Assesses the profitability of establishing an aggregate plant in Iligan City. This business venture took cognizance not only of the prevalent need for the production of aggregates to cope with the demands of the multivariate construction activities flourishing in Iligan City, its neighboring municipalities and extending as far as the provinces of Lanao Sur and Lanao Norte. The analyses of the data clearly emphasizes the shortage of supply over the next ten years (1978-1987), the estimated supply from the six aggregate plants totals 5.5 cubic meters while the projected demand with the said ten years period will be 11.8 cubic meters of aggregate products.