Like the most majority of US web hosts, Dreamhost opposes SOPA too. You could see the article Don’t drop the soap, drop SOPA! on their official blog.

They released a coupon to express their stance on SOPA.

Coupon: SOPAROPA

Discount: $50 off 1 year hosting plan, plus 4 free domains (com, net, org or info) for the life of your hosting plan.

Click here to visit Dreamhost