Wijaya Kusuma Emindo
A construction company which is specialised in water treatment plants and sewage treatment plants in Indonesia. It has national and international scope. It also provides electrical and mechanical services for building.
http://www.geocities.com/wkeindo/

Swaby Manufacturing Company
Cast iron and stainless steel manufacturer of dependable pumps. Servicing industrial plants, commercial buildings, chemical plants, power stations, water and sewage treatment plants.
http://www.swabypump.com/

RedFox Environmental Services, Inc.
Redfox Environmental specializes in self contained sewage treatment units, wastewater treatment, and marine sewage.
http://www.redfoxenviro.com/

Aeration Treatment Systems
Noblewater
http://www.atsystems.com.au/

Huber Technology
Homepage: Huber Technology UK - Rotamat Ltd.
http://www.huber.co.uk/

G.E.T. Industries, Inc.
comminutors, shredding and screening devices widely used in treatment plants and pumping stations to disintegrate wastewater solid. Bypass screens and controllers compliment installation
http://www.grindhog.com

Edible Oil Treatment
Water and waste water treatment, effluent treatment plants to remove oil and grease and other types of treatment plants well-suited for the edible oil industry.
http://www.wockoliver.com/

Amos Pumps (UK) Ltd.
Water pumps from Amos Pumps also pumping accessories specialising in water pumps, borehole pumps and sewage pumping and treatment.
http://www.amospumps.com/

Sun Enviro
Providing effluent treatment and waste water treatment plants, water reuse systems, mechanical equipment for effluent treatment plants, aerators, clarifiers, clariflocculators, oil skimmers, Lamella clarifier and flash mixer.
http://www.sunenv.com

D. A. Van Dam & Associates
Infrastructure solutions for culvert liners, manhole rehabilitation, pipe rehabilitation, crystalline waterproofing, stopping water inflow in sewage treatment plants, potable water tanks,manholes and pipe relining.
http://www.davandam.com