Triangle Capital Corporation is a specialty finance company that provides customized financing solutions to lower middle market companies located throughout the United States. The Company operates as a non-diversified investment company. Its business is to provide capital to lower middle market companies in the United States. Its investment objective is to seek returns by generating current income from its debt investments and capital appreciation from its equity related investments. It invests primarily in subordinated debt securities secured by second lien security interests in portfolio company assets. On a more limited basis, it also invests in senior debt securities secured by first lien security interests in portfolio companies. The Company's investments generally range from $5 to $30 million per Portfolio Company.