Columbus medical company AKSM Ltd. received $550,000 in development capital from undisclosed investors, for growth/expansion, according to PitchBook. Also known as American Kidney Stone Management, the business is a provider of lithotripsy and oncology services intended to treat genitourinary stones and urology problems.

Founded in 1984, AKSM is owned by urologists, led by CEO Henry Wise, and serves approximately 1,500 physicians in the U.S. In recent years, the company has diversified to incorporate additional clinical modalities that serve physicians’ needs and ensure the continued growth of their investment.

United Medical Systems, and its parent company, Massachusetts PE firm New State Capital Partners, invested in AKSM in 2017, when AKSM raised $2.16 million. UMS provides a variety of transportable medical services across the U.S.