Limestone aggregate producer with legacy industrial automation
RiverStone Group is a 130-year-old privately held aggregate manufacturer operating a 201–500-person workforce across the Midwest. The tech stack reflects typical industrial-operations maturity: Allen-Bradley ControlLogix PLCs, SCADA/DCS systems, Rockwell Automation, and AutoCAD for design — all core to mining and quarrying infrastructure. Active hiring skews toward operations and manufacturing roles with junior-level density, paired with ongoing projects around power distribution and electrical systems design, suggesting either facility modernization or capacity expansion in progress.
RiverStone Group manufactures limestone aggregate products for construction, infrastructure, and civil projects across the Midwest. The company operates as a family-owned business founded in 1892 and headquartered in Davenport, Iowa, serving customers in residential, commercial, and transportation segments. As one of the largest privately held U.S. aggregate producers, the organization maintains a vertically integrated operation with 201–500 employees. Current hiring activity spans operations, manufacturing, engineering, and sales, with an emphasis on junior and mid-level technical talent. Active project work focuses on electrical infrastructure upgrades, including power distribution system design and AutoCAD-based engineering drawings.
Allen-Bradley ControlLogix PLCs, SCADA/DCS, Rockwell Automation, AutoCAD, Visual Basic, PLC/ControlNet, and standard Microsoft Office suite. Stack reflects industrial manufacturing and quarrying automation.
Davenport, Iowa. The company is privately held, founded in 1892, and operates across the Midwest as one of the largest independently owned U.S. aggregate producers.
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