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.

Armco Culvert Manufacturers Association was a trade association comprised of road materials manufacturers and distributors from every state that focused on drainage and sewage. It was headquartered in Middletown, Ohio. This item is a typescript that provides a highly technical and detailed instructional guide to the field application of the Armco Jacking Method, a system of trenchless culvert installation developed by the Armco Culvert Manufacturers Association. Contents include a series of reports on completed jobs in a variety of locations.

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.

RCA Institute, Inc. was an electronics school and subsidiary of the RCA Corporation, one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. The school specialized in basic electronics and electronics technology; computer technology; and courses for radio, television, and air‐conditioning servicing, as well as its traditional courses in amateur radio‐operator skills. These two educational instructional manuals were bound together. One focuses on RF-I transmitters, while the other concerns RF-II receivers. The laboratory manuals were intended to be guides for students at the RCA Institute in their work in the laboratory. They include questions and experiments to correlate to classroom lectures and practical work. The manuals' copyright dates are 1945 and 1946.

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.

The Textile Machine Works began as a braiding machines repair and replacement company for German imported equipment, but they began building their own braiding machines in late 1892. During the 1900s, the company assembled the first American full-fashioned knitting machine. Production increased from about 100 per year in 1912 to more than 1,000 per year by 1926, as the market for full-fashioned hosiery expanded. The Textile Machine Works was founded by Henry Janssen (1866-1948) and Ferdinand Thun (1866-1949) on July 5, 1892, in Reading, Pennsylvania. This small collection consists of two publications, both related to the "Reading" knitting machine. One is titled The "Reading" Full-Fashioned Knitting Machine parts catalog and the other is titled T.M.W. Erector's Bulletin. The materials in the collection date from 1929 to 1956, with the majority of the items dating from the 1930s and 1940s.

Therese Olmsted (1931-2021) worked for Avon Products, Inc. as a sales representative, later becoming a district manager. Avon Products, Inc. is a manufacturer and direct selling company of beauty products. It is one of the oldest direct selling companies in the United States. This small collection consists of instructional audio recordings about Avon cosmetics and recordings of Avon-sponsored holiday music (e.g., birthday, Christmas, New Year's, sales meetings). The Avon cosmetics instructional audio recordings are part of a set called "Avon Beauty Course." This collection contains parts 4 through 7, covering the following topics: Makeup, Bathing & Grooming, Fragrance, and Family Needs. The holiday music consists of popular and classic music performed by symphony orchestras or by popular musicians of the day, such as Peggy Lee and Elvis Presley.