UNIVERSAL MINERALS INTERNATIONAL INC

Concrete Block and Brick Manufacturing

This includes establishments primarily engaged in manufacturing concrete block and brick.

Other Concrete Product Manufacturing

Establishments in this category are primarly engaged in manufacturing concrete products (except block, brick, and pipe).

Ground or Treated Mineral and Earth Manufacturing

This includes establishments primarily engaged in calcining, dead burning, or otherwise processing beyond beneficiation, clays, ceramic and refractory minerals, barite, and miscellaneous nonmetallic minerals.

All Other Miscellaneous Nonmetallic Mineral Product Manufacturing

This includes establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories; glass and glass products; cement; ready-mix concrete; concrete products; lime; gypsum products; abrasive products; cut stone and stone products; ground and treated minerals and earth; and mineral wool).

Illustrative Examples:

Dry mix concrete manufacturing
Mica products manufacturing
Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
Stucco and stucco products manufacturing
Synthetic stones, for gem stones and industrial use, manufacturing