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J.G. Parks & Son, Inc.
For over 35 years, J.G. Parks & Son, Inc. has been servicing new and rebuilt fuel injection systems, utilizing factory trained personnel and the most advanced technology offered in the industry. Over the years, the company has greatly expanded its parts distribution and developed into a full service drive-in center with 18 bays. The organization continues to reinvest in the latest technologies, training and services, in order to meet the critical demands of its loyal customers.

1969 ~ John G. Parks, Sr. opens Free State Diesel, Inc. in Mardela Springs, MD.

1973 ~ A fire destroys Free State Diesel.

1981 ~ John G. Parks, Jr. establishes J.G. Parks & Son, Inc. and launches his operation out of a 575 square-foot space with only one employee.

1985 ~ J.G. Parks & Son, Inc. opens an additional location in Chesapeake, VA.

1990 ~ J.G. Parks & Son, Inc. opens an additional location in Dover, DE.

2005 ~ The Mardela Springs location greatly expands its operation by adding an additional repair & service building. The headquarters matures into the present day facility with 18 drive-in bays and well over 35,000 square feet of service area, business offices and warehousing.

2006 ~ John G. Parks III announces the opening of a 10,000 square foot facility in Grasonville, MD

2008 ~ J.G. Parks & Son, Inc. launches their new website, enabling e-commerce of parts, announcing the creation of a new diesel generator division and showcasing an updated look with a new logo and a more consistent brand image.

2015 ~ J.G. Parks & Son, Inc. opens an additional location in Fayetteville, NC. This facility offers drive-in service capabilities, retail parts distribution and authorized fuel injection repair.

2017 ~ J.G. Parks and Son, Inc. announces the opening of an additional location in Salisbury, MD.

J.G. Parks & Son, Inc. is currently an authorized dealer or preferred partner with numerous diesel engine & parts distributors to perform services for: Caterpillar, Cummins, Allison Transmissions, Perkins, Deutz, Yanmar, Hatz, Kohler, Onan, Ford, Volvo, Kubota, Lister Petter, TMD Continental, John Deere, Scania, Isuzu, Reviva, Allis-Chalmers, Clevite, FP, International, Robert Bosch, Hartridge, Bryce, CAV (Lucas), DIPACO, Denso (Nippondenso), Simms, Stanadyne (Roosa Master), Zexel (formerly Diesel Kiki), AIResearch, Holset, Rayjay, Roto Master, AMBAC International (American Bosch), McCord Gaskets, ProDiesel, AC Delco, Raycor, Spinner II, Fleetguard, Murphy, VDO, FPPF, Alliant Power, Alliance Parts Program. And much more!

J.G. Parks & Son, Inc. is always looking for qualified technicians and motivated individuals to enhance its work force. Please visit our EMPLOYMENT section to view current opportunities.
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