The Metaverse landscape is still evolving, with many established crypto companies actively involved. Here's a glimpse into some prominent players:

Gaming-Focused Metaverses:

Decentraland (MANA): A virtual world powered by the Ethereum blockchain where users can buy land, create experiences, and interact with others.
The Sandbox (SAND): Another Ethereum-based Metaverse where users can build voxel-based worlds, create NFTs (non-fungible tokens), and participate in a gaming experience.
Axie Infinity (AXS): A popular play-to-earn game with a strong community. Players breed, raise, and battle cute creatures called Axies, earning tokens along the way.

Social and Decentralized Metaverses:

Meta (META): Formerly Facebook, this tech giant is heavily invested in building a robust Metaverse experience, focusing on social interaction and potentially integrating with their existing platforms.
Microsoft (MSFT): Developing Mesh, a platform for collaborative experiences in virtual reality, potentially bridging the gap between the physical and digital worlds.
Roblox (RBLX): A popular online gaming platform for children and teenagers, already considered a proto-Metaverse due to its social and interactive elements.

Blockchain Infrastructure and Interoperability:

The Sandbox (SAND): While also featuring a gaming Metaverse, The Sandbox is actively developing tools for creators and fostering an open Metaverse ecosystem.
Polygon (MATIC): A scaling solution for the Ethereum blockchain aiming to address issues like transaction speed and fees, potentially enabling smoother functioning of Metaverse applications.
Theta Network (THETA): A decentralized video streaming platform that could play a role in delivering content and media experiences within the Metaverse.

Disclaimer: This list is not exhaustive and does not constitute financial advice. It's crucial to conduct your own research before making any investment decisions related to cryptocurrency or Metaverse projects.

Additional Considerations:

Focus Areas: Different companies are approaching the Metaverse from various angles. Some prioritize gaming, while others focus on social interaction or infrastructure development.
Emerging Players: New startups and projects are constantly entering the Metaverse space. Stay updated on the latest developments to discover potential opportunities.

The Metaverse is a dynamic environment, and the list of companies involved is likely to grow and evolve. By following industry news and conducting your own research, you can stay informed about the crypto companies shaping the future of this virtual landscape.