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D&G Precision Mfg, Inc. (formerly known as D&G Manufacturing, Inc.) began operations in September 1994. 

The Father and son team, Gene and David Dallapiazza, purchased a lathe and machining center, and began making precision machined components primarily for the hydraulic pump, cylinder and electric motor markets.

Gene Dallapiazza is D&G's Chief Executive Officer.                                          
Gene’s formal education includes study at the University of Wisconsin, but he developed most of his qualifications on the job. Over thirty-years in this business has given him the practical knowledge to do the job efficiently and effectively. 

David Dallapiazza is D&G's President.                                                                        
David is also one of the CNC programmers, and set-up technicians.                                Dave’s credentials include a degree in Biomechanical Engineering coupled with hands on experience as a quality control technician.

Dan Dallapiazza is D&G's Vice President.                                 
Dan started his experience at D&G, in the Shipping Dept. and throughout the years has held various other roles in the company which led him to develop most of his qualifications on the job.

                                                                           Family owned and operated, and working out of an industrial plant in Eden Wisconsin, D&G Precision Mfg. has always maintained a close working and personal relationship within the family which has helped the company grow steadily throughout the years to a full service, ISO 9001-2008 registered, machine shop today.