The Atlantic Dynamite Company was one of the largest manufacturers of dynamite in the United States between 1882 and 1904. These are four volumes containing entries listing employees, hours worked, and wages paid at a dynamite plant at Kenvil, New Jersey.

E.I. du Pont de Nemours & Company Repauno Works manufactured high explosive dynamite. The company began as the Repauno Chemical Company on June 7, 1880 founded by Lammot du Pont (1831-1884). Lammot du Pont was a chemist working for the family business, E.I. du Pont de Nemours & Company, a chemical company which originally produced gunpowder. This collection consists of material for the 100th anniversary of the E.I. du Pont de Nemours & Company Repauno Works.