Haileyburia Tea Estates Limited (HTEL), was incorporated on 23rd August, 1923, by a Scottish Planter Mr. Frank Bissett, who planted Semmni Valley Tea Estate and acquired adjoining Haileyburia and Chinnar Tea Estates near Elappara Village situated at Peermade Taluk of Idukki District of Kerala. The name Haileyburia is derived from the renowned HAILEYBURY PUBLIC SCHOOL in Hertford Heath England. The three estates Semmni Valley, Chinnar and Haileyburia consist of approx 2475 acres of which approx 1600 acres is planted with Tea and 300 acres with Coffee having inter cropping of Black Pepper. The company has a modern automatic tea factory at Semmni Valley Estate with an annual capacity to produce 1.8 million Kgs of CTC Tea and Coffee drying yard/parchment units at Haileyburia Tea Estates.