- Integra One
- Integrated Marketing Solutions
- Integrity Seal Intl
- Intellacom Inc
- Inter Mountain Medical Group
- Interfaith Heights Apartments
- Interior Contract Design
- Interior Contract Designers
- Intermountain Health
- International Building Svc
- International Union-Oper Engrs
- Irs
- Irwin Weinberg Rarities
- Isabella Restaurant & Bar
- ISS
- J & E Sheet Metal
- J & H Excavating Co Plant
- J B Machine Inc
