Custom design using Genesis + BB Builder:
http://www.aedesignco.com/
Dev only using Genesis + BB:
http://alphatecspine.com/
Custom design using BB Theme:
http://www.commercialrecordscenter.com/
Simple mobile conversions projects using BB Theme:
http://ssbrm.com/
http://www.lajollaivf.com/
Development only (of course with some UX consult):
http://careers.goodeggs.com/
Look forward to your critique