JENNMAR manufactures ground-control and infrastructure products for work above and below ground. Founded in 1922 as a scrap metal company, it has grown into an American company with more than 2,500 domestic employees, over 800 international employees, and facilities and distribution warehouses worldwide. Its manufacturing operations include ground-support products and structural steel fabrication.
ISO 9001:2015
AISC Fabricators
AWS Certified Welding Stations and Welding Personnel
AWSWELDINGCERTIFICATION
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EJ Group, IncEJ Group, Inc. designs, manufactures, and distributes infrastructure access solutions, with a business dating to 1883. Its manufacturing operations include foundries and facilities producing composite access products, fabricated metal items, and municipal water products; the company describes a worldwide commercial presence spanning five continents.PHOENIX, NY
United Concrete Products, IncSince its founding in 1954, United Concrete Products has grown into a proud American-owned precast concrete manufacturer serving the infrastructure market. Today, five U.S. plants and more than 270 employees support its work, backed by 70 years of production experience and an in-house engineering team. The company is particularly distinctive for extending that experience into complex underground infrastructure through its United Underground division.HURON, OH
Nucor SkylineNucor Skyline manufactures and supplies steel foundation and geostructural products for construction projects across North America. Its stated capabilities include manufacturing and coating at facilities in several U.S. states, and it is part of Nucor Corporation, which the site describes as a major steel-products manufacturer and recycler. The company also provides engineering assistance to owners, engineers, and contractors throughout project design and construction.CAMP HILL, PA
MinovaMinova is a global manufacturer of ground-support and geotechnical products for mining, tunnelling, and infrastructure work. The company says it has worked in this field for more than 140 years, with manufacturing plants across five continents and operations in more than 25 countries. Its engineered offerings support ground stabilisation and safety in demanding conditions.BLUEFIELD, WV