Schott North America, INC. Lighting and Imaging | Southbridge | 100–499 | ● ACTIVE |
Incom, INC. | Charlton | — | ● ACTIVE |
| OLOpco Laboratory, INC | Fitchburg | — | ● ACTIVE |
Stone Link Marble & Granite CORP | Worcester | — | ● ACTIVE |
United Lens Company, INC. | Southbridge | — | ● ACTIVE |
Washington Mills North Grafton, INC. | North Grafton | 20–99 | ● ACTIVE |
Saint-gobain Ceramics & Plastics, INC. | Worcester | — | ● ACTIVE |
| DCDauphinais Concrete, INC. | Douglas | — | ◇ UNVERIFIED |
| SGSaint Gobain Abrasives | Worcester | — | ◐ LIKELY ACTIVE |
| OROldcastle Retail INC | Oxford | — | ◇ UNVERIFIED |
International Ceramic Engineering, LLC | Worcester | — | ◐ LIKELY ACTIVE |
| AJAdolph Jandris & Sons INC | Gardner | 20–99 | ◐ LIKELY ACTIVE |
| CICoorstek, INC. | Worcester | — | ◐ LIKELY ACTIVE |
| RLRoofblok Limited | Gardner | — | ◐ LIKELY ACTIVE |
| SPSti Precast | Leominster | — | ◐ LIKELY ACTIVE |
| PAPrematech Advanced Ceramics | Worcester | — | ◐ LIKELY ACTIVE |
| WMWashington Mills Electro Minerals CORP | North Grafton | — | ◐ LIKELY ACTIVE |
| WWoon-tech | Whitinsville | — | ◐ LIKELY ACTIVE |
| 7L77 Leicester Street LLC | North Oxford | — | ◇ UNVERIFIED |
| AIAggregate Industries | Sutton | — | ◇ UNVERIFIED |
| AIAggregate Industries Concrete | Grafton | — | ◇ UNVERIFIED |
| BABullard Abrasive Products | Westborough | — | ◇ UNVERIFIED |
| CPChase Precast Div of Oldcastle | North Brookfield | — | ◇ UNVERIFIED |
| DCDauphinais Concrete INC | Charlton | — | ◇ UNVERIFIED |
| DCDean Column Incorporated | Fitchburg | — | ◇ UNVERIFIED |
| FCFiberoptic Components INC | Sterling | — | ◇ UNVERIFIED |
| GCGraves Concrete | East Templeton | — | ◇ UNVERIFIED |
| IFIncom Fiberoptics | Charlton | — | ◇ UNVERIFIED |
| OFOfs Fitel-sturbridge | Sturbridge | — | ◇ UNVERIFIED |
| OFOfs (optical Fiber Solutions) | Sturbridge | — | ◇ UNVERIFIED |
| RPR.j. Paquette Concrete | Holden | — | ◇ UNVERIFIED |
| RCRosenfeld Concrete CORP | Hopedale | — | ◇ UNVERIFIED |
| SGSaint Gobain Containers | Milford | — | ◇ UNVERIFIED |
| SGSaint Gobain High Performance Materials | Northborough | — | ◇ UNVERIFIED |
| SIS I Howard Glass CO. INC. | Worcester | — | ◇ UNVERIFIED |
| SCSterling Concrete CORP | Sterling | — | ◇ UNVERIFIED |
| TRTantasqua Regional Hs | Fiskdale | — | ◇ UNVERIFIED |
| VOVerrillon Optical Fiber Facility | Grafton (north Grafton) | — | ◇ UNVERIFIED |
| VVita-crete | Milford | — | ◇ UNVERIFIED |
| WJW J Graves Construction CO | Templeton | — | ◇ UNVERIFIED |
| AOAPG Oxford | Oxford | 20–99 | ◐ LIKELY ACTIVE |
| CICoorsTek Inc. Worcester | Worcester | 100–499 | ◐ LIKELY ACTIVE |
| DADarmann Abrasive Products | Clinton | 20–99 | ◐ LIKELY ACTIVE |
| HGHMI Glass Whitinsville | Whitinsville | 20–99 | ◐ LIKELY ACTIVE |
| IRIncom, Rte 169 | Charlton | 100–499 | ◐ LIKELY ACTIVE |
International Ceramic Engineering LLC | Lancaster | 20–99 | ◐ LIKELY ACTIVE |
International Ceramic Engineering, LLC | Lancaster | — | ◐ LIKELY ACTIVE |
| LLLightera, LLC. | Sturbridge | 20–99 | ◐ LIKELY ACTIVE |
| RHRagged Hill, Inc. d/b/a Graves Concrete | East Templeton | 20–99 | ◐ LIKELY ACTIVE |
| SBSaint-Gobain Bonded Abrasives | Worcester | 100–499 | ◐ LIKELY ACTIVE |