There are 463 registered businesses from the tertiary sector in 2016 which are engaged in trade, transportation, finance and business service, and community, social and personal services. Majority of these establishments are wholesale and retail stores selling various kinds of merchandise including meat, fish and vegetable dealers. There are also service shops, eateries, bakeries, food processors, drugstores, and amusement centers and video shops. Buying stations are found along M. L. Quezon Street where copra, palay and abaca are traded. Agricultural supplies, automotive parts dealers, appliance dealers and gasoline/refilling stations are also thriving. Trading and business transaction in Irosin are concentrated mainly at the Central Business District (CBD) in the town continue reading : Commerce and Trade
Irosin has many potential tourist spots varying from natural parks, hot and cold springs, viewing areas and historical landmark. The famous tourism attractions in the municipality are the Mateo Hot and Cold Spring Resort, St. Michael Archangel Roman Catholic Hilltop Church and protected areas. The Bolos Crystal Spring and the Valley View Park where eateries, kiosks and parking spaces were set up had become a rest area for truckers and travelers plying the Maharlika Highway. Another potential tourist attraction is the Mapaso mineral hot spring famous for its purported healing qualities. Irosin is an ideal jump-off site for mountaineering and ecological trek that is becoming popular among tourists both foreign continue reading : Tourism
The investment potentials in Irosin that are agriculture-based are agri-business ventures like rice, coconut and commercial crops production as well as hog and poultry farms. Tree farming is also encouraged in mountainous areas and steep slopes 18% and above. Agricultural products processing namely rice milling, cereal processing, meat processing, vegetable and fruit processing, coconut processing including its by-products, and organic fertilizer production are investment priority areas. Miscellaneous manufacturing like garments, handicrafts, metal crafts, assemblers of jeepney and tricycle body, hand tractors and threshers and building components are encouraged. Subdivision and housing development, memorial parks and resorts and ecological tourism facilities development are feasible ventures. Investments in the establishment and operation continue reading : Investment Potentials
Secondary Sector Industries in Irosin are primarily agriculture-based. In 2009, there are only 14 registered establishments belong to the secondary sector where nine are rice mills, two are engaged in construction, an organic fertilizer center, a furniture manufacturer and a coco-fiber stitching plant. A number of home-based food and meat processors producing pili nut candies, local sausages and meat preserves are also noted. Most of the existing local industries are light and generate non-hazardous wastes. Few handicraft producers still thrive while a number already closed shop due to a significant decrease in foreign demand, economic slowdown and the scarcity of raw materials.
The local economy of Irosin is basically agricultural. About 46% of gainful workers rely on crop production and farm labor for livelihood and sustenance. Agricultural lands comprise 79% of the total land area of the municipality or an approximate area of 11,715 hectares. Coconut occupies about 79% of the total agricultural lands, followed by palay at 18%, while other crops occupies only 3%. The total peso-value of the agricultural crop production in 2013 is estimated to be P 553,384,044.