Rock Hill Capital-backed Core International, a Houston-based supplier of highly engineered rubber components and supply chain solutions to a variety of industrial end-users, agreed to merge with Javelina Oilfield, an oil and energy equipment supplier. Financial terms were not disclosed. “Core benefits from Javelina’s sales expertise and customer relationships, and Javelina benefits from Core’s ability to deliver high-quality engineered rubber parts for the combined company globally,” Phillip Meyer, President of Core Javelina.