Keystone Structures, Inc. manufactures custom pre-assembled and prefabricated steel and aluminum buildings, structures, enclosures, and shelters. Its offerings include booths, guardhouses, convenience stores, restrooms, in-plant offices, equipment enclosures, pump islands, parking and transit shelters, and related structures for petroleum, parking, industrial, security, transit, transportation, and sanitation applications.
Austin Mohawk and Company, LLCAustin Mohawk and Company, LLC manufactures prefabricated, modular, factory-built aluminum and steel buildings, shelters, press boxes, canopies, walkway covers, and alternative-fueling structures. The company provides custom design, engineering, fabrication, factory inspection, nationwide delivery, and installation-related services for markets including convenience stores, retail, public transit, parking, education, government, petroleum, transportation, and alternative energy.UTICA, NY
Columbia EquipmentSince creating the first prefabricated aluminum shelter in 1961, Columbia Equipment has designed, fabricated, installed and maintained transit shelters and related public-space enclosures. Based in Freeport, New York, the company’s shelters serve locations in all 50 states and around the world, including transit systems such as the MTA and Long Island Rail Road. Its work spans standard modular designs and custom projects shaped to an agency’s plans and specifications.FREEPORT, NY
Universal Fabric StructuresUniversal Fabric Structures manufactures engineered, cost-effective fabric building systems and shelters using aluminum or galvanized steel frames with PVC-coated polyester fabric. It provides design, construction, project management, installation, and support for military, aviation, environmental, warehousing, sports and recreation, correctional, hospitality, industrial, and other applications.332311TELFORD, PA
Guardian PrefabGuardian Prefab traces its roots to 2014, when EMT Abraham Taub turned a converted porta-potty into a guard shack and founded Guardian Booth in Orangeburg, New York. The company later expanded through a Juarez manufacturing facility and the 2022 acquisition of Homes by Keystone, moving its headquarters to Waynesboro, Pennsylvania, where 65–70 employees work across three shifts. Today, Guardian Prefab builds custom modular structures for customers across North America.WAYNESBORO, PA