HCAP Partners has announced it and Baymark Partners have invested in DFW Neuropathy.

DFW Neuropathy, based in North Texas, is a neuropathy treatment company. Founded in 2010, the company specializes in combination electroanalgesia treatment intended to heal or reverse peripheral neuropathy.

HCAP Partners, based in San Diego, is a private equity firm that provides growth capital to lower middle market companies throughout California and the Western United States. Founded in 2000, the firm seeks to invest $2 million to $15 million in businesses generating between $10 million and $100 million in revenues in healthcare and a few other industries.

Baymark, which led the transaction, is a Dallas-based private equity firm. Founded in 2009, the firm targets middle market service (healthcare, business and IT), distribution, manufacturing and tech-enabled (SaaS and e-commerce) companies with EBITDA of $2 million to $20 million.

Terms of the investment were not disclosed.