Water treatment services for contaminated waters, waste waters, leakage water or liquid featuring removal and disposal of contaminated gaseous or liquid materials by means of separation and filtration installations and devices; waste treatment featuring the treatment of liquid and gaseous materials by means of separation and filtration installations and by means of installations with separation or filtration elements; water treatment, desalination, and purification; treatment of waste water; rental and lease of water treatment, desalination, and purification equipment; environmental remediation services, namely, treatment of soil, waste and water; design, engineering, research, development, and testing services in the field of water treatment, desalination, and purification equipment and technology; consultation and project management in the field of designing, developing and researching water treatment, desalination, and purification equipment; consulting services for others in the field of design, planning and implementation project management of scientific research relating to water treatment, desalination, and purification equipment; computer project management services relating to water treatment, desalination and purification installation