| 1 | chelmsford school district | €85.8M | 750 | 60 | C+ |
| 2 | hcl appscan | €84.5M | 3,000 | 60 | C+ |
| 3 | SUNS International, LLC | €70.0M | 350 | 60 | C+ |
| 4 | On-Site Analysis | €39.2M | 125 | 60 | C+ |
| 5 | Teknobit solutions Inc. | €31.1M | 350 | 60 | C+ |
| 6 | Blackstone Global | €26.3M | 125 | 60 | C+ |
| 7 | Gustavo Preston Company, Inc. | €25.0M | 125 | 60 | C+ |
| 8 | HITEC Sensor Developments, Inc. | €25.0M | 125 | 60 | C+ |
| 9 | Koken USA | €24.8M | 125 | 60 | C+ |
| 10 | Globe Tex Apparel | €23.0M | 30 | 60 | C+ |
| 11 | MEC Electrical Contractors & Technologies Inc. | €18.9M | 125 | 60 | C+ |
| 12 | GUARINO'S SWIMMING POOL SERVICE INC | €18.9M | 125 | 60 | C+ |
| 13 | j&l cable services | €18.1M | 350 | 60 | C+ |
| 14 | iRacing.com | €16.1M | 125 | 60 | C+ |
| 15 | Adie Conway | €14.3M | 350 | 60 | C+ |
| 16 | Country Baskets | €12.2M | 30 | 60 | C+ |
| 17 | R&R Trophy & Awards, Inc | €12.2M | 30 | 60 | C+ |
| 18 | Moore’s Lumber Yards & Building Centers | €12.2M | 30 | 60 | C+ |
| 19 | Cueris, Inc. | €11.8M | 125 | 60 | C+ |
| 20 | PRO AV SYSTEMS, INC. | €11.8M | 125 | 60 | C+ |
| 21 | MEC Team | €11.8M | 125 | 60 | C+ |
| 22 | Architectural Environments, Inc. | €11.8M | 30 | 60 | C+ |
| 23 | L'Hussier Insurance Agency | €11.0M | 30 | 60 | C+ |
| 24 | Atlantic Wallboard | €10.8M | 30 | 60 | C+ |
| 25 | NNI Inc | €9.4M | 30 | 50 | C |
| 26 | Ferreira Towing, Inc. | €8.2M | 30 | 50 | C |
| 27 | By Appointment Only, Inc. (BAO) | €7.6M | 350 | 50 | C |
| 28 | VJ Scientific, Inc. | €7.0M | 30 | 50 | C |
| 29 | FRX Innovations, Inc. - FRX Polymers, Inc. | €6.9M | 30 | 50 | C |
| 30 | assembly products inc | €6.8M | 30 | 50 | C |
| 31 | Alternative Care Providers | €6.7M | 125 | 50 | C |
| 32 | Chelmsford Animal Clinic | €6.3M | 30 | 50 | C |
| 33 | Think Business Finance | €6.3M | 30 | 50 | C |
| 34 | Octant Business Services LLC | €6.3M | 30 | 50 | C |
| 35 | Palmac Tool Company | €6.0M | 30 | 50 | C |
| 36 | chelmsford agway | €6.0M | 30 | 50 | C |
| 37 | howe surveying inc | €5.9M | 30 | 50 | C |
| 38 | Palm Manor Nursing Home Inc | €5.7M | 30 | 50 | C |
| 39 | Northeast Representatives | €5.7M | 30 | 50 | C |
| 40 | Dielectric Sciences | €5.7M | 30 | 50 | C |
| 41 | Big League Haircutters | €5.5M | 30 | 50 | C |
| 42 | yoong tong ii | €5.1M | 125 | 50 | C |
| 43 | SVH Software Inc | €5.1M | 30 | 50 | C |
| 44 | Seek Systems | €5.1M | 30 | 50 | C |
| 45 | IQ Associates & ELTMaestro | €5.1M | 30 | 50 | C |
| 46 | Aptis Communications | €5.1M | 30 | 50 | C |
| 47 | Avesha | €5.1M | 30 | 50 | C |
| 48 | Quick Heal Technologies America Inc. | €5.1M | 30 | 50 | C |
| 49 | Commonwealth Of Massachussetts | €5.1M | 30 | 50 | C |
| 50 | Vision Exceed | €5.1M | 30 | 50 | C |
