New York Mercantile Exchange

Amercanex is a US-based cannabis commodity exchange headquartered in Denver, Colorado, designed to facilitate transparent wholesale trading of legal cannabis products between licensed growers, processors, and dispensaries. As one of the world's first regulated cannabis commodity exchanges, Amercanex aims to standardise pricing and improve supply-chain efficiency across state-legal cannabis markets.

Flett Exchange was a New Jersey-based electronic exchange for environmental commodity credits, established around 2004. Flett specialised in US environmental market instruments including NOx (nitrogen oxide) allowances under the EPA SIP Call, SO2 (sulphur dioxide) allowances under the Acid Rain Program, Regional Greenhouse Gas Initiative (RGGI) carbon allowances, and Renewable Energy Certificates (RECs). The exchange served power generators, utilities, and compliance buyers navigating the complex US state and federal cap-and-trade regulatory frameworks for air emissions.

The Brazilian Mercantile and Futures Exchange (BM&F) was one of the world's largest derivatives exchanges, founded in São Paulo in 1983. In 2008, BM&F merged with the São Paulo Stock Exchange (Bovespa) to form BM&FBOVESPA. In 2017, it merged again with CETIP to create B3 (Brasil, Bolsa, Balcão) — now Latin America's largest financial exchange group by market capitalisation. B3 continues to operate commodity derivatives including sugar, arabica coffee, live cattle, ethanol, and gold contracts.

The Sioux City Grain Exchange (SCGX) is a local cash grain market based in Sioux City, Iowa, serving the Northwestern Iowa and surrounding tri-state agricultural region. As a traditional open-outcry grain exchange, it historically provided price discovery and merchandising services for corn, soybeans, and wheat. The exchange represents one of the regional grain markets that predates the consolidation of US grain pricing into national futures exchanges such as CME Group's CBOT.