G. M. Hopkins and Co. (fl. c. 1865 - 1943) was a Philadelphia based civil engineer and surveying firm active in the middle part of the 19th century. Hopkins and Company, working with cartographic publishing figures such as Henry Francis Walling, Robert and George Tackabury, Gray, and Robert Clark, was part of the middle to late 19th century effort to create highly detailed privately published maps and atlases of American states, counties, cities, and towns. Many of these early maps, most of which focused on the Middle Atlantic and New England States, relied on original independent survey work done by figures such as Hopkins and others. The maps were then sold door to door by subscription in their focus areas. The G. M. Hopkins Company which continued to produce surveys until 1943.