Street cleaning; exterior cleaning of buildings; interior cleaning of buildings; cleaning and repair of boilers; cleaning of articles of clothing; cleaning of vehicles; cleaning of windows; cleaning of petrol, oil and grease deposits; cleaning of cesspits; pipeline and sewer cleaning; gully cleaning; industrial cleaning; hiring out of cleaning machinery; chemical cleaning; construction of environmental facilities; repair work, namely, repairs on buildings, machinery, vehicles, electrical devices, air conditioning units and IT equipment; installation work of environmental facilities; construction and repair of environmental equipment, namely, refuse disposal sites, purification, incineration and drainage facilities as well as glass reprocessing facilities; cleaning of portable toilet cabins, portable toilet blocks and containers as well as the disposal of waste containers; construction consultancy

Garbage collection; transportation and storage of waste products, refuse and recyclable materials; refuse transportation and storage; transportation of domestic, trade and industrial waste and hazardous waste materials; transportation of industrial liquid waste; transportation of excrement; transportation of oils and oily materials; transportation of environmentally hazardous liquids and transportation of environmentally hazardous solid materials; delivery and distribution of electrical energy, gas and water; transport of water supplies; transportation, packaging and storage of waste products, refuse and recyclable materials; renting storage units and waste and refuse containers to others; transportation of portable toilet cabins, portable toilet blocks and containers as well as the transportation of waste containers

Reprocessing and conversion of waste materials, namely, the recovery of valuable materials from waste, namely, glass, metals, paper and chemicals; decontamination of hazardous materials; sorting of refuse and recyclable materials; refuse and waste recycling; disposal of waste materials, namely the treatment of waste materials using chemical, biological, physical and thermal processes; disposal of portable toilet cabins, portable toilet blocks and containers as well as the disposal of waste containers by means of destruction and incineration; incineration and destruction of refuse and waste materials; air purification; material processing, namely, waste material processing; waste water treatment; production of energy

Environmental protection compliance consultancy; determination of concentration levels of pollutants; determination of emissions and immissions levels in the environment; environmental impact assessments; technical consultancy, namely, the determination of emissions and immissions and environmental impact assessments; planning and research for construction of environmental facilities; technical project planning for environmental facilities; architect's services; services of building contractor, namely, construction drafting services; engineering; biologist's, chemist's and physicist's services; technical and construction planning for waste disposal and waste water treatment facilities; development, planning, projection, execution of and consultancy for authorisation procedures for facilities, equipment and processes regarding chemical, physical, thermal, biological treatment and processing and dumping of water, waste water, waste materials and refuse; carrying out of chemical, analytical and toxicological investigations of all kinds for others; scientific and technical analysis and evaluation of soils, waters, gases and waste products; environmental protection compliance consultancy, technical planning and development of environmental processes and facilities in the field of environmental hygiene and energy supplies; technical project planning in the nature of technical design of environmental facilities, namely, refuse disposal sites, purification, incineration and drainage facilities