EMC testing labs in Maryland
Looking for EMC testing services in Maryland (MD)? This directory lists accredited EMC and EMI laboratories and consultancies with locations in Maryland—ideal for emissions and immunity testing, standards compliance, and pre-certification support. Explore geocoded sites on the map, then refine results by accreditation, test type, industry, and other filters. Open a lab profile for full capabilities, standards, and contact details.
Map shows one pin per geocoded address in Maryland. Right now: 6 locations across 6 labs.
Showing 6 of 109 labs
Advanced Programs, Incorporated (API) is an NSA-endorsed, ISO 9001:2015-certified TEMPEST engineering, manufacturing, and testing organization headquartered at 7090 Columbia Gateway Drive, Suite 150 in Columbia, Maryland, with additional operations in Salem, New Hampshire. Founded in 1969 and self-described as the world's leading provider of shielded IT equipment meeting US and NATO TEMPEST standards, API serves NATO, NATO member governments, military organizations, and the intelligence community. Strategic technology partnerships include Cisco, HP, Dell, Sharp, Panasonic, NEC, and Intel. The API Cyber Assurance Services Laboratory (CASL) operates 16 test chambers and employs over 20 NSA Certified TEMPEST Professionals (CTPs), making it one of the most extensively resourced TEMPEST test facilities in the private sector. Chamber infrastructure includes seven certified shielded enclosures, one fully anechoic chamber, one dual-use TEMPEST/shielding effectiveness (SE) chamber, and one private, limited-access high-security chamber. API/CASL is approved to test to NATO SDIP 27 TEMPEST standards in addition to US standards including NSTISSAM TEMPEST/1-92. Commercial EMC testing services are also offered, covering FCC Part 15 pre-compliance, CE Mark testing to EN 55022, EN 55011, EN 55024, EN 300-386, and immunity testing to IEC/EN 61000-4-2 (ESD), IEC/EN 61000-4-3 (radiated immunity), IEC/EN 61000-4-4 (EFT), IEC/EN 61000-4-5 (surge), and voltage dips and transient tests. MIL-STD EMI testing and EMC engineering design services are also provided. API has been NSA-endorsed to design, build, and test TEMPEST equipment for over 20 years and produces over 20,000 cyber-assured and hardened products annually.
Testing Services
Dayton T. Brown, Inc. (DTB) is a US-owned and operated testing, engineering, and technical services company founded in 1950, with primary facilities in Bohemia, New York and Hollywood, Maryland. The company is A2LA-accredited (Cert. No. 0767.02) and NVLAP-accredited (Lab Code 200422-0) for EMI/EMC and RTCA/DO-160 testing, and holds NSA certification under the TEMPEST Test Services Program with in-house Certified TEMPEST Professionals (CTPs). DTB is a Department of Defense preferred provider with deep roots in military, aerospace, and defense testing. EMI/EMC capabilities span the full spectrum of military and aerospace requirements: conducted and radiated emissions, conducted and radiated susceptibility, RTCA/DO-160 (all sections, emissions and susceptibility up to 40 GHz, radiated fields exceeding 200 V/m), MIL-STD-461 (revisions A through G), ESD, EMP testing (RS105 radiated and CS116 conducted), lightning testing (single-stroke, multi-stroke, and multi-burst per RTCA/DO-160 Section 22, MIL-STD-461G CS117, and SAE ARP5412), shipboard electrical testing (MIL-STD-1399, MIL-STD-461D/E/F), and shielding effectiveness (IEEE 299, MIL-STD-285, IEC 61726). The facility includes large semi-anechoic chambers, a reverberation/stirred-mode chamber built in collaboration with the US Navy for large armament system testing, and the largest RS105 EMP simulator in any US non-government facility. A dedicated Positive Train Control (PTC) lab supports railroad system compliance with FRA regulations. Power quality testing covers MIL-STD-704, MIL-STD-1399, RTCA/DO-160, and commercial aviation specifications including high power AC (480 V, 3-phase, 600 A) and DC (300 V, 150 A) capabilities. Industries served include military and defense, aerospace and aviation, space, rail and transit, maritime, automotive, medical, heavy equipment, and electric propulsion. DTB has performed testing for programs involving the Astrobotic Peregrine Lunar Lander and is a trusted partner to organizations such as Lockheed Martin, Boeing, Northrop Grumman, and BAE Systems.
