| Iknowtion - Nonclassifiable Establishments |
| Ifma-Boston Chapter - Association or Organization |
| Iball Inc - Computers - Software |
| Independent Systems Distr - Fire Alarm Systems (Wholesale) |
| Imperial Jade Gardens - Chinese Restaurant |
| Independent Concrete Pumping - Concrete - Pumping Service |
| Industrial Chemical Co - Specialty Sanitation (Manufacturers) |
| Ieee - Engineers - Professional |
| Imark Tsrc Management Co - Services |
| Impression Nail - Manicuring |
| Implant Sciences Corp - Services |
| Independent Mortgage - Real Estate - Loans |
| Information Builders Inc - Computers - Software |
| Infonet - Nonclassifiable Establishments |
| Inn Style Barber Shop - Barber Shop |
| Innovative Applied Solutions - Services |
| Innovative Resource Group - Graphic Designers - Computer |
| Industry In Motion - Material Handling Equipment (Wholesale) |
| Infra Metrix - Pipe - Inspection |
| Infiniti Records Corp - Nonclassifiable Establishments |
| Insights - Services |
| Instrument Dynamics - Electronic - Manufacturers Representatives (Wholes |
| Intercontinental Real Estate - Real Estate |
| International Festival - Festival |
| International Contract Carrier - Trucking |
| Integra Communications - Semiconductor Devices (Manufacturers) |
| Interior Solutions - Services |
| Iron Horse Antique Gallery - Antiques - Dealers |
| International Magazine Svc - Magazines - Subscription Agents |
| Isabella's Salon - Beauty Salon |
| India's Finest - French |
| International Tech Law Assoc - Business Organizations |
| Interpro Solutions - IT Services |