Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Mankato, Minn., as listed by ENR in the 2026 Top 500 Design FirmsSource: enr.com/toplists/2026-top-500-design-fi…
- Founded
- 1999Source: isg.com/de
- Employees
- More than 800 employees, per the firm's siteSource: isg.com/de
- Website
- isg.comSource: isg.com/de
- Ownership type
- Ownership not published
Legal name, DBA and former names
- ISG (name as shown on the firm's website)Source: isg.com/de
Employee count or band
- More than 800 employees, per the firm's site.Source: isg.com/de
Services and markets
- ISG provides recruiting, executive search, personnel development and training, interim management, temporary staffing, and real estate services across multiple industries.Source: isg.com/de
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi…
News timeline
- 2025-12-12: ISG held its 2025 Christmas meeting at Palais Ephrussi in Vienna.Source: isg.com/de/news
Sources of record
Ownership tag: Ownership not published. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
