Slip Signal Technologies is a Baltimore semiconductor design company developing digital logic circuits that reduce electromagnetic interference at its source. The company grew from electrical engineers’ recurring lab problems with EMI and is led by co-founders and technology specialists with more than 50 years of combined experience in electronic design, interference, and regulatory compliance. Its next-generation circuits have progressed through simulation, functional testing, and a printed-circuit-board MVP.
JEMIC Shielding TechnologyFrom its Harrisburg-area facility, JEMIC Shielding Technology manufactures U.S.-made EMI shielding products, with fabric-over-foam gaskets remaining one of its earliest and continuing production focuses. The company supports both low- and high-volume work with design consultation, prototyping, testing support, and in-house conversion and assembly capabilities. Its engineering and manufacturing managers bring nearly 40 years of combined experience in EMI shielding technology.337215HARRISBURG, PA
MTK Electronics, IncSince 1981, MTK Electronics has designed and manufactured specialty electronic components and subsystems, with a particular focus on EMI/RFI and HEMP filters and custom magnetics for military and commercial applications. The Medford company works alongside customers from design through development, including on-site or in-house conducted-emissions troubleshooting through its dedicated EMI testing department. MTK holds ISO 9001 and AS9100 certifications and maintains a catalog of more than 3,000 filter and filter-assembly types.MEDFORD, NY
Heisler Semiconductor LLCHeisler Semiconductor is an engineering-led company built around a Maryland lab and a domestic, NDA-first approach to difficult hardware programs. It helps fabless and other high-reliability teams move from design review to qualified volume, with the same engineers carrying ownership through development and validation on U.S. soil.HALETHORPE, MD
CoolCAD ElectronicsFounded in 2008 by University of Maryland researchers, CoolCAD Electronics is a university spinoff known for carrying silicon-carbide research into working semiconductor technology. The Greenbelt company began fabricating its own SiC chips in 2010 and has since earned multiple patents, published more than 100 papers as a team, and received NASA and DARPA development awards. Its work serves organizations that need electronics to function in extreme heat or harsh environments.COLLEGE PARK, MD