| Symbol | Name | Country | Exchange |
|---|---|---|---|
| APT | Alpha Pro Tech, Ltd. | US | AMEX |
| LPX | Louisiana-Pacific Corporation | US | NYSE |
| ROCK | Gibraltar Industries, Inc. | US | NASDAQ |
| JHIUF | James Hardie Industries Plc Chess Depositary Int | US | OTC |
| QEPC | Q.E.P. Co. Inc | US | OTC |
| TGAFF | Taiga Bldg Prods Ltd Ord | US | OTC |