Greenfield Resources develops and manufacturers the world's most advanced industrial water treatment systems. Greenfield's A.L.E.F. (Advanced Linear Electro-Floatation) system stands alone as the most innovative and cost-effective water treatment technology in the world today. Greenfield systems are capable of treating wastewater in over 35 different key industries, from the oil and gas sector to aquaculture, poultry farming and municipal water facilities.