Founded in 1972, Chattanooga-based Astec Industries builds specialized equipment for the infrastructure work behind roads, aggregates and concrete, with solutions that also support forestry and material processing. Its global operation brings together 16 brands, more than 4,300 employees and a deep patent portfolio, while its parts network includes over 1 million square feet of storage. Astec is particularly distinctive for pairing large-scale plant and processing equipment with practical innovations such as the robot-assisted SiloBot inspection service and compact Ranger track-mounted plants.
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Pine Test Equipment, IncSince Ted Hines launched Pine Instrument Company in 1962, Pine Test Equipment has built asphalt and concrete materials-testing systems from its Grove City, Pennsylvania base. Its gyratory compactors and related equipment are used by private companies, government laboratories and academic institutions worldwide, while Pine’s technicians support hundreds of machines in the field each year. Now operating under the Pine Test Equipment name, the company continues the founder’s legacy with his son Joe Hines leading the business.GROVE CITY, PA
Gecko Robotics, IncFounded in Pittsburgh in 2013 by Jake Loosararian and Troy Demmer, Gecko Robotics develops robotic and AI-based technology for inspecting and managing critical infrastructure. Its robots collect high-fidelity asset data, which its Cantilever platform combines with AI analysis to support infrastructure construction, maintenance, and modernization. The company is headquartered in Pittsburgh and also lists offices in Houston, Boston, New York City, Washington, D.C., and Abu Dhabi.PITTSBURGH, PA
Elgin Separation SolutionsElgin Separation Solutions designs, manufactures, services, and repairs specialized processing equipment and engineered systems for separation, dewatering, material sizing, and material handling. Founded in 1864, the company reports more than 20,000 installations worldwide and operates as part of the ASTEC family of brands. Its work serves industrial processing and natural-resource operations, including mining, oil and gas, and water intake.PRINCETON, WV
Process Machinery IncFounded in Louisville in 1979 by David and William Miles, Process Machinery Inc. designs and manufactures custom aggregate and mineral-processing plants, conveyor systems, and related equipment. Now based in Shelbyville, the family-owned company is led by third-generation owners Daniel Miles and Jennifer Ratterman and operates from a 100,000-square-foot manufacturing facility. PMI also provides engineering, installation, rebuilds, and parts support for producers across the Eastern United States.COLUMBUS, OH