The following architects have been active in the Copper Country:
- Erhard Brielmaier and E. Brielmaier & Sons
- Gunnar Birkerts
- Wells D. Butterfield
- Duncan Campbell
- Charlton & Gilbert; Charlton, Gilbert & Demar; Charlton & Kuenzli; Herbst & Kuenzli
- John D. Chubb
- Oscar Cobb
- Claude & Starck
- Dow, Howell, Gilmore & Associates
- Alexander Chadbourne Eschweiler
- Derrick Hubert
- Frank W. Hessenmueller
- Holabird & Roche
- G.L. Lockhart
- Hans T. Liebert
- Charles W. Maass; Maass Brothers; Fred Maass
- Paul H. Macneil
- Carl E. Nystrom
- Henry Leopold Ottenheimer
- Byron H. Pierce
- Charles Archibald Pearce
- Louis Piket
- William Pryor
- John Scott & Co.
- Donald M. Scott
- Eero Saarinen
- Shaw & Hunnewell
- Charles K. Shand, Shand and Eastman, Eastman and Cowles
- John B. Sutcliffe
- John B. Sweatt
- Tarapata, MacMahon & Paulsen Associates (TMP)
- A.F. Wasielewski
- Robert Correa Walsh
- Yamasaki & Associates
