ISG
Engineers, Architects, Dakota Valley Business Council Members
150 Tower Road
Suite 115
Dakota Dunes, SD 57049
(605) 910-7097
Exit 1 off I29 then west on Two Rivers Drive/Dakota Dunes Blvd. Turn north at the stoplight on to Sioux Point Rd, then right onto Tower Road.
Office hours M-F 8 am to 5 pm
who to contact
Laura Drager
Marketing Manager
Dane Ekdom
Lucas Lorenzen
Project Executive
Chad Merchant
Refrigeration Group Leader
Sarah Mirkes
Public Relations Coordinator
Maria Pedroso
Events and Marketing Coordinator
Ronna Poppens
Development Strategist

ISG

Engineers | Architects | Dakota Valley Business Council Members
about us
ISG is a full-service architecture, environmental, engineering, and planning firm that is 100% employee owned with a rich history, which extends over 50 years of building trusting relationships.