Our Clients

Over our three-plus decades, GSI has been privileged to serve a wide array of clients across the nonprofit spectrum. About 90 percent of our business comes from referrals and repeat engagements, which reflects our high level of client satisfaction.


  • Hospitals, Medical Centers, Critical Access and Research Facilities
  • Healthcare Systems
  • Hospice, Palliative Care and Cancer Centers
  • VNA, Elder and Long-Term Care, Ambulatory Medical/Surgical
  • Rehabilitation and Behavioral Health


  • Elementary and Secondary Schools
  • Colleges and Universities


  • Churches and Congregations
  • Religious Organizations

Human and Social Services

  • Wellness Centers
  • Community Agencies

Cultural, Animal Welfare, Environmental And Associations

  • Libraries, Museums, Aquariums and Zoos
  • Foundations, Associations, and Societies