Momentum Manufacturing Group, a North American metal manufacturing services provider and a portfolio company of One Equity Partners, has bought Evans Industries Inc. and Little Enterprises LLC, two precision machining service companies.

Headquartered in Topsfield, Mass., Evans produces components for the semiconductor and medical end markets. Its capabilities include machining, finishing and assembly, with a focus on metal alloys. Little is headquartered in Ipswich, Mass. and is a precision machining services provider for components in the semiconductor, aerospace and defense and medical end markets. Little also focuses on metal alloys and offers design, inspection, machining, milling, turning, grinding and welding capabilities.

“The acquisitions expand Momentum’s capabilities, increase the company’s exposure to mission-critical end markets, and add nearly 160 skilled team members,” says Charlie Cole, principal at One Equity Partners.