Some of the top Bitcoin IRA providers are:

iTrustCapital: Offers low fees and access to over 30 cryptocurrencies.

BitcoinIRA: Provides access to 60+ cryptocurrencies, with a higher fee structure.

BitIRA: Focuses on security with a smaller selection of cryptos.

Coin IRA: Charges 1.25% buy fee and 1% sell fee.

Swan Bitcoin: Specializes in Bitcoin with low annual fees.

Each has unique features, so choose based on your needs and consult with a financial advisor.