Frontenac-backed EFC International, an engineering support, sales and marketing solutions provider, completed the acquisition of Inventory Sales Company, a fasteners, specialty components, struts, and strut accessories distributor. Financial terms were not disclosed. “The ISC acquisition provides us with tremendously increased scale and diversification while further expanding and strengthening the product and service offerings of both companies. The acquisition is very strategic, and what is also impressive is the alignment of company cultures and similar histories. We believe the sky is the limit for what we can accomplish together through the strong collaboration of these great teams,” Matt Dudenhoeffer, EFC CEO.