PARIS — Roland L. Sutton, chairman of the board and founder of Maine Machine Products Co. of South Paris, announced recently that the Sutton family has sold 100 percent of its ownership interest in MMP Co. to an affiliate of GenNx360 Capital Partners.

GenNx360 Capital Partners is a private equity firm founded by former senior operating executives of General Electric Co.. Officials at GenNx360 indicated that MMP Co. will continue to operate as it has and that the company’s management will not change.

MMP Co. has been in business for 54 years and manufactures precision-machined critical components and assemblies for the defense, oil, gas and semiconductor industries.