ELF Shimmer Eyeliner Pencil - Black Bandit
Sephora Nano Eye Pencil - Midnight Black
Avon Ultra Luxury Eyeliner - Black
Models Prefer Eyeliner - Onyx
Avon Glimmersticks - Blackest Black
Covergirl LiquiLine Blast - Black Fire
The individual swatch of Covergirl's Liquiline Blast didn't turn out well, so here is a better photo next to UD's 24/7 Pencil. I find them extremely similar in texture and color.