- I-T'An Yu & Assoc Inc
- Institute For Experimental
- Insurance Federation Of Pa
- Intech Construction
- Integrity-Philadelphia Gay Eps
- Inter Act Theatres Co
- Inter Parking
- Interactive Media Group
- Interior Works
- Interius Leasing
- Intermodal Management
- Internap NETWORK Svc
- International Association
- International Inst Of Forensic
- International Institute
- International Legal Def
- International Market Recruiter
- International Salon
- Internet Financial
- Interstate Locksmith Inc
- Interworld Travel Inc
- Intracorp
- Irene Feigin
- Irene R Marshall CPA
- Irish Pub
- IRS
- Irvin Siegel
- Isard Greenberg Co
- Israel Programs Ctr
- It'z A Wrap
- Italian Market
- Italy-America Mid-Atlantic
- J & L Parking Corp
- J & M Insulation Co
- J A Co
- J A Transportation
- J A Young
- J B Co
- J B Hanauer & Co
- J C Co
