There are many providers of endpoint security solutions, some of the most well-known include:

1. McAfee: McAfee offers a range of endpoint security solutions, including antivirus and antimalware software, firewall, and encryption.
2. Symantec: Symantec offers endpoint security solutions that include antivirus and antimalware software, firewall, encryption, and user education and training.
3. Kaspersky: Kaspersky offers a comprehensive endpoint security solution that includes antivirus and antimalware software, firewall, and threat detection and response capabilities.
4. Trend Micro: Trend Micro offers a range of endpoint security solutions, including antivirus and antimalware software, firewall, encryption, and user education and training.
5. Sophos: Sophos offers a comprehensive endpoint security solution that includes antivirus and antimalware software, firewall, encryption, and network segmentation.
6. ESET: ESET offers a range of endpoint security solutions, including antivirus and antimalware software, firewall, encryption, and threat detection and response capabilities.
7. Microsoft: Microsoft offers a range of endpoint security solutions, including antivirus and antimalware software, firewall, encryption, and user education and training.

Each provider has its own strengths and weaknesses, and the best solution for a given organization will depend on its specific security needs and requirements. It’s important to carefully evaluate each solution and compare it to others before making a decision. Factors to consider include the level of protection offered, ease of use, cost, and compatibility with existing systems and processes.