- I-Site Inc
- Institute For Clinical Sci Inc
- Insurance Placement Facility
- Insurance Society Of Phila
- Intech Construction
- Intel Communication Svc
- Intelco
- Intellispace
- Interep National Radio Sales
- International Assn Of Business
- International Consultants Inc
- International Hyperhidrosis
- International Manufacturing
- International Physicians Group
- International Raw Materials
- Interstate Land Management
- IOP Publishing
- IOP Publishing Inc
- Irving Gansky
- Isaak Albiter Jewelers
- Italian Consulate General
- Italian Consulate General
- J & L
- J & L Degigns Unlimited Inc