PHD Engineering, Llc. is an engineering firm specializing in engineering, design, drafting, technical consulting, HVAC/R, mechanical engineering, piping, civil engineering, nuclear engineering, & electrical engineering. So, everything, basically. The name came from the fact that the partners all have PhDs. About the only thing they didn’t have was a logo.
Here are the designs I came up with to start.
And here is an example business card using the chosen logo.