Tanning is the biggest industry in Unnao. Unnao is known for its leather industry and leather goods. Superhouse Group, Mirza Tanners, Rahman Exports, and Zamzam Tanners, Mahavir Spinfab Pvt. Ltd., Parash Nathtech Garments Pvt. Ltd., Real enterprises (part of Baqai exports Gujarat) in large factories in Unnao. Banthar Leather Technology Park, Magarwara Industrial area and Unnao Industrial area developed by UPSIDC are major industrial suburbs of Unnao.