In the twenty-first century, the E.I. du Pont de Nemours & Company, better known as the DuPont Company focused on science with a diverse set of interests and products. It operates in more than ninty countries with corporate headquarters in Wilmington, Delaware, and employs more than 60,000 people worldwide, including 10,000 scientists and engineers. This is a collection of websites owned by or affiliated with the DuPont Company, between 2011 and present. Complete web archive is available at https://archive-it.org/collections/2606.

Items with a specific and limited use, created with the intention of being discarded after serving their purpose, are called ephemera. This collection consists of mixed-format ephemera from various endeavors within American culture, primarily the manufacturing and selling of products or services.

George Y. Swickard (1906-1958) was a medical doctor involved in industrial medicine who worked with E.I. du Pont de Nemours & Company. During World War II, Swickard worked as a medical supervisor with the DuPont Company at various locations, including atomic research projects at Oak Ridge, Tennessee, and at Hanford, Washington. This collection consists of certificates, newsletters, pamphlets, and souvenir programs amassed by Swickard, mostly in the course of his work for DuPont.

Keystone Mushroom Farms, Inc. was a producer, canner, and distributer of mushrooms in Coatesville, Chester County, Pennsylvania. It was the successor of two previous businesses, L.F. Lambert Spawn Co. and Keystone Mushroom Company, Inc., which were formed in the early 1920s with complementary functions of spawn research; production and sales; and mushroom propagation, canning, and distribution. These records document the L.F. Lambert Spawn Co. and the Keystone Mushroom Company, Inc. The collection includes financial records, correspondence, payroll, reports, and shipment and inventory information. Of special interest are the records documenting Lambert's work with the War Production Board to produce penicillin.

Two nineteenth-century pharmacists formula books, one from William King (1823-1903), of Philadelphia, and one from Edward S. Townsend (1844-1913), of Philadelphia and Dover, Delaware. William King was a Philadelphia druggist and worked in the oil business, first as a jobber and then as a refiner. Edward S. Townsend was a druggist in Philadelphia and Delaware.

The Pew Charitable Trusts are a major philanthropic organization based in Philadelphia, Pennsylvania. Part of the Pew Charitable Trusts records in the Manuscripts and Archives Department, the digital archive consists primarily of eGrant products and Pew publications.

Stuart “Stu” Trott (1932-2017) was a New York advertising executive during the second half of the twentieth century, serving as Vice President and creative lead at the agencies of Benton & Bowles, Inc, and Norman, Craig & Kummel, Inc. before starting his own marketing consultancy. This collection of moving images, audio reels, slides, and ephemera document Trott’s work developing new advertising campaigns for some of the world’s best-known brands. Products advertised include Texaco gasoline, Crest toothpaste, Playtex bras, Ajax cleaning supplies, and Ziploc bags.