This is a logo owned by ANSAC.
<a href="https://en.wikipedia.org/wiki/ANSAC" class="extiw" title="w:ANSAC">ANSAC</a>
The logo is from the <a rel="nofollow" class="external free" href="http://www.ansac.com/">http://www.ansac.com/</a> website. <a rel="nofollow" class="external free" href="http://www.trademarkia.com/logo-images/american-natural-soda-ash-corp/ansac-77377042.jpg">http://www.trademarkia.com/logo-images/american-natural-soda-ash-corp/ansac-77377042.jpg</a>