W.R. Carpenter & Co Estates is a tea and coffee growing, manufacturing and exporting company situated in the Wahgi Valley, in the Western Highlands Province of Papua New Guinea.

The Tea and Coffee is grown at 5000 feet (1600 meters) above sea level and the ideal weather conditions that prevail in the Wahgi valley allows us to produce Tea and Coffee of excellent quality.  This had led to Sigri Coffee being ranked among the 10 best Coffees in the world by leading experts in the USA and Europe.  Coffee is exported in Green Bean Bulk and in 50 gram & 250 gram "Sigri" packets.

The tea is grown without the use of any chemical pesticides, a situation that does not prevail in any other Tea producing country.  The Green Leaf is carefully selected and harvested by using the latest techniques in plantation management.  The Black Tea which is to CTC (Cut, Tear & Curl) manufacture is sorted to 12 international grades and exported in bulk, and value added packets & Tea bags.  Our Coffee and Tea is also sold in the domestic market under the brand names 'Sigri', 'Bunum Wo' for Coffee and 'National No1', Tea Pot Tea' for Tea packets & Bags.  The Tea is also exported under 'Mt, Angalim' brand.

The company has a Packing Factory for Tea and Coffee with modern Tea Bagging/Packing machinery and coffee roasting facilities.