Private company

G.M. Hopkins & Co.

G.M. Hopkins & Co. is an American civil engineering and surveying firm based in Philadelphia founded in 1865.¹ It was founded by Henry Whitmer Hopkins and Griffith Morgan Hopkins.¹ It ceased to exist in 1940.¹

Last updated Oct 21, 2026.

Overview

1865Founded¹

Industrypublishing industry¹
HeadquartersPhiladelphia, United States¹
Founded inPhiladelphia¹

See how the biggest companies compare on our leaderboards

The story

Founded by Griffith Morgan Hopkins and Henry Whitmer Hopkins in 1865, in Philadelphia.¹

Leadership

Who has led G.M. Hopkins & Co., and when. Pick a name to see everywhere that person has worked.

FounderGriffith Morgan Hopkins¹
FounderHenry Whitmer Hopkins¹

Products and brands

atlas
cadastral map
map

Listed on Wikidata.¹

Subsidiaries and ownership

Former owners and parents

Griffith Morgan Hopkins 1865 to Sep 23, 1901
Henry Whitmer Hopkins 1901 to 1902

From Wikidata.¹

Former names

G.M. Hopkins and Company1865 to 1901¹

Timeline

1940Dissolved Dissolved¹
1902Renamed Name changed to G.M. Hopkins Company¹
1901Acquired Acquired by Henry Whitmer Hopkins¹
1865Acquired Acquired by Griffith Morgan Hopkins¹
1865Founded Founded in Philadelphia¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataG.M. Hopkins & Co. on Wikidata