JEM Engineering, LLC, specializes in quick-reaction custom antenna development, novel antenna products, and rapid RF testing services for both government and commercial applications. Headquartered in Laurel, MD, engineers at JEM have decades of combined experience in the development and validation of antennas, microwave circuits, phased arrays and associated electronics covering the spectrum from 2 MHz to 40 GHz. JEM is a woman-owned small business.

Who we are

We are a dedicated, highly experienced engineering firm focused on the development and validation of antennas for both government and commercial applications.

What we do

We provide custom antenna products, development, and testing services, delivered quickly. JEM achieves this by utilizing our in-house rapid prototyping and testing facilities from 2 MHz to 40 GHz, including a tapered far-field anechoic chamber and a high-speed spherical near to far-field anechoic chamber.

What makes us different

Our approach at JEM is unique. We provide our customers with a great value that extends a full 100% satisfaction guarantee to all of its customers on all of its products and services.

We are committed to quality

JEM Engineering is pursuing an expansion of our quality management system to embrace the SAE aerospace standard, AS9100C. We are running training to enhance our quality system, so please let us know how we can improve! Write us at

SIC: 3663
NAIC: 334220, 541330
MBE Cert: MBE03-233
CAGE Code: 3B6J2
PRO-NET: PO269524
CCR Registered
QA: ISO 9001 Certified
LDBE: LD2002-0338
JCP: 0037432
Woman Owned