| 1 | bit9 | €1.0B | 20,000 | 80 | A |
| 2 | Affectiva | €233.6M | 350 | 70 | B |
| 3 | PEGASYSTEMS INC. | €204.4M | -- | 80 | A |
| 4 | bentley university computer information systems (cis) department | €186.6M | 20,000 | 70 | B |
| 5 | Delaware Life Insurance Company, A Group 1001 Company | €128.6M | 350 | 70 | B |
| 6 | 6 River Systems | €96.0M | 350 | 60 | C+ |
| 7 | brandeis university school of arts and sciences | €85.8M | 750 | 60 | C+ |
| 8 | Surgi-Care Inc. | €85.6M | 350 | 60 | C+ |
| 9 | Whale Imaging Inc | €85.6M | 350 | 60 | C+ |
| 10 | OLYMPUS SCIENTIFIC SOLUTIONS AMERICAS | €81.9M | 350 | 60 | C+ |
| 11 | TECOGEN INC/WALTHAM MA | €74.0M | 125 | 60 | C+ |
| 12 | Redbend | €66.6M | 350 | 60 | C+ |
| 13 | PerkinElmer Informatics | €59.6M | 350 | 60 | C+ |
| 14 | Allego | €59.6M | 350 | 60 | C+ |
| 15 | waterfield technologies | €52.9M | 750 | 60 | C+ |
| 16 | Wavin North America, an Orbia business | €52.9M | 350 | 60 | C+ |
| 17 | toysmart.com | €51.0M | 125 | 60 | C+ |
| 18 | CorEvitas-Patient Experience | €50.4M | 350 | 60 | C+ |
| 19 | BioBridges | €50.4M | 350 | 60 | C+ |
| 20 | American Robotics | €45.0M | 125 | 60 | C+ |
| 21 | commonwealth wealth management | €44.9M | 750 | 60 | C+ |
| 22 | Massachusetts Adult Education Professional Development System | €40.1M | 350 | 60 | C+ |
| 23 | Massachusetts Maritime Academy Graduate Programs | €40.1M | 350 | 60 | C+ |
| 24 | gphomestay | €40.1M | 350 | 60 | C+ |
| 25 | National Grid Engineering & Survey, Inc. | €39.2M | 125 | 60 | C+ |
| 26 | Monte Nido Walden | €36.5M | 219 | 60 | C+ |
| 27 | Bioverativ, a Sanofi company | €36.4M | 350 | 60 | C+ |
| 28 | Carey Limousine Of Boston | €34.3M | 125 | 60 | C+ |
| 29 | Polaroid Corp. | €30.6M | 125 | 60 | C+ |
| 30 | CORINDUS, INC | €30.6M | 125 | 60 | C+ |
| 31 | IntelligentMDx | €30.6M | 125 | 60 | C+ |
| 32 | NanoEnTek, Inc. (USA) | €30.6M | 125 | 60 | C+ |
| 33 | Queen Screw & Mfg | €29.2M | 125 | 60 | C+ |
| 34 | Hughes Missile Systems Co | €29.2M | 125 | 60 | C+ |
| 35 | Nanostone Water | €28.2M | 125 | 60 | C+ |
| 36 | Edenred USA | €26.3M | 125 | 60 | C+ |
| 37 | Pro Teck Valuation Intelligence | €26.3M | 125 | 60 | C+ |
| 38 | Bay Financial Associates LLC | €26.3M | 125 | 60 | C+ |
| 39 | PCi Corporation | €26.3M | 125 | 60 | C+ |
| 40 | Edenred Benefits | €26.3M | 125 | 60 | C+ |
| 41 | g.e.t. secure id corp. (get group latam) | €24.7M | 350 | 60 | C+ |
| 42 | infinidat benelux | €24.7M | 350 | 60 | C+ |
| 43 | Circles North America | €23.8M | 350 | 60 | C+ |
| 44 | QUEEN SCREW AND MANUFACTURING, INC | €23.7M | 125 | 60 | C+ |
| 45 | Raytheon Aerospace | €23.7M | 125 | 60 | C+ |
| 46 | Waltham Philharmonic Orchestra | €23.2M | 125 | 60 | C+ |
| 47 | Bentley Investment Group | €21.9M | 125 | 60 | C+ |
| 48 | Nobl9 | €21.3M | 125 | 60 | C+ |
| 49 | OpenPages | €21.3M | 125 | 60 | C+ |
| 50 | FootPath, Inc. | €21.3M | 125 | 60 | C+ |
| 51 | Zixi | €21.3M | 125 | 60 | C+ |
| 52 | MPAY Inc | €21.3M | 125 | 60 | C+ |
