Founded in 1934, the Association of American Railroads is a leading railway organization that focuses on productivity and safety of the U.S. rail industry. Members include major freight railroads in North America and Amtrak. This collection is an educational kit composed of three parts created by the Association of American Railroads. There are two teacher's manuals and loose photographs.

The Coca-Cola Company is a software beverage manufacturer. It was formulated in 1886 by Dr. John Stith Pemberton (1831-1888) as a medicinal syrup for headaches. The company has since evolved into a corporation producing beverages and associated products. This small collection is a 1949 salesman training kit. Researchers interested in merchandise and training procedures regarding the Coca-Cola Company would find this collection useful.

E.I. du Pont de Nemours & Company was a chemical company and began a research program in dyes in 1916. By the late 1920s the DuPont Company was one of the four major U.S. dye producers and controlled twenty-five percent of the market. The records consist of notebooks and procedures on dyes, which describe the colors, uses, applications, tests, and fastness and dying properties for dyes manufactured by DuPont and its competitors.

The Radio Corporation of America (renamed RCA Corporation in 1969) was best known for its pioneering radio and television development and manufacturing. In addition to consumer electronics, RCA was a major player in the development of electronics for industrial and military applications. The collection contains extensive documentation of RCA’s consumer and industrial products and components. Files include manuals, technical data, advertisements, technical bulletins, catalogs, and training materials.

The Radio Corporation of America (renamed RCA Corporation in 1969) was a major American electronics company founded in 1919. RCA dominated electronics and communications for over fifty years. RCA Rocky Point Station was built as a communication hub known as Radio Central. Radio Central was the largest radio station in the world at one time, and its primary focus was intercontinental communications. This collection documents the activities of RCA Rocky Point Station, including its construction plans, blueprints, reports, and files relating to antenna data and calculations, building systems information, and radio propagation. Rocky Point Station was in operation from 1921 to 1978. This collection would be useful to researchers interested in RCA communications, early radio broadcasting, radio engineering, and radio propagation.

The Singer Manufacturing Company, once the world's leading producer of sewing machines, was incorporated in 1863 as the successor to I.M. Singer & Co., established in 1851. This collection contains five items regarding the lease of a sewing machine and an instruction manual for the model no. 115 sewing machine.