The answer to the crossword question “Big name in dry-erase markers” is EXPO. EXPO is a well-known brand that produces high-quality dry-erase markers that are widely used in offices, schools, and homes. These markers are known for their vibrant colors, easy-to-erase ink, and long-lasting performance. EXPO offers a wide range of dry-erase markers, including fine-tip, chisel-tip, and bullet-tip markers, as well as specialty markers for specific applications. Overall, EXPO is a trusted and reliable brand that has become synonymous with dry-erase markers.