The Young Electric Sign Company (YESCO) Corporate Records (1914-2000) document the history of the Young Electric Sign Company (YESCO) and is comprised of photographs of sign production and finished signs, negatives, slides, transparencies, anniversary scrapbooks, and videotapes. The collection also contains meeting minutes, correspondence, price books, drawings, calculations, newspaper and trade magazine articles on YESCO, advertising materials, and oral history interviews and audio recordings of YESCO designers and executives. YESCO is responsible for many of the neon signs in and around Las Vegas, Nevada and Reno, Nevada, as well as other Western states.

The Greenpeace Pacific Southwest Records are comprised of files and documents pertaining to environmental activism in Southern Nevada from 1962 to 1994, primarily addressing the organization of protests at the Nevada Test Site. The collection contains newspaper articles, newsletters, publications, financial records, protest information, correspondence, meeting minutes, articles of incorporation, Freedom of Information Act requests, and Nevada Test Site information. Also contained in the collection are maps and documents related to various environmental issues such as nuclear waste, land use, wildlife protection, and international environmental activism.