Cps Technologies CORP. | Norton | MA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
| HCHi-Way Concrete Products Co. Inc. | Wareham | MA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ● ACTIVE |
Incom, INC. | Charlton | MA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ● ACTIVE |
| OLOpco Laboratory, INC | Fitchburg | MA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ● ACTIVE |
Patriot Armored Systems LLC | Lee | MA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
| PGPlymouth Grating Laboratory, INC. | Carver | MA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
Schott North America, INC. Lighting and Imaging | Southbridge | MA | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Shea Concrete Products, INC. | Amesbury | MA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
Sound Seal, INC. | Agawam | MA | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ● ACTIVE |
| SHStiles & Hart Brick CO | Bridgewater | MA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
United Lens Company, INC. | Southbridge | MA | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ● ACTIVE |
Washington Mills North Grafton, INC. | North Grafton | MA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ● ACTIVE |
Greener Blast Technologies, INC. | Tyngsboro | MA | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
Poly6 Technologies, INC. | Burlington | MA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
Sublime Systems, INC. | Somerville | MA | Nonmetallic Mineral Product Manufacturing327310 | 100-499 | ● ACTIVE |
Aeroshield Materials INC | Waltham | MA | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Fourier LLC | Burlington | MA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
International Ceramic Engineering, LLC | Lancaster | MA | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
Saint-gobain Ceramics & Plastics, INC. | Worcester | MA | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
| SBStones By Crowne, INC. | Peabody | MA | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |