Minerals Technologies Inc.’s Minteq International Inc. facilities throughout the world, which manufacture refractories, calcium wire, and laser measuring devices, have attained ISO 9001 registration.

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| Cored Wire / Calcium Metal | 
| Netherlands | 
| Hengelo | | 
| United States | 
| Canaan, CT | Monolithic Refractory Systems | 
| Ireland | 
| Cork | | 
| South Africa | 
| Pietermaritzburg | | | Spain | | Santander | | | Turkey | | Gebze | | | Turkey | | Kuthaya | | 
| United Kingdom | 
| Rotherham | | 
| United States | 
| Bryan, OH | | 
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| Dover, OH | | 
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| Old Bridge, NJ | | 
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| Slippery Rock, PA | | 
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| Portage, IN | | 
| Mexico | 
| Gomes Palacio | Laser Measuring Technology | 
| Germany | 
| Duisburg | | 
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| Moers |
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If you would like a copy of the ISO registration certificate for a particular location, please Contact Us.