| Central Denver Ironworks, Inc. - http://www.cdironworks.com/ Custom made fabricator of metal and steel shelters, structures, ornamental iron, bridges, and metal sculptures. |
| Cinco Building Systems - http://www.cinco-stlbldg.com/ Offers steel building designs for mini-storage and self-storage buildings. |
| Conservatek Industries Inc. - http://www.conservatek.com/ Manufactures clear-span aluminum covers and geodesic domes for environmental protection and architectural purposes. |
| Dean Steel Buildings, Inc. - http://www.deanintl.com/ Manufacturer of pre-engineered metal building systems in the Southeast & Eastern US, Caribbean and Central America. |
| Douglas Specialty Carports & Shelters - http://www.carportman.com/ Erection and repair of commercial and residential steel carports in various sizes, from individual home carports to structures for 1,000+ cars for apartment and office buildings. |
| Eagle Companies - http://www.mobileworkshop.com/ Manufacturers of custom mobile workshops and storage for heavy construction and the mining industry. |
| EagleSpan Steel Structures - http://www.eaglespan.com/ Manufactures pre-engineered steel barns, equestrian arenas, bridges, hangars, and more. |
| Eastern American - http://www.eabuildings.com/ Supplier of pre-engineered metal buildings, and developer of industrial parks in China. |
| Empire Steel Buildings - http://www.empiresteelbuildings.com/ Providing pre-engineered and pre-fabricated steel and metal building systems. |
| Frisomat S.A. - http://www.frisomat.pt Prefabricated steel buildings for shelter needs all over the world. |
| Garco Building Systems - http://www.midcoinc.com/ Design, engineering, and manufacturing of metal building systems. |
| General Steel Corporation - http://www.gensteel.com/ |
| Green Diamond Building Systems - http://www.metal-steel-buildings.com/ Dealer for pre-engineered complete metal and steel buildings delivered to job sites. |
| Heartland Steel Buildings - http://www.heartland-steelinc.com/ Supplier of pre-engineered steel buildings and structures, storage units, and insulation. |
| Heritage Building Systems - http://heritagebuildings.com |
| Independence Steel Products North East, Inc. - http://www.ispne.com Supplies and erects pre-fabricated and pre-engineered metal and steel buildings, for industrial, commercial, agricultual, and personal use. |
| International Building Systems Factory (IBSF) - http://www.ibsf.com/ Design, manufacture, and market pre-engineered metal building, structural steel, sandwich pannels, and finishings. |
| Ironbuilt Steel Buildings - http://www.ironbuilt.com/ Manufacturer of pre-engineered steel buildings, including equipment storage structures, riding arenas, horse barns, truck garages, mini warehouses, and more. |
| Kailan International Consultants - http://www.kailan.net/ Providing modular stackable steel structures for storage, warehouse, and office use. |
| L.C.I. Distributing, Ltd. - http://www.qualitygarages.com/ |