Sort by:
| Company | City | NAICS |
|---|---|---|
| ICA Group | Northampton, MA | Consulting |
| iCorps Technologies, Inc | Woburn, MA | Data Processing, Hosting, and Related Services |
| Ideal Concrete Block Co., Inc. | Westford, MA | Concrete Block and Brick Manufacturing |
| Ideal Kitchens Home Improvement, Inc. | Chicopee, MA | Wood Kitchen Cabinet and Countertop Manufacturing |
| Ideal Transportation Company, Inc. | Peabody, MA | General Freight Trucking, Local |
| IHS Markit | Boston, MA | Other Management Consulting Services |
| Imperial Distributors, Inc. | Worcester, MA | Drugs and Druggists' Sundries Merchant Wholesalers |
| Incom, Inc. | Charlton, MA | Glass Product Manufacturing Made of Purchased Glass |
| Incompass Human Services | Chelmsford, MA | Other Individual and Family Services |
| Independent Concrete Pumping Corp. | Wakefield, MA | Poured Concrete Foundation and Structure Contractors |
| Independent Mechanical Contractors Inc | Woburn, MA | Plumbing, Heating, and Air-Conditioning Contractors |
| Independent Motels, Inc. D/b/a Stoughton Motel | Stoughton, MA | Hotels (except Casino Hotels) and Motels |
| Indian Ridge Country Club | Andover, MA | Golf Courses and Country Clubs |
| Indigo Ag, Inc | Boston, MA | Farm Management Services |
| Industrial Burner Systems, Inc. | Quincy, MA | Plumbing, Heating, and Air-Conditioning Contractors |
| Industrial Communications & Electronics, Inc. | Marshfield, MA | Wireless Telecommunications Carriers (except Satellite) |
| Industrial Handling Systems, Inc. | Westfield, MA | Industrial Machinery and Equipment Merchant Wholesalers |
| Industrial Mechanical Insulation Corp. | Southampton, MA | Plumbing, Heating, and Air-Conditioning Contractors |
| Industrial Polymers and Chemicals, Inc. | Shrewsbury, MA | Fabric Coating Mills |
| Industrial Precision, Inc. | Westfield, MA | Machine Shops |
| Infusion Support Systems, Inc. | North Andover, MA | Nursing Care Facilities (Skilled Nursing Facilities) |
| Iniram Precision Machinery LLC | Middleton, MA | Machine Shops |
| Insight Numerics | Cambridge, MA | Custom Computer Programming Services |
| Insight Partners LP | Boston, MA | Administrative Management and General Management Consulting Services |
| Inspiration Zone LLC | Norwell, MA | Consulting |
| Instacart | San Francisco, MA | General Freight Trucking, Local |
| Integra Home Health | East Longmeadow, MA | Home Health Care Services |
| Integrated Accounting Systems | Woburn, MA | Electronics Stores |
| Integrated Insurance Solution | Framingham, MA | Insurance Agencies and Brokerages |
| Integrated Objects | Burlington, MA | Computer integrated systems design |
| Integrity Development & Construction | Amherst, MA | New Single-Family Housing Construction (except For-Sale Builders) |
| Intel Massachusetts, Inc. | Hudson, MA | Semiconductor and Related Device Manufacturing |
| Interior Stone LLC | Waltham, MA | Tile and Terrazzo Contractors |
| Internal Medicine Physicians of the North Shore | Peabody, MA | Offices of Physicians (except Mental Health Specialists) |
| International Beam Welding, Corp. | West Springfield, MA | Welding and Soldering Equipment Manufacturing |
| International Cars Ltd, Inc. | Danvers, MA | New Car Dealers |
| International EC, LLC dba The MacDuffie School | Granby, MA | Elementary and Secondary Schools |
| International Metal Products, Inc. | Chicopee, MA | Metal Crown, Closure, and Other Metal Stamping (except Automotive) |
| Interprint, Inc. | Pittsfield, MA | Commercial Printing (except Screen and Books) |
| Interstate Electrical Service Corporation | North Billerica, MA | Electrical Contractors and Other Wiring Installation Contractors |
| Interstate Speciality Products., Inc. | Sutton, MA | Plastics Materials and Basic Forms and Shapes Merchant Wholesalers |
| IntervalZero | Waltham, MA | Custom Computer Programming Services |
| IPG Photonics | Oxford, MA | All Other Miscellaneous Electrical Equipment and Component Manufacturing |
| Ipswich Shellfish Company | Ipswich, MA | Fish and Seafood Merchant Wholesalers |
| Irving House Corporation Aardvark Realty Trust | Cambridge, MA | Hotels (except Casino Hotels) and Motels |
| Irwin Engineers Inc. | Natick, MA | Engineering Services |
| Island Elderly Housing, Inc. | Vineyard Haven, MA | Assisted Living Facilities for the Elderly |
| ISP Freetown Fine Chemicals Inc. | Assonet, MA | Other Chemical and Allied Products Merchant Wholesalers |
| ITW Air Flow Management | Westminster, MA | Industrial Machinery and Equipment Merchant Wholesalers |
| ITW ShineMark | Newburyport, MA | Aluminum Sheet, Plate, and Foil Manufacturing |