- Crosby, John Q. A1
- Davis, George W. (Civil Engineer)1
- Davis, R. S. (Surveyor)1
- Donica, Roy E., cartographer.1
- Fairman, Thomas1
- Fropbenius, Gus1
- Geil & Harley1
- Geil, John F., cartographer1
- Geil, Samuel, publisher1
- Harley, David S.1
- Harper & Brothers1
- Hefel, Toney C.1
- Hefel, Toney C., cartographer.1
- Heinze, M. A, draftsman.1
- Historic Memorials Society (Detroit, Mich.)1
- Historic Urban Plans (Firm) http://id.loc.gov/authorities/names/n81127555 http://viaf.org/viaf/1324451251
- Homer Warren and Company.1
- Huntoon, L. P., cartographer.1
- Jones, W. D.(William De Forest), cartographer.1
- Kibele, Cuno1