Many ECS systems only accept nautical chart data in proprietary formats. However, the partial list is of manufacturers listed below are those who are believed to have ECS systems able to accept data in standard S-63:

• e-MLX Co. Ltd.
• Japan Radio Co.
• JSC "Marine Bridge & Navigation Systems"
• Kongsberg Maritime Ships Systems
• Offshore Systems Ltd
• SevenCs
• Sodena
• TRANSAS
• Tresco Engineering
• CherSoft Ltd.
• Contego as
• Dolphin Maritime Software Ltd
• Global Navigation Software Company
• ICAN - International Communications and Navigation Limited
• Navicon A/S
• Periskal Groupe
• Terra Vision Pty Ltd
• Tridentnav Systems HB