About Johnson March Systems, Inc. Johnson March Systems is a Pennsylvania corporation in business for more than 70 years. With its original focus on industrial applications of Chem-Jet dust suppression systems, the company has grown to be a worldwide leader in custom package systems designed from client's specifications for the Power and Petro-Chemical industries. Systems include Steam & Water Sampling; Tanks and skid mounted pumps & piping systems with instrumentation and controls for chemical injection, Chlorination, ASME Pressure vessels, and many other custom projects. EOE As a growing organization we are continuously needing to add personnel in the various trades and disciplines that make up our organization. If you feel you might be a good fit for one of the starred positions below that we are currently searching for or in the future for any of the others that we eventually will need please email us at resume@johnsonmarch.com. Current job listings: