Nichols Portland Inc. of Portland, Maine, acquired the assets of Alpha Precision Group LLC (APG) of St. Marys, Pa. Nichols, a portfolio company of Altus Capital Partners, designs and manufactures powder-metallurgy components for use in automotive and industrial applications. APG is a metal-forming technology company that provides conventional powder metal, high-temperature stainless steel powdered metal, metal injection molding and additive manufactured (3D metal printed) components and assemblies to a global customer base. APG operates five manufacturing plants in Pennsylvania and Michigan.