U.K. Materials Big Green Snowflakes

Sylvania Platinum

Market Cap: UK£217.4m

Operates as a producer of platinum group metals including platinum, palladium, and rhodium, and chrome in South Africa.

Fresnillo

Market Cap: UK£18.8b

Fresnillo plc mines, develops, and produces non-ferrous minerals in Mexico.

Pan African Resources

Market Cap: UK£2.0b

Engages in the mining, extraction, production, and sale of gold in South Africa.

Serabi Gold

Market Cap: UK£198.4m

Engages in the evaluation, exploration, and development of gold and other metals mining projects in Brazil.

Capital

Market Cap: UK£229.1m

Provides drilling, mining, mineral assaying, and surveying services.

AltynGold

Market Cap: UK£234.5m

Engages in the exploration and development of gold producing mine in the Republic of Kazakhstan.

Hochschild Mining

Market Cap: UK£2.3b

A precious metals company, engages in the exploration, mining, processing, and sale of gold and silver deposits.

Central Asia Metals

Market Cap: UK£251.5m

Operates as a base metals producer.

Steppe Cement

Market Cap: UK£48.2m

An investment holding company, produces and sells cement and clinkers in Kazakhstan.

Atalaya Mining Copper

Market Cap: UK£1.4b

Engages in the mineral exploration and development in Spain.

Hardide

Market Cap: UK£74.5m

Engages in the production of chemical vapour deposition (CVD) coatings in the United Kingdom, Europe, North America, and internationally.

Zotefoams

Market Cap: UK£233.1m

Manufactures, distributes, and sells foam materials in Europe, the Middle East, Africa, North America, and Asia.

RHI Magnesita

Market Cap: UK£1.4b

Develops, produces, sells, installs, and maintains refractory products and systems used in industrial high-temperature processes worldwide.

Castings

Market Cap: UK£135.2m

Engages in the iron casting and machining activities in the United Kingdom, Germany, Sweden, the Netherlands, rest of Europe, North and South America, and internationally.

Forterra

Market Cap: UK£277.4m

Provides building products made from clay and concrete for the construction sector in the United Kingdom.

Croda International

Market Cap: UK£4.1b

Engages in the consumer care, life science, and industrial specialty businesses in Europe, the Middle East, Africa, North America, Asia, and Latin America.

Goldplat

Market Cap: UK£31.8m

Operates as a mining services company in South Africa and Ghana.

Michelmersh Brick Holdings

Market Cap: UK£72.0m

Manufactures bricks and brick prefabricated products in the United Kingdom and Europe.

Elementis

Market Cap: UK£964.4m

Operates as a specialty chemical company in the United Kingdom, rest of Europe, North America, and internationally.

Breedon Group

Market Cap: UK£1.1b

Engages in the quarrying, manufacture, and sale of construction materials and building products in the Great Britain, Ireland, and the United States.

Robinson

Market Cap: UK£21.4m

Manufactures and sells plastic and paperboard packaging products in the United Kingdom, Poland, Denmark, Germany, Hungary, Belgium, and internationally.

Iofina

Market Cap: UK£111.3m

Explores for, develops, and produces iodine and halogen-based specialty chemical derivatives from oil and gas operations in North America, Asia, South America, Europe, and internationally.

Metals Exploration

Market Cap: UK£387.4m

Metals Exploration plc identifies, acquires, explores, and develops mining and processing properties in the United Kingdom, the Philippines, and Nicaragua.

Griffin Mining

Market Cap: UK£543.9m

A mining and investment company, engages in the mining, exploration, and development of mineral properties.

Johnson Matthey

Market Cap: UK£3.0b

Engages in the clean air, catalyst and hydrogen technology, and platinum group metals (PGM) service businesses in the United Kingdom, Germany, rest of Europe, the United States, rest of North America, China, rest of Asia, and internationally.

Cora Gold

Market Cap: UK£65.0m

Explores for and develops mineral projects in West Africa.

Chesterfield Resources

Market Cap: UK£2.0m

Engages in the exploration and development of precious and base metals in Canada.

Marshalls

Market Cap: UK£381.8m

Manufactures and sells landscape, building, and roofing products in the United Kingdom and internationally.

Kodal Minerals

Market Cap: UK£59.1m

Engages in the exploration and evaluation of mineral resources in West Africa.

Haydale

Market Cap: UK£20.6m

Through its subsidiaries, engages in the manufacturing and commercialization of plasma functionalized graphene-based heating and thermal products in United Kingdom, Europe, the United States, China, Thailand, South Korea, Japan, and internationally.

Antofagasta

Market Cap: UK£35.8b

Operates as a mining company.

SigmaRoc

Market Cap: UK£1.4b

Through its subsidiaries, invests, acquires, and integrates businesses in the quarried materials sector in the United Kingdom, Ireland, western Europe, Central Europe, and Nordics.

Hill & Smith

Market Cap: UK£2.4b

Manufactures and supplies infrastructure products in the United Kingdom, the rest of Europe, North America, the Middle East, the rest of Asia, and internationally.

Ecora Royalties

Market Cap: UK£336.6m

Operates as a natural resource royalty and streaming company in Australia, North and South America, Europe, and internationally.

Ibstock

Market Cap: UK£371.5m

Manufactures and sells clay and concrete building products and solutions to customers in the residential construction sector in the United Kingdom.

Petra Diamonds

Market Cap: UK£23.5m

Engages in the mining, processing, sorting, and sale of rough diamonds in South Africa and Tanzania.