Surah Al-Balad 90:18
أُو۟لَـٰٓئِكَ أَصْحَـٰبُ ٱلْمَيْمَنَةِ
Those are the companions of the right.
Translation: Saheeh International
Tafsir
Those the ones described by the said attributes are the ones of the right side al-maymana means al-yamīn.
Excerpt from Tafsir al-Jalalayn, commentary on 90:18, via Quran.com. The reader has the full commentary and 9 more tafsirs.