Project Design Group Inc. is a multi-discipline engineering firm in the United States. Based in Mobile, Ala., it specializes in offering engineering services. The firm provides project management, CAD (computer aided design) drafting and detail design services, among others. Project Design Group Inc. offers a range of capabilities in the areas, such as system or process design, civil or structural, mechanical, relief system studies or calculations, piping and electrical or instrumentation, to name a few.