Transak is a global web3 infrastructure services provider specializing in fiat-to-crypto payment gateway solutions. The company offers a developer integration toolkit that enables users to buy and sell cryptocurrencies using various payment methods, while ensuring compliance with local regulations. It was founded in 2019 and is based in New York, New York.

Ramp is focused on providing Web3 financial infrastructure within the cryptocurrency sector. It offers non-custodial services that enable users to buy and sell cryptocurrencies, facilitating the exchange between fiat currency and digital assets. Ramp's infrastructure supports businesses by integrating crypto onboarding tools, ensuring compliance, and providing a seamless user experience for transactions. It was founded in 2018 and is based in London, United Kingdom.

Mercuryo.io is a fintech company that operates in the financial services and cryptocurrency sectors. The company offers a range of services including payment processing, fiat and crypto exchange, and compliance regulation, all accessible through a single API integration. It primarily serves businesses in the global financial and cryptocurrency industries. It was founded in 2018 and is based in Tallinn, Estonia.

TransFi develops a payment platform for the purchase of digital assets and nonfungible tokens (NFTs). The company's main service involves providing fiat-to-crypto ramps, allowing users to easily buy and sell cryptocurrency using their local currency and banking or e-wallet services. It was founded in 2022 and is based in Tampa, Florida.

Guardarian specializes in virtual currency services within the financial sector, offering a platform for fiat-to-crypto and crypto-to-fiat transactions. The company provides a suite of products including cryptocurrency onramp and off-ramp services, exchanges tailored for businesses, and integration solutions for partners through APIs and customizable widgets. Guardarian primarily serves businesses looking for B2B exchange and crypto payment solutions. It was founded in 2018 and is based in Tallinn, Estonia.

Alpine labs provides on-ramp/off-ramp services for emerging markets including India. It operates as a Web3 payment platform that makes it easy to go from INR to crypto. It was founded in 2022 and is based in Mumbai, India.