Hamilton Robinson’s portfolio company GrayMatter, has completed its fifth acquisition with the merger of Automation & Control Concepts (“ACC”). ACC, located in St. Louis, MO, was founded in 1996 and adds over 50 engineers with deep industry experience in systems integration, industrial controls, MES data collection and HMI/SCADA design to the GrayMatter team.

“ACC is a great addition to the GrayMatter family of brands, given the overlap in the food and beverage end market, as well as being a great cultural fit,” said Brandon Richter, Partner of Hamilton Robinson. “There are a number of new service offerings and technical capabilities this combination will offer both customers and employees.”

James Parmelee, Managing Director of Hamilton Robinson continued, “Engineering and solutions expertise is a competitive differentiator for GrayMatter and ACC brings a world class team that has a proven ability to deliver high ROI technical solutions to leading manufacturers. We are excited about the combination and the opportunity to support growth across the entire business.”


GrayMatter is a technology and solutions integration company, headquartered in Pittsburgh, PA, committed to transforming operations and empowering people in critical infrastructure environments. GrayMatter focuses on co-innovation and curating the best process and technology to drive industrial companies and utilities through digital transformations.