- Institute For Aegean Prhstry
- Institute Of Contemporary Art
- Institute-Electrical Engineers
- Insurance Store
- Intech Construction Inc
- Intellicomm
- Inter Cultural Family Svc Inc
- Intercultural Counseling Svc
- Interfaith Center-Greater
- Interim House West Phmc
- Intermezzo Cafe
- International Arti-Culture
- International House Of Phila
- International Inst-Forecasters
- International Store
- International Technology Exch
- Irving M Herling MD
- Isaac Bradley Boarding Home
- It Takes A Village Child
- Itno-J Spa
- Izzy & Zoe's Inc
- J & J Rodriguez Mini Market
- J & J Supermarket Inc
- J & S Jewelers