Covia Holdings Corp formerly Unimin Corp is a provider of minerals and material solutions for the industrial and energy markets. The Company provides diversified mineral solutions to the glass ceramics coatings polymers construction water filtration sports and recreation markets. The Company also offers a range of products including high-purity silica sand nepheline syenite feldspar clay kaolin lime resin systems and coated materials. The Company offers a selection of proppant solutions additives and coated products. Its proppants solution includes proppants proppant transport technology diverting agents and activators. Its sand and resin solutions include high-purity sand such as wedron silica lake sand and subangular silica sand and gravel; TechniSand resin-coated sand which includes TechniSand TruCoat resin-coated sand and Technisand Signature sand; and resin systems. It offers various types of sand products for sports and recreation activities. コビア・ホ―ルディングスは米国の金属採掘持株会社。子会社を通じて、鉄分の低い霞石閃長岩を採掘し、ガラスやセラミックス、塗料、プラスチックに利用される。また、石油や天然ガス回収のための石英プロペントを提供する。同社顧客には農業、建設、環境、スポ―ツ関連の業界を含む。本社所在地はコネチカット州ニュ―カナン。 Covia Holdings Corp. engages in the provision of diversified mineral-based and material solutions. It operates through the following segments: Energy and Industrial. The Energy segment offers the oil and gas industry a comprehensive portfolio of raw frac sand, value-added-proppants, well-cementing additives, gravel-packing media and drilling mud additives. The Industrial segment provides raw, value-added and custom-blended products to the glass, ceramics, metals, coatings, polymers, construction, foundry, filtration, sports and recreation and various other industries. The company was founded on June 1, 2018 and is headquartered in Chesterland, OH.