Wynnchurch Capital, a private equity firm, completed the acquisition of a majority stake in Industrial Service Solutions, a MRO services provider, from Edgewater Funds and JZ Capital Partners, two private equity firms. Financial terms were not disclosed. “Since our inception, we have built a strong reputation for providing customers with unparalleled service for all their maintenance and expansionary project needs. Wynnchurch shares our values and focus on putting the customer first. We are excited to partner with them during our next phase of growth,” Wade Stockstill, ISS CEO.