[Class : 42] Environmental Engineering Services, Environmental Monitoring Services, Environmental Testing Services, Environmental Assessment Services, Environmental Consultancy Services, Environmental Hazard Assessment, Advisory Services Relating To Environmental Pollution, Compilation Of Environmental Information, Advisory Services Relating To Environmental Protection, Engi...

[Class : 40] Water Treatment, Waste Water Treatment, Water Treatment Services, Water Treatment And Purification, Consultancy In The Field Of Water Treatment, Providing Information Relating To Water Treatment, Treatment Of Effluent, Industrial Treatment Of Effluents, Sewage Treatment, Sewage Treatment Services, Services For The Treatment Of Sewage