| AMICO Grating -- Manufacturers expanded metal, bar grating, safety grating, and fiberglass grating. |
| EMCi - Expanded Metal Company of Indiana -- Manufacturer of stainless, aluminum, carbon expanded metal sheets and grating for the metals service centers. |
| Gantois -- Manufacture perforated plates, gratings and ribbed and bossed plates. |
| IKG Industries -- Producer and supplier of bar grating, safety grating, and steel bridge decking. |
| Klemp Grating -- Manufactures and custom fabricates bar grating including welded, riveted, swage-locked and press-locked grating. |
| Meiser North America -- Manufacturer of flatbar, gratings and stairways. |
| Metals, Inc. -- Fabricating service center providing expanded metals, perforated metals, bar grating, fiberglass grating, wire cloth, and grip strut safety grating. |
| Morton Manufacturing -- Manufacture of safety grating, railroad grating and custom products. |
| New Metals, Inc. -- Offer a complete line of expanded metals, perforated metals and expanded metal grating. |
| Ohio Gratings, Inc. -- Manufacturers of aluminum, rectangular bar and I-bar gratings and heavy weld steel gratings. |
| Staco Stapelmann -- Specializes in pressure welded gratings, pressed gratings and profile grating. |
| Taiwan Steel Gratings -- Manufacture and export steel gratings. Taiwan. |