| 51 | Boston Consulting Solutions Inc | €5.1M | 30 | 50 | C |
| 52 | Stoney Brook Counseling Ctr | €5.0M | 30 | 50 | C |
| 53 | harvard vanguard medical dental | €5.0M | 30 | 50 | C |
| 54 | Adapt Transition Services | €5.0M | 30 | 50 | C |
| 55 | Birchwood Construction Co | €4.5M | 30 | 50 | C |
| 56 | East Corp. Electrical Services | €4.5M | 30 | 50 | C |
| 57 | Taj Engineering | €4.5M | 30 | 50 | C |
| 58 | north bridge building products | €4.5M | 30 | 50 | C |
| 59 | kap electrical contractors corp | €4.5M | 30 | 50 | C |
| 60 | castle complements painting | €4.5M | 30 | 50 | C |
| 61 | Signorello Construction | €4.5M | 30 | 50 | C |
| 62 | MTC Mechanical & Electric Co | €4.5M | 30 | 50 | C |
| 63 | mtc mechancial & electrical co. inc | €4.5M | 30 | 50 | C |
| 64 | hancock building assoc inc | €4.5M | 30 | 50 | C |
| 65 | Old School Roofing | €4.5M | 30 | 50 | C |
| 66 | ken zaher trucking & excavating | €4.5M | 30 | 50 | C |
| 67 | zaher construction | €4.5M | 30 | 50 | C |
| 68 | Performance Building Company, Inc | €4.5M | 30 | 50 | C |
| 69 | Longarone Exteriors Inc | €4.5M | 30 | 50 | C |
| 70 | New England Trading | €4.5M | 30 | 50 | C |
| 71 | sensor solutions ltd | €3.7M | 30 | 50 | C |
| 72 | intronis msp solutions by barracuda | €3.5M | 125 | 50 | C |
| 73 | Patriot Technical | €3.5M | 30 | 50 | C |
| 74 | Insinc Corp | €3.5M | 30 | 50 | C |
| 75 | Chelmsford Fire Dept | €3.0M | 30 | 50 | C |
| 76 | Chelmsford Police Dept | €3.0M | 30 | 50 | C |
| 77 | Amdrodd Technologies Private Ltd | €2.8M | 30 | 50 | C |
| 78 | OptioSys Technologies | €2.8M | 30 | 50 | C |
| 79 | Seekkr | €2.8M | 30 | 50 | C |
| 80 | p church jewelers | €2.8M | 30 | 50 | C |
| 81 | r & r trophy & awards | €2.8M | 30 | 50 | C |
| 82 | b & r automotive parts | €2.8M | 30 | 50 | C |
| 83 | harrington wine & liquors, inc. | €2.8M | 30 | 50 | C |
| 84 | Kaidale Consulting | €2.7M | 30 | 50 | C |
| 85 | Essex Technology Inc | €2.7M | 30 | 50 | C |
| 86 | Brine Group | €2.6M | 30 | 50 | C |
| 87 | Premier Medical Staffing | €2.6M | 30 | 50 | C |
| 88 | kbg network consulting | €2.1M | 30 | 50 | C |
| 89 | Optical Analysis Corporation | €2.0M | 5 | 50 | C |
| 90 | Remco Flooring, Inc. | €2.0M | 5 | 50 | C |
| 91 | MillTown Plumbing, Heating, Air Conditioning, and Drain Cleaning | €2.0M | 30 | 50 | C |
| 92 | Briarcliff Management | €2.0M | 30 | 50 | C |
| 93 | Streamline Communities | €2.0M | 30 | 50 | C |
| 94 | Alpha Mechanical Services | €1.9M | 30 | 50 | C |
| 95 | MEC Companies | €1.9M | 30 | 50 | C |
| 96 | Griptiller LLC | €1.8M | 5 | 50 | C |
| 97 | James L Cooney Insurance Agcy | €1.8M | 5 | 50 | C |
| 98 | R.J. Wilson, Inc. | €1.8M | 5 | 50 | C |
| 99 | A C Car | €1.8M | 5 | 50 | C |
| 100 | J. R. Grady Company | €1.8M | 5 | 50 | C |