| WFWood Fabricators | Billerica | MA | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| AIASM-NEXX, Inc. | Billerica | MA | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| AIASMPT-AEi. Inc. | Billerica | MA | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| B1Bld 1 | Billerica | MA | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| CBChemGenes, Billerica | Billerica | MA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ILIntegra LifeSciences - Billerica | Billerica | MA | Miscellaneous Manufacturing339113 | 20-99 | ◐ LIKELY ACTIVE |
| MBMarkforged - BI | Billerica | MA | Machinery Manufacturing333244 | 20-99 | ◐ LIKELY ACTIVE |
| MPMettler-toledo Process Analytics, INC. | Billerica | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| OSONN Specialties, Inc. | Billerica | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SCSMTC Corporation Bil | Billerica | MA | Computer and Electronic Product Manufacturing334418 | 20-99 | ◐ LIKELY ACTIVE |
| APApeloa Pharma Solutions CO | Billerica | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ABAti Billerica Operations | Billerica | MA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BWBillerica Water Treatment Plant | Billerica | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Boston Semi Equipment | Billerica | MA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| CIClearmotion INC | Billerica | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CMCrosstek Membrane Technology LLC | Billerica | MA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DED&d Electrical Contractors, INC. | Billerica | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| ERElectro Rent CORP | Billerica | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| FCFesto Corporation | Billerica | MA | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| NSNutcracker Snacks INC | Billerica | MA | Food Manufacturing311911 | — | ◇ UNVERIFIED |
| PKPetty King Brewing Company LLC | Billerica | MA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| STSolchroma Technologies INC | Billerica | MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SSpincraft | Billerica | MA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
