All in Heavy
| Title | Country | Formed |
|---|---|---|
| Twisted Sister | United States | 1973 |
| UDO | Germany | 1987 |
| Underknown, The | United States | |
| Unravelling, The | Canada | 2008 |
| Vagrant | United States | 1996 |
| Vanize | Germany | |
| Virus IV | Belgium | 2005 |
| W.A.S.P. | United States | 1982 |
| Warchild | Italy | 2000 |
| Warlock | Germany | 1982 |
| Wåttamezz | Norway | 1994 |
| Witchsmeller Pursuivant | Belgium | 1995 |
| With No Reflection | United States | 2007 |
| Wykked | Sweden | 2007 |
| XPDC | Malaysia | |
| Y&T | United States | |
| Year Of The Lord, The | ||
| Your Envy | Canada | 1996 |
| Zero Nine | Finland | |
| Zerocharisma | Finland | 1995 |
