शहर के अनुसार
Universal Research Laboratory Servicesजल परीक्षण प्रयोगशालाGround Floor, Raj Market, Deva Road Ganeshpur, Rehmanpur, opp. Hotel Ayushman Grand/Allahabad Public School, लखनऊसोम–शनि 9:30 AM–6:30 PMवेबसाइटZen Sustainablesपर्यावरण सलाहकारA-3, लखनऊसोम–शनि 10 AM–7 PMवेबसाइटAquatech water solutionsजल शोधन संयंत्रH. No 529D-P/094 near Saint Daniel school Adil nagar, लखनऊसोम–गुरु 24 घंटे खुलारविEnviro Tech Services Pvt Ltdजल परीक्षण प्रयोगशालाswadeshi compound, Plot no.A-1/74, ग़ाज़ियाबादसोम–शनि 9 AM–6 PM
Ecomen Mining Private Limitedपर्यावरण सलाहकारB-1/8,2nd Floor, opposite Mahalaxmi sweet, लखनऊवेबसाइट
Nirmal Paryavaranपर्यावरण सलाहकारLGF- 91, Khazana Commercial Complex, लखनऊसोम–शनि 9 AM–7 PM
Uttar Pradesh Pollution Control Board Consultantपर्यावरण सलाहकारAP Sen Rd, near Labour Department, लखनऊसोम 10:30 AM–9 PM