ES Stereo components existed until very recently. I have a TA-A1ES integrated amplifier that I got back in 2016. I believe it was discontinued in 2021. It sounds absolutely superb and is one of my favorite pieces of gear ever. Also have the companion HAP-Z1ES media player. Also have the MDR-Z7 headphones which were introduced around the same time though not ES branded.
Their current push is portable/personal audio with the Signature Series, consisting of Hi-Res Walkman players, high end cans/IEMs, and the SA-Z1, which are insane looking active near field monitors.
Their last real push into stereo was in 2014-2016 with the components I own plus they had companion AR/ES speakers. Not sure if those are still in production.
Their ES surround receivers are excellent for the price. I owned a ZA5000ES from the last series for about 5 years and it sounded great compared to the Marantz it replaced — just not really intended for high end stereo reproduction.
Salamander Designs