| ADAnalog Devices | Cambridge | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| ADAnalog Devices INC | Wilmington | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| ALArk Les Corporation | Stoughton | MA | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| AIAugat INC | Mashpee | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| AIAugat Interconnection Systems | Attleboro | MA | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| AEAvaya Enterprise Communications Systems | Billerica | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| BSBay State Circuits | Millbury | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| BBionostics | Ayer | MA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| BCBose CORP | Framingham | MA | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| BEBrookfield Engineering Laboratories INC | Middleborough | MA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| BHBull Hn Information Systems INC | Brighton | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| CDCampanelli Development LLC | Boxborough | MA | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| CCCgi Circuits | Taunton | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CCChelsea Clock Company | Chelsea | MA | Computer and Electronic Product Manufacturing334518 | — | ◇ UNVERIFIED |
| CBCircuit Board Express | Haverhill | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CTCircuit Test Incorporated | Haverhill | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| CSCisco Systems INC | Boxborough | MA | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| CCC&k Components | Newton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CCCodex CORP | Mansfield | MA | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| CSCommonwealth Sprague Capacitor Incorporated | N Adams | MA | Computer and Electronic Product Manufacturing334414 | — | ◇ UNVERIFIED |
| CCCopley Controls | Canton | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CBCoppola Bus CO. | Haverhill | MA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| CICorning Intellisense | Wilmington | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| CICpc Incorporated | Randolph | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CWCurtiss Wright Controls | Littleton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CCCurtiss-wright Controls Embedded Computing | Littleton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| D1Digital 128 First Avenue LLC | Needham | MA | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| DEDigital Equipment | Westfield | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| DEDigital Equipment Company | Hudson | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
Doble Engineering Company | Watertown | MA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| ECEcc Corporation | Holden (jefferson) | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| ECElectro Circuits Incorporated | Lowell | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EEmc | Westborough | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ECEmc CORP | Southborough | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ECEmc Corporation | Franklin | MA | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| EMEmd Millipore CORP | Taunton | MA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| ESEnergy Sciences INC | Wilmington | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ESEnterprise Solutions | Bedford | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| EIEpec Incorporated | New Bedford | MA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| EIEquity Industrial Gheb LLP | East Bridgewater | MA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| EREs Ritchie & Sons | Pembroke | MA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| FEFenwal Electronics Incorported | Milford | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| FSFenwal Safety Systems | Marlborough | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| FPFisher Pierce | Weymouth | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| FFFuji Film Recording Media Mfg | Bedford | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| GPGermanium Power Devices CORP | Andover | MA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HPHewlett Packard CORP | Andover | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| HIHologic INC | Bedford | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| HSHoneywell Sensing and Control | Acton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HDHowland Developement Corporation | Gloucester | MA | Computer and Electronic Product Manufacturing334411 | — | ◇ UNVERIFIED |