Top 10 Architecture Firms

Published March 14, 2007, Sioux Falls Business Journal
Copyright © The Source, 2006-07


Ranked by number of registered architects.
Rank Company Local Executive(s) # Architects # Employees Type of Work
1 TSP Inc. Richard Gustaf, CEO 7 61 Commercial, government, institutional
2 Architecture Incorporated Alan R. Dempster, president 7 24 Commercial, restoration, planning, interiors, government, institutional, LEED
3 Koch Hazard Architects Jeffrey A. Hazard, Senior principal and CEO 3 22 Education, church, health care, recreational, cultural, government, preservation, commercial, residential
4 Banner Associates Inc. Robert J. Rysavy, vice president 3 14 All
5 Miller Sellers Heroux Architects Inc. Robin Miller, president 3 12 All, mostly commercial
6 RSArchitects Gary Stanley, president 2 10 Commercial
7 Group II Architects PA Paul H. Boerboom, principal 2 7 Financial institutions, libraries, health care, law enforcement, corrections, cultural
8 Baldridge & Nelson Architects & Engineers Inc. Jeffrey Nelson, president 2 7 All
9 Innovative Design & Management Services LLC Lanny J. Auringer, president and owner 2 6 Commercial, industrial, project management
10 Van De Walle Associates LLC David Erickson and Bradley Dietzenbach, partners 1 5 Residential, retail and offices


Sources: Sioux Falls Business Journal research; information from companies.
Notes: When tied, ranked by number of employees and then year founded; includes companies with at least five employees.

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