| 53 | Idiom Technologies (acq. by SDL plc) | €21.3M | 125 | 60 | C+ |
| 54 | Commure Care & Commure Perform | €21.3M | 125 | 60 | C+ |
| 55 | Archivas | €21.3M | 125 | 60 | C+ |
| 56 | Demantra Inc | €21.3M | 125 | 60 | C+ |
| 57 | Cazena | €21.3M | 125 | 60 | C+ |
| 58 | Plataine | €21.3M | 125 | 60 | C+ |
| 59 | Green Point Mortgage | €21.3M | 125 | 60 | C+ |
| 60 | Integrated Computer Solutions, Inc. (ICS) | €21.3M | 125 | 60 | C+ |
| 61 | Passkey (now part of Cvent) | €21.3M | 125 | 60 | C+ |
| 62 | mainspring healthcare solutions an accruent company | €21.1M | 750 | 60 | C+ |
| 63 | boston advanced medicine, inc | €20.9M | 125 | 60 | C+ |
| 64 | Atlas Watersystems, Inc/H2O Care | €20.7M | 125 | 60 | C+ |
| 65 | Park Lodge Hotel Group | €20.5M | 125 | 60 | C+ |
| 66 | The Pro Group | €18.9M | 125 | 60 | C+ |
| 67 | VOIANT℠ | €18.9M | 350 | 60 | C+ |
| 68 | NEAHP (New England Association for Healthcare Philanthropy) | €18.9M | 350 | 60 | C+ |
| 69 | Genpro Research | €18.0M | 125 | 60 | C+ |
| 70 | Thea Pharma US | €18.0M | 125 | 60 | C+ |
| 71 | LLX Solutions LLC | €18.0M | 125 | 60 | C+ |
| 72 | Morphic Therapeutic | €18.0M | 125 | 60 | C+ |
| 73 | keds usa | €17.0M | 125 | 60 | C+ |
| 74 | Boston Gas Co. | €16.0M | 125 | 60 | C+ |
| 75 | LaVallee's Bakery | €15.3M | 30 | 60 | C+ |
| 76 | DSCI, a TelePacific company (now TPx Communications) | €14.6M | 125 | 60 | C+ |
| 77 | chateau restaurant of waltham, inc | €14.3M | 350 | 60 | C+ |
| 78 | student programs & engagement at bentley university | €14.3M | 125 | 60 | C+ |
| 79 | Gordon’s Fine Wine & Culinary Center | €14.3M | 125 | 60 | C+ |
| 80 | Bentley Health Thought Leadership Network | €14.3M | 125 | 60 | C+ |
| 81 | The Angela Wilkins Program of Graduate Studies in Education | €14.3M | 125 | 60 | C+ |
| 82 | The Heller School for Social Policy and Management at Brandeis University | €14.3M | 125 | 60 | C+ |
| 83 | electude | €14.3M | 125 | 60 | C+ |
| 84 | Brandeis University MRSEC | €14.3M | 125 | 60 | C+ |
| 85 | pizzi farm market, deli & ice cream shoppe | €13.8M | -- | 60 | C+ |
| 86 | ampm facility services | €13.6M | 750 | 60 | C+ |
| 87 | mac-gray services, a member of the csc serviceworks family of companies | €13.6M | 750 | 60 | C+ |
| 88 | Dyne Therapeutics | €13.0M | 125 | 60 | C+ |
| 89 | Waltham Police Dept | €12.6M | 125 | 60 | C+ |
| 90 | Brandeis University Escort Safety Service (Shuttle Service) | €12.6M | 125 | 60 | C+ |
| 91 | Hanssem Corp | €12.4M | 30 | 60 | C+ |
| 92 | Gourley Company | €12.4M | 30 | 60 | C+ |
| 93 | Johnstone Supply - Parker Global, Inc. | €12.4M | 30 | 60 | C+ |
| 94 | Driven Inventory | €12.4M | 30 | 60 | C+ |
| 95 | Party Needs Inc | €12.2M | 30 | 60 | C+ |
| 96 | YOUNG CHANG CO., LTD | €12.2M | 30 | 60 | C+ |
| 97 | Exline Global Logistics | €12.2M | 30 | 60 | C+ |
| 98 | Re-Stream | €12.2M | 30 | 60 | C+ |
| 99 | Relocate Moving Company | €12.2M | 30 | 60 | C+ |
| 100 | destefano bakery | €12.2M | 30 | 60 | C+ |