Absolute Metal Finishing, INC. | Norwood | — | ● ACTIVE |
Algonquin Industries INC | Bellingham | — | ● ACTIVE |
Alpha Grainger Mfg INC | Franklin | 100–499 | ● ACTIVE |
Antron Engineering & Machine CO INC | Bellingham | — | ● ACTIVE |
B.e. Peterson, INC. | Avon | 20–99 | ● ACTIVE |
F. H. Peterson Machine Corporation | Stoughton | 20–99 | ● ACTIVE |
Eagle Stainless Tube & Fabrication, INC. | Franklin | — | ● ACTIVE |
Electronic Sheetmetal Craftsmen, INC. | Stoughton | — | ● ACTIVE |
Graycer Screw Products Co., INC. | Bellingham | — | ● ACTIVE |
Hi-tech Metals, INC. | Bellingham | — | ● ACTIVE |
Mica-tron Products CORP | Holbrook | — | ● ACTIVE |
| PUPlansee USA LLC | Franklin | 100–499 | ● ACTIVE |
River St. Metal Finishing, INC. | Braintree | — | ● ACTIVE |
Rj Merrell, INC. | Avon | — | ● ACTIVE |
Wrobel Engineering CO. INC. | Avon | 20–99 | ● ACTIVE |
| AIAccurounds, INC. | Avon | — | ● ACTIVE |
| BPBird-johnson Propeller Company, LLC | Walpole | 100–499 | ● ACTIVE |
Franklin Sheet Metal, LLC | Franklin | — | ● ACTIVE |
| GIGordon Industries INC | Randolph | — | ● ACTIVE |
Hope, INC. | Needham Heights | — | ● ACTIVE |
Machine Incorporated | Stoughton | — | ● ACTIVE |
Manning Way Capital Partners LLC | Bellingham | — | ● ACTIVE |
| PMPearson Machine Company LLC | Stoughton | — | ● ACTIVE |
Semco Machine Corporation | Plainville | — | ● ACTIVE |
Semiconductor Engineering Products LLC | Wrentham | — | ● ACTIVE |
Sx Industries, INC | Stoughton | — | ● ACTIVE |
Villa Machine Associates, INC. | Dedham | — | ● ACTIVE |
| MCMedical Component Specialists INC | Bellingham | — | ◐ LIKELY ACTIVE |
| NENew England Metalform INC | Plainville | 20–99 | ◐ LIKELY ACTIVE |
| CACapstan Atlantic | Wrentham | — | ◇ UNVERIFIED |
| AMAccurate Metal Finishing INC | Randolph | — | ◇ UNVERIFIED |
| FEFeeleys Enameling CO INC | Quincy | — | ◇ UNVERIFIED |
| SSSouth Shore Plating Company Incorporated | Quincy | — | ◇ UNVERIFIED |
| IMIndustrial Metal Products CO | Sharon | 20–99 | ◐ LIKELY ACTIVE |
| KIKampersal, INC. | Dedham | — | ◐ LIKELY ACTIVE |
| MIMicrogroup INC | Medway | — | ◐ LIKELY ACTIVE |
| PEPayne Engineering & Fabrication Co., INC. | Canton | — | ◐ LIKELY ACTIVE |
| RMRolls-royce Marine North America INC. | Walpole | 100–499 | ◐ LIKELY ACTIVE |
| UEUltra Electronics Ocean Systems INC. | Braintree | — | ◐ LIKELY ACTIVE |
| AMAbsolute Metal Finishing INC | Norwood | — | ◐ LIKELY ACTIVE |
| PFPrecision Fabricators LTD. LLC | Stoughton | — | ◐ LIKELY ACTIVE |
| SASenior Aerospace Metal Bellows | Sharon, Town of | — | ◐ LIKELY ACTIVE |
| AIAgm Industries Incorporated | Canton | — | ◇ UNVERIFIED |
| AFAlcoa Fastening Systems | Stoughton | — | ◇ UNVERIFIED |
| AMAmerican Manufacturing | Avon | — | ◇ UNVERIFIED |
| BTBoston Trailer Manufacturing Company | Walpole | — | ◇ UNVERIFIED |
| BSBraman Screw Machine | Millis | — | ◇ UNVERIFIED |
| CDChelsea Drum Company | Franklin | — | ◇ UNVERIFIED |
| CSCommercial Sheet Metal | Canton | — | ◇ UNVERIFIED |
| CVCrosby Valve & Gage CO | Wrentham | — | ◇ UNVERIFIED |