Higher sequential volumes from Industrial customers and continued growth from non-Industrial portfolio drove 5% revenue growth and 6% gross profit growth compared to prior quarter Improved revenue and gross profit performance throughout the quarter Added a large franchisee in the quick-service restaurant industry in April, which launched in May IRVING, Texas, May 07, 2026 (GLOBE NEWSWIRE) -- Quest Resource Holding Corporation (Nasdaq: QRHC) ("Quest" or the "Company"), a national leader in environmental wast ...