CleanSpark, Inc. operates as a bitcoin miner in the Americas. It owns and operates data centers that primarily run on low-carbon power. Its infrastructure supports Bitcoin, a digital commodity and a tool for financial independence and inclusion. The company was formerly known as Stratean Inc. and changed its name to CleanSpark, Inc. in November 2016. CleanSpark, Inc. was incorporated in 1987 and is headquartered in Henderson, Nevada.

TeraWulf Inc., together with its subsidiaries, operates as a digital asset technology company in the United States. The company develops, owns, and operates bitcoin mining facilities in New York and Pennsylvania. It is also involved in the provision of miner hosting services to third-party entities. The company was founded in 2021 and is headquartered in Easton, Maryland.

Mercurity Fintech Holding Inc. operates as a fintech company. The company offers business consultation services; distributed storage and computing services business includes cryptocurrency mining, which provides computing power to the mining pool; and cloud storage services for other decentralized platform operators. The company was formerly known as JMU Limited and changed its name to Mercurity Fintech Holding Inc. in April 2020. Mercurity Fintech Holding Inc. was incorporated in 2011 and is headquartered in New York, New York.

Bit Digital, Inc., together with its subsidiaries, engages in the bitcoin mining business. It is also involved in the treasury management activities; and digital asset staking and digital asset mining businesses, as well as ethereum staking activities. In addition, it provides specialized cloud-infrastructure services for artificial intelligence applications. The company was formerly known as Golden Bull Limited and changed its name to Bit Digital, Inc. in September 2020. Bit Digital, Inc. was founded in 2015 and is headquartered in New York, New York.

Abits Group Inc. operates in the bitcoin mining business in the United States. The company was formerly known as Moxian (BVI) Inc and changed its name to Abits Group Inc. in November 2023. Abits Group Inc. was incorporated in 2021 and is based in Causeway Bay, Hong Kong.

Stronghold Digital Mining, Inc., a crypto asset mining company, focuses on Bitcoin mining in the United States. It operates in two segments, Energy Operations and Cryptocurrency Operations. It also owns and operates coal refuse power generation facilities; and provides environmental remediation and reclamation services. The company was incorporated in 2021 and is headquartered in New York, New York.

BTC Digital Ltd. a crypto asset technology company engages in bitcoin mining business. It is also involved in mining machines resale and rental business. The company was formerly known as Meten Holding Group Ltd. and changed its name to BTC Digital Ltd. in August 2023. The company was founded in 2006 and is headquartered in Shenzhen, China.

Bit Origin Ltd, through its subsidiaries, engages in the cryptocurrency mining business in the United States. It is also involved in deploying blockchain technologies. The company was formerly known as China Xiangtai Food Co., Ltd. and changed its name to Bit Origin Ltd in April 2022. Bit Origin Ltd was incorporated in 2018 and is based in Singapore, Singapore.