Elga Products
of Lane End, Bucks
1937 Company founded by Walter Ferdinand Lorch to make domestic electrical appliances
post-WWII Lorch developed ion exchange resins for water purification, contained in exchangeable cartridges, which led to successful application in industry.[1]
1958 A new subsidiary, Deionisation (Elga), was formed specifically to handle the fast growing sales of deionisation equipment[2]
1970 Although established as a water purification specialist which was used by many semi-conductor manufacturers, Elga was expected to be one of the first companies to introduce reverse-osmosis plant for sewage treatment[3]
1972 Lorch retired from the company.
1975 'Leaders in the field of water purification.'[4]
1987 The family-owned company floated its shares on the Stock Market[5]