Manufacturer Directory
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MD
EnergyWorks develops monitored animal-waste treatment systems designed to manage nutrients at watershed-subbasin scale while producing renewable energy. Its approach connects agricultural feed and fertilizer byproducts with pollution avoidance, greenhouse-gas reductions, and climate-smart commodities such as clean-water eggs.
eNeura develops prescription medical devices that use single-pulse transcranial magnetic stimulation to treat migraine attacks and help prevent future migraine days. Based in West Palm Beach and operating as a subsidiary of Aruene Corporation, the company pairs its FDA-cleared, at-home SAVI Dual therapy with a cloud-based Smart Diary and one-on-one clinical support. Its medical advisory board includes headache specialists whose research has helped shape the company’s non-drug neuromodulation approach.
Engage Armament LLC is a Rockville, Maryland firearms manufacturer and dealer best known for building its E4 AR-15 rifles and adapting AR-15-pattern rifles to comply with Maryland law. The company also provides armorer services for modern rifles, with owner Andrew Starr Raymond bringing lifelong firearms-community experience and certifications as an AK armorer and builder. Engage operates as a Class II manufacturer and Class III dealer, serving a region where its focus on Maryland-compliant rifles sets it apart.
Serving commercial and military customers since 1990, Engineering Systems Development (ESD) Corporation is an electronics manufacturing services company built around an engineering staff with more than 60 years of combined experience. The Laurel, Maryland firm combines skilled personnel with robotic and automated tools, carrying out work in an ESD-controlled environment under a quality process aligned with customer requirements and applicable standards.
Backed by more than 30 years in textile manufacturing, English Trading Company is a Lancashire-based specialist known for taking interior projects from an initial idea through to completion in-house. Its 22,000-square-foot facility supports bespoke work for hospitality and residential developments, while CHAS and ISO 9001:2015 certification reflect the systems behind its production.
Founded by James Bernstein, MD, and Huma Malik, Eniware, LLC develops the Eniware Portable Sterilizer, a roughly 35-pound medical-instrument sterilizer that uses nitrogen dioxide at room temperature without external electricity or water. The Delaware company grew from Bernstein’s earlier work developing NO₂ sterilization technology and is focused on bringing safe surgical sterilization to field hospitals, medical missions, disaster zones, and other resource-limited settings. Eniware maintains an ISO 13485:2016-certified quality management system.
For more than 50 years, Enterprise Elevator Products, a division of Bella Elevator, has fabricated custom elevator gates and doors in the Midwest for residential and commercial projects. Each gate is built to the customer’s specifications, with made-in-USA production and designs intended to meet current ANSI/ASME safety requirements. The Roanoke, Illinois, company also makes space guards for older elevator installations where the gap between the hoistway door and car gate needs to be reduced.
Built from a 1991 chemical-research business and refocused on remediation in 2005, Enviroguard Corporation manufactures restoration chemistry and equipment while providing direct technical support and training. The company is best known for its factory-direct approach and proprietary REACT|EXTRACT™ system, which combines chemical neutralization with extraction to streamline mold and other restoration work. Based in Newland, North Carolina, Enviroguard supports Certified Firms across more than 15 states.
Founded in 1972, Easton-based Environmental Concern Inc. is a nonprofit wetland restoration organization that designs and builds living shorelines, restores wetlands and grows native plants for Chesapeake Bay projects. Its restoration division has helped restore more than 50 miles of shoreline, while its nursery—identified as the nation’s first wholesale wetland plant nursery—propagates more than 100 native species from locally collected seed. The organization also provides wetland education and professional training from the perspective of practitioners doing the work.
For more than 20 years, EPI Colorspace has been the in-house visual partner behind branded spaces for cultural institutions, universities, and commercial properties in the DMV. The Gaithersburg company is known for carrying projects from concept through installation, including environmental graphics for George Washington University and the Smithsonian.
From its Annapolis headquarters, Epic Optix designs optical-engineering systems that tackle specialized problems in aviation and portable display technology. Its signature Epic Eagle brings a full-color, true head-up display—technology long associated with military aircraft—to general-aviation cockpits, while the compact Epic Event projector is built for sharing media on the move. The company’s international founding team combines optical, mechanical and electronics engineering to develop practical systems around common components and controlled costs.
Epimoni Consulting Group develops security and defense solutions while operating business units for training, medical services, manufacturing, and supply-chain logistics. Its work spans specialized security education—from cybersecurity to forensic war-crime investigation—and the procurement and distribution of resources, with an emphasis on American-made products and services.
Founded in 2016 by veteran MBE growth engineer Ryan Enck, EpiTech builds customized electronics for molecular beam epitaxy reactors and helps operators repair, maintain, and modernize their equipment. The company’s products are designed by MBE engineers for day-to-day usability, while its team brings more than two decades of experience growing epitaxial films and working across reactor manufacturers, including support for older Gen II systems.
EPS Corporation grew from a family business founded in 1983 by Francesco A. Musorrafiti and his daughter, Antoinette “Toni” Musorrafiti, in a room over their garage. Today, the woman-owned small business employs more than 250 people, with Toni still involved in daily operations, and supports military and federal customers worldwide through systems engineering and related technical services. Its work is backed by ISO 9001:2015 certification, AS9100D, and CMMI-Development Level 3 processes.
Nearly a century after Ernest Maier Sr. began making masonry blocks by hand in 1926, Ernest Maier remains a family-owned and operated company rooted in hard work, honesty and service to its community. The Mid-Atlantic business now supports construction projects with concrete and other building materials for contractors, architects, engineers and homeowners.
ES Flagpoles sells and fabricates aluminum and fiberglass flagpoles, including residential and commercial configurations, and provides flagpole installation, repair, refinishing, lighting, and climbing services. The company serves residential, commercial, municipal, military, government, and educational customers across Maryland, Delaware, Virginia, Washington, DC, and Pennsylvania.
Founded in 1904 after Oscar Kjellberg developed the world’s first coated welding electrode, ESAB makes welding and cutting equipment, consumables, and fabrication technology. From its origins in welding history, the company has grown into a global manufacturer serving 147 countries through 26 manufacturing plants and more than 40 global and regional brands.
Woman-owned ESP Controls has been building custom industrial control panels since 1984 from its base in Owings Mills, serving manufacturers and distributors throughout the Baltimore/Washington corridor. Its work ranges from one-off projects to production runs of several thousand panels, with designs tailored to each customer's operation. The company is a UL-listed shop and has also been classified for elevator control panels.
Founded by Johns Hopkins materials scientist Jonah Erlebacher, ETCH, Inc. develops clean hydrogen and solid carbon from natural gas through its patented ETCH Process™. The process produces no carbon dioxide or toxic waste and uses no water, while scaling from distributed installations to utility-scale facilities. ETCH’s technology is designed to decarbonize existing industrial and power assets while creating usable solid carbon as a coproduct.
Sydney-headquartered Etherstack develops and licenses wireless communications technology for mission-critical voice and data, while also building tactical products and digital radio systems. Its distinctive strength is waveform and land-mobile-radio expertise: the company says its software is used by more than 70% of LMR radio manufacturers, with waveforms ported to over 20 radio platforms. Etherstack has maintained R&D and support centres in Australia, the United Kingdom, the United States and Japan for more than 20 years.