Here are some simple icon designs. I like how easy clean they are and each one has a specific opening to it that allows the icon to be a part of the background. I also like how they are all see through and tie in well the background also.
Barnett and son | Brewing co Parker, Colorado Alcohol | Beverage | logo | crest | bradge
Kendrick Kidd is a freelance designer out of Jacksonville, Florida, whose work spans type, identity, packaging and editorial. His work is playful and fun, yet skillfully executed.
JAGDA Nagasaki - Keita Nakamura (PRISM)
Second Tree Woodcraft Co
Circle - Creative south badge
great business card idea OSC Mini by Emma Dime (http://emmadime.com/project/osc-mini/)