Ovation Holdings is a U.S.-based industrial holding company headquartered in Riverdale, Iowa, that operates a group of subsidiaries providing flow control, valve, instrumentation, and industrial maintenance services. It functions as a platform company consolidating multiple specialized industrial service businesses serving sectors such as oil & gas, chemical, power generation, water treatment, and manufacturing. The firm's portfolio includes companies such as Allied Valve, Automation Service, Valve Sales Inc., Conhagen, Millennium Power Services, and Allied Instrumentation, which together provide engineering, distribution, repair, and maintenance services for industrial systems. Its business model is centered on value-added distribution and MRO (maintenance, repair, and operations) services for critical industrial infrastructure. The company is private equity-backed, acquired by Warren Equity Partners in 2023, and continues to expand through acquisitions and operational integration of industrial service providers.