DuPont Company Repauno Works manufactured high-explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880, by Lammot du Pont (1831-1884), a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company that originally produced gunpowder. In 1980, the Repauno Works celebrated its centennial anniversary. This small collection contains materials generated in the process of organizing the centennial celebration of the Repauno Works.

E.I. du Pont de Nemours & Company is a chemical company that began as a gunpowder manufacturer in 1802. In 1939, the DuPont Company created the Seaford Plant near Seaford, Delaware, to be the world's first nylon plant. The bulk of the records in this collection relate to the planning of the Seaford Plant's 50th anniversary celebration events; however, there is a small amount of documentation related to the introduction of nylon, as well as operation and wage statistics from the 1940s through the 1960s that would be of interest to researchers interested in textiles, manufacturing, or labor practices.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. In 1952, the DuPont Company celebrated its 150th anniversary. The collection contains miscellany issued as part of the celebration, including invitations, programs, and newsletters. There are some materials related to the planning of the event, the ceremony, and policies for employee attendance.

The DuPont Company purchased the land for a smokeless powder plant at Carney's Point, New Jersey (across the Delaware River from Wilmington, Delaware) in 1890. In 1892 it produced its first guncotton, and then the first smokeless powder. This collection consists of twenty panoramic photographs of Carney's Point smokeless powder plant, including exteriors of various buildings and groups of workers.

The John B. Stetson Company was a manufacturer of hats. The company was founded in 1865 by John B. Stetson (1830-1906) in Philadelphia, Pennsylvania. The company's Kensington plant consisted of twenty-five buildings covering nine acres at Germantown and Montgomery Avenues. During its heyday in the 1920s it employed over 5,000 people to make its hats. This is a small collection of photographs and other material relating to the company. The photographs focus on the workers in and around the factory and its amenities.

John Trageser Steam Copper Works manufactured galvanized and copper range boilers, expansion tanks, hot water tanks, as well as; sinks, drainboards and bathtubs. This item is a page (March 1926) from a calendar of the John Trageser Steam Copper Works of New York. A humorous color illustration by Tony Sarg shows four men golfers "Limbering up at the first tee."

The Leeds & Northrup Company traces its origins to Morris E. Leeds & Company, established by Morris E. Leeds (1869-1952) in 1899 to develop and manufacture precision instruments. Their records consists of minutes from the Development and Executive Committes and the Cooperative Association.

DuPont Company Repauno Works manufactured high explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880, by Lammot du Pont (1831-1884), a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. This collection of photographs includes numerous views of the buildings, facilities, employees, and plant operations and activities.

The Sunoco Oil Company is a leading provider of oil for the United States. The company was founded in the 1800s in Pittsburgh, Pennsylvania and is currently based in Philadelphia, Pennsylvania. This collection features an event program cut in the shape of the diamond and arrow Sunoco logo. The program contains a menu for the banquet, a list of special guests, caricatures of some of the bowlers, as well as the results of the company's employee bowling league's 1931-1932 season.