Not well-known outside Germany, but there are some quality producers here.
Toni JOST/HAHNENHOF
2018 (Bacharach) Im Hahn Riesling GG
Mineral nose and mouth, good freshness, yellow peach skin fruit. 92/A
LANIUS-KNAB
2018 (Engehöll) Am Lauerbaum Riesling GG
Perfumed nose, medium-light, a touch of heat, white fruits. 89/B
2018 (Oberwesel) Oelsberg Riesling GG
Spicy, exotic fruit, a little heat, medium-weight. 88/B-
Matthias MÜLLER
2018 (Boppard) An der Rabenlei Riesling GG
Yellow fruits, good freshness. Not terribly complex, but satisfying. 91/A-
RATZENBERGER
2018 (Steeg) St. Jost Riesling GG
Moderate acidity, yellow fruits, round. Simple, but some pleasure. 89/B
2018 (Bacharach) Wolfshöhle Riesling GG
White fruits, especially pear, round, smooth, but one-dimensional. 89/B