Source: The Great Interpretation of Dreams (Ibn Sirin)
Seeing the Companions (RA) in a dream indicates following the Sunnah, intimacy, love, and strength in religion.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Seeing the Companions indicates goodness, blessing, and victory over enemies.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Seeing the Companions is interpreted as great goodness. Whoever sees them will attain goodness.