Accreditations
Testing Services
Eurofins MET Laboratories (operating as Eurofins Electrical & Electronics NA) is a full-service product testing, certification, and regulatory compliance organization headquartered at 914 W. Patapsco Avenue in Baltimore, Maryland. Originally established as MET Laboratories, Inc. in 1959, MET became in 1989 the first OSHA-recognized Nationally Recognized Testing Laboratory (NRTL) in the United States, breaking the prior UL monopoly on product safety certification. MET joined the Eurofins Scientific network in 2018 and is now part of Eurofins' global product testing portfolio. MET is approved to certify products in over 200 UL standard categories and provides testing and certification for clients across the US, Europe, and worldwide. EMC testing facilities include 3-meter, 5-meter, and 10-meter semi-anechoic chambers and a reverberation chamber. Accreditations and recognitions include FCC (including TCB status), ISED Canada, A2LA, Australia ACMA, Japan VCCI, Vietnam MIC, Taiwan BSMI, and EU Notified Body for the Radio Equipment Directive (RED). EMC/EMI testing capabilities cover radiated and conducted emissions, radiated and conducted immunity, ESD, transients, EMP, surge, radiated magnetic field immunity, voltage dips and short interruptions, electromagnetic field measurements (EMF), indirect lightning, medical wireless coexistence, shielding effectiveness, and on-site EMC testing and site surveys. Related services include FCC testing and certification, military EMC testing (MIL-STD-461), RTCA/DO-160 aeronautics testing, wireless and RF testing, SAR testing, NEBS testing, energy efficiency testing (DOE, Energy Star), environmental simulation, product safety testing and certification, global market access services covering over 200 countries, and on-site field evaluations. Pre-compliance testing is also offered. All EMC projects are assigned a dedicated lead EMC engineer who manages the project from setup through final report delivery.
Accreditations
Testing Services
F2 Labs is an A2LA-accredited regulatory compliance testing laboratory with over 30 years of experience, operating facilities across Maryland, Ohio, and Indiana. The EMC/EMI testing infrastructure includes a 10-meter anechoic chamber, a 3-meter anechoic chamber, a 10-meter Open Area Test Site (OATS), shielded/screen rooms, and a full suite of emissions, immunity, and radio/wireless testing equipment. EMC capabilities cover FCC Part 15 and Part 18, ISED Canada, CE Mark (EMC Directive 2014/30/EU), Radio Equipment Directive (RED), IEC 60601-1-2 for medical devices, automotive transient pulse immunity, IEEE/ANSI C63.27 wireless coexistence testing, EN/IEC 61000-4-16, AIM 7351731, and EMC site surveys. The lab is also enrolled in the FDA's ASCA program. Product safety testing facilities are accredited and accepted by an OSHA-recognized NRTL, covering UL and CSA standards, CE marking, UKCA, ATEX, Low Voltage Directive, Machinery Directive, hazardous location testing, ingress protection (IEC 60529), NEMA 250, UL 50/50E, IEC 60601-1, and battery testing to UL 4200A. On-site compliance testing is available for large or immovable equipment across all service areas.
Accreditations
Testing Services
Note: Signal Edge Solutions is an EMC and signal/power integrity engineering consultancy, not an accredited test laboratory. EMC-related services are pre-compliance and troubleshooting in nature, delivered via mobile lab or remote engagement. Signal Edge Solutions LLC is a DFARS-compliant, veteran-owned small business specializing in signal integrity (SI), power integrity (PI), electromagnetic modeling, and EMC engineering services, with a focus on advanced semiconductor packaging, ASICs, chiplets, FPGAs, and PCBs. The company is a Keysight Certified Signal Integrity and Power Integrity Expert and partners with Rohde & Schwarz, AMD, Keysight, Picotest, Modelithics, Ansys, and COM Power, among others. A distinctive offering is the Signal Edge mobile EMC lab — an RF-shielded mobile laboratory providing a 3-meter test chamber that is shipped to the customer's facility along with an EMC engineer, enabling on-site pre-compliance EMC testing, troubleshooting, and design iteration without transporting equipment to a fixed lab. This is particularly suited to large or complex systems, early-stage development troubleshooting, and teams looking to iterate rapidly before formal compliance testing. Engineering services include SI/PI simulation and measurement for ASICs and PCBs, VRM and passive component modeling, EM simulation, power distribution network (PDN) analysis, PCB layout review for EMC and signal integrity, and custom test automation solutions for SI/PI and EMC measurement. Signal Edge also maintains a commercial SI/PI model library covering VRMs, capacitors, inductors, ferrite beads, resistors, and embedded capacitors, and sells curated test and measurement equipment from Rohde & Schwarz, Picotest, and Select Fabricators. The company publishes a technical blog covering SI/PI and EMC simulation, measurement, and modeling topics.
Testing Services
Washington Laboratories (WL) is a fully accredited EMI/EMC testing laboratory based in Frederick, Maryland, with over 35 years of experience in electromagnetic compatibility, radio, and telecommunications testing. Founded in 1989, the lab has built a reputation as a trusted authority on EMC compliance, earning thousands of approvals for a broad range of clients across commercial, military, aerospace, and medical industries. WL offers a comprehensive suite of services under one roof, including EMI/EMC and RF testing, MIL-STD-461 and MIL-STD-810 testing, medical device testing, nuclear EMC testing, RFID and shielding effectiveness testing, and wireless testing and certification. Beyond emissions and immunity, the lab also provides full environmental simulation — covering temperature, humidity, altitude, vibration, shock, salt fog, and rain/ingress protection testing. Their capabilities extend to product safety approvals for U.S., Canadian, European, and international markets, including FCC, CE, ISED Canada, and CCC/SRRC for China. Accreditations include ISO/IEC 17025 and ISO/IEC 17065 through ANAB, BSMI recognition from Taiwan, APEC MRA status, ISED Canada scope of accreditation, and Notified Body status (#1317) under both the EU EMC Directive and the Radio Equipment Directive. Washington Laboratories also has deep expertise in international approvals, working with partners to cover over 200 market countries, and offers engineering training through the Washington Laboratories Academy.