[Class : 35] Advertising, Office Functions, Business Administration Relating To Services Of Water Treatment, Sewage Treatment, Tertiary Treatment, Industrial Effluent Treatment, Research And Development

[Class : 40] Treatment And Transformation Of Materials, Air And Water Conditioning And Materials, Industrial Waste Treatment And Processing, Water Sewage Treatment, Waste Management As Included In Class 40.

[Class : 42] Scientific And Industrial Research, Science And Technology Services As Included In Class 42