 One of Asia's largest Common Effluent Treatment Plant (CETP) is present in Vapi, owned by Vapi Waste & Effluent Management Company and promoted by Vapi Industrial Association.Over 10,716 units of small and medium enterprises (SMEs), involved in different sectors, such as chemicals, textiles, engineering, and paper industry, are present in the district.Several private conglomerates are present in Valsad, such as Alok Industries Ltd., Wyeth, Welspun India Ltd. Hubergroup India Private Limited (formerly Micro Inks Ltd.), Meril Group of companies (Meril Life Sciences Pvt.