| 1 | Oceanic Metals LLC | | USA |
| 2 | Associated Fastening Products Inc. | | USA |
| 3 | A-1 Alloys | | USA |
| 4 | Valmont Tubing | | USA |
| 5 | Nordfab Ducting | | USA |
| 6 | Mega Steel & Tube | | USA |
| 7 | Mueller Streamline Co. | | USA |
| 8 | ALRO Products International | | USA |
| 9 | DC Duct & Sheet Metal | | USA |
| 10 | Cust-O-Bend | | USA |
| 11 | Quality Pipe Products Inc. | | USA |
| 12 | Jolin Concrete Ind Inc. | | USA |
| 13 | AZCO Steel Company A Division of Bushwick Metals LLC | | USA |
| 14 | Hydra-Flex Inc. | | USA |
| 15 | Wheatland Tube Co. | | USA |
| 16 | Federal Steel Supply Inc. | | USA |
| 17 | United Pipe Nipple Company | | USA |
| 18 | Sewickley Construction Products Inc. | | USA |
| 19 | Bushwick Metals LLC | | USA |
| 20 | Delta AC Supply | | USA |
| 21 | H2K Technologies Inc. | | USA |
| 22 | DBJ Corporation | | USA |
| 23 | Island Fitting | | USA |
| 24 | Versa Fittings | | USA |
| 25 | Appalachian Piping Products Inc. | | USA |
| 26 | Metal Culverts Inc. | | USA |
