Contact Information


Derek Johnson


(515) 243-9143



508 E Locust St
Des Moines, IA 50309-1912
United States


ISG has over 48 years of experience building trusting relationships with cities and partners across the Midwest. With over 350+ professionals, ISG's multi-disciplinary experts include municipal, environmental, structural, mechanical, and electrical engineers; community planners; architects and landscape architects, former City Administrators, and Water/Wastewater Operations who put real world experience to work

Primary Service


Additional Services

Architectural Services,Engineering,Geographical Information Services,Land Planning & Development,Public Planning/Grant Writing,Surveyors

Service Directory Resources


This publication is designed to assist cities begin their annual budget process. Learn about revenues, expenditures, legislation and other budget issues.

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We asked our members about the League’s services, check out their responses in our membership survey.

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