D&D Dirtworks specializes in something very specific that requires great skill…they fill in holes with dirt. As simple as that may sound, it is a competitive, niche market. Because of this, D&D wanted a logo that would be attractive and unique in order to stand out from their competitors. Their logo incorporates the main piece of equipment that they use as a clever way to reference what they do, while still being unique and professional.
P.S. I also designed a business card for D&D, click on the link to see it!