Onyx Coffee Lab Onyx Coffee Lab Search | Advanced Search | New Members | Coupons and Discounts | All Categories Shopping & Specialty Retail >> Restaurants & Coffee Shops Onyx Coffee Lab 100 East EmmaSpringdale, AR 72764 | View on Google Maps Ms. Ashlee Dunahoo (479) 334-7613 Visit Site New Member Connect With Us Member Since: 2026 Send a message to: Onyx Coffee Lab Your Name: Your Email: Subject: Message: (Date: 3/19/2026)