Jr. (1888-1976) was an industrialist, philanthropist, and former President and Chairman of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. This collection of personal papers of Carpenter, Jr. consists primarily of letters to family, friends, and business associates, as well as financial information records. The papers date from 1916 to 1976.

Wawaset Park was a planned residential community built by the DuPont Company around 1918 for its executives in Wilmington, Delaware. These panoramic photographs depict construction of homes and overall views of area, street scenes, and pictures of individual houses.

William Spruance (1873-1935) was an electrical engineer and corporate officer in the DuPont Company. The collection contains letters about shares in the E.I. du Pont de Nemours Powder Company awarded under the company's bonus system.

William du Pont, Sr. (1855-1928) was an industrialist and member of the prominent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). William du Pont, Jr. was the youngest child of du Pont, Sr. and Annie Rogers Zinn du Pont (1858-1827). Du Pont Jr. became the president of Delaware Trust Company in 1929, the youngest bank president in Wilmington at that time. In 1952, he became chairman of the board, retaining both positions until his death in 1965. The William du Pont family papers are organized into two record groups: William du Pont, Sr. papers and William du Pont, Jr. papers. The William du Pont, Sr. papers primarily encompass the years of his active business life from the early 1880s to his death in 1928. There are also some papers from his early life and after his death. The William du Pont, Jr. papers document areas of his activities predominantly concerned with land development in Wilmington, Delaware; farming, animal breeding and foxhunting in Delaware, Pennsylvania, Maryland and Virginia; and promotion of horse racing in the United States, especially in Delaware.

William Henry Radebaugh (1909-1996), was a public relations executive at the DuPont Company for over twenty years. He wrote, produced and directed many films about the company during his tenure there and for several years after his retirement. The bulk of the collection contains his scripts, storyboards, proposals and films, written and directed by William Henry Radebaugh. Several of the films are concerned about safety in the plants and in the use of DuPont products. Also included are four compilation reels of short news segments about different products, plants and services of the DuPont Company. There are also films about specific DuPont plants and laboratories including the Haskell Laboratory, the Spruance plant in Richmond, Va.; the Tecumseh plant in Tecumseh, Kansas, the Washington plant in Washington, West Virginia and the twenty fifth anniversary of the Victoria, Texas plant.

William Hilles Ward (1892-1961) was a chemist, who specialized in explosives serving in high positions at the E.I. du Pont de Nemours & Company and the Remington Arms Company, Inc. The collection includes press clippings, speeches, photographs of Ward and the DuPont Board of Directors, birth and death certificates for Ward and his wife Sophie Hodges Ward (1894-1968), obituaries and memorials.

Engineer's notebook kept by future DuPont Company vice president Willis F. Harrington (1882-1960) while an entry-level engineer at the Barksdale Works in Wisconsin.

William Winder ‘Chick” Laird, Jr. (1910-1989) was a director of E. I. du Pont de Nemours and a financial advisor, starting his own brokerage firm in Wilmington, Delaware. This collection includes photographs of interiors and exteriors of du Pont family estates and homes in Delaware, as well as portraits and snapshots of du Pont and Laird family members. The collection also contains a large number of lantern slides, blueprints, maps, and film reels of home movies and family skits.

William Winder ‘Chick” Laird, Jr. (1910-1989) was a director of E. I. du Pont de Nemours and a financial advisor, starting his own brokerage firm in Wilmington, Delaware. He was the son of William Winder Laird (1878-1927) and Mary Alletta Belin DuPont Laird (1878–1938). He had four siblings. His mother was great granddaughter of Eleuthere Irenee du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. His father, William Winder Laird (1878-1927) was actively involved in the DuPont Company as well as an advisor to his brother in law, Pierre S. du Pont (1870-1954). This is small collection of various items belonging to W. W. Laird Sr. and W.W.'Chick' Laird, Jr.