Manufacturer Directory
Use company names, capabilities, certifications, NAICS codes, and location filters to narrow qualified suppliers faster.
Search by company name, process, material, product, equipment, or capability.
Showing 1921-1940 of 2554 results
MD
Founded in 2011 by former Space Shuttle-support engineer Kush Patel, Laurel-based Relative Dynamics develops aerospace engineering services and technology for government and commercial missions. Its engineering team spans spacecraft operations and systems engineering, while its in-house research group is developing optical communications hardware such as the SCOUT terminal. The company’s work includes support for NASA and NOAA programs, including the International Space Station, Artemis/Gateway and Earth-observing missions.
Established in 1994, RelComm Technologies designs and manufactures RF and microwave coaxial relays and waveguide switches for communications and instrumentation applications. Its Salisbury, Maryland operation produces and ships these products from a 16,000-square-foot facility, supporting uses ranging from military and satellite systems to medical equipment and test instrumentation. RelComm’s application-specific designs operate from DC to 40 GHz and are made in the USA.
Reliant Fish Company is a Welsh family business whose roots reach back to Baltimore’s Fish Market in the late 1930s. Family-owned since James J. Welsh Sr. purchased it in the late 1940s, the company is now in its fourth generation and serves Mid-Atlantic food businesses from Jessup, Maryland. Its long-running delivery operation and custom processing connect that history with the needs of today’s customers.
Founded in Baltimore in 2002, minority woman-owned ReliaSource provides mission-critical IT services to government agencies, combining global field support with citizen-facing technology and modernization work. Its standing network of more than 600 on-demand technicians has deployed over 3.5 million devices worldwide, while its teams also build public-service kiosks and run cloud DevSecOps programs for DoD and intelligence applications. ReliaSource holds ISO 9001:2015 and ISO/IEC 20243:2018 certifications and is designated a Maryland MBE and Virginia SWAM business.
RemBac Environmental develops and deploys patented, in situ bioremediation technology for PCB-contaminated sediments and soils, combining naturally occurring PCB-degrading microorganisms with activated carbon. Baltimore-based co-founders Kevin R. Sowers and Upal Ghosh bring decades of anaerobic microbiology and environmental engineering experience to a method designed to degrade and sequester PCBs while avoiding the disruption of conventional dredging. The company’s work includes pilot treatments at Superfund and other contaminated sites, including documented reductions in PCB mass and bioavailable PCBs.
Founded in June 2000 by Sean Wise, RePliForm, Inc. electroplates 3D-printed plastics and other nonconductive materials to create metal-plastic composite parts. The Baltimore company adapts copper and nickel plating to complex geometries, adding stiffness, durability and functional properties such as EMI shielding while preserving the design freedom of additive manufacturing. RePliForm holds ISO 9001 and AS9100D certification, obtained in 2021.
Established in Japan in 2003 by researchers from Kyoto University and the University of Tokyo, REPROCELL is a biotech company built around pioneering work with human embryonic and induced pluripotent stem cells. It became an early commercial supplier of iPSC-derived human cells and now supports scientists and therapy developers with stem-cell research and clinical development services.
Founded in Baltimore in 1932 as the Radio Electric Service Company, RESCO Electronics now manufactures custom cable and electro-mechanical assemblies for OEMs and provides barcode equipment solutions. The company operates facilities in Baltimore, Madison and Ciudad Acuña with nearly 300 employees, and its history includes supplying components for Westinghouse’s Apollo Camera Program. RESCO’s ISO 9001:2015-registered quality system supports its work across medical, industrial and defense applications.
For 35 years, Rescue Phone, Inc. has made crisis-negotiator telephone systems for law-enforcement agencies, including the compact QUAD module and cellular response console. Based in Jessup, Maryland, the company sells directly to agencies without distributors or sales representatives and says its equipment is used by more than 20,000 hostage negotiators, including all 56 FBI field offices. Rescue Phone’s products carry a five-year warranty, and more than 3,000 units have been sold worldwide.
Founded in 1998, Research and Engineering Development, LLC is a small defense-business contractor that connects human-systems engineering with irregular-warfare support, cybersecurity, and emerging autonomous technologies. Based in California, Maryland, RED brings former military operators and defense-acquisition specialists into work ranging from warfighter-focused system integration to its tube-launched MOSQUITO unmanned aircraft, designed for persistent tracking in GPS- and communications-denied environments. Its processes are identified as compliant with DoD 5000.2 and SECNAV 5000.2C requirements.
Founded in 2008, Resensys is a Beltsville company known for developing compact wireless technology to help protect aging infrastructure from malfunction. Its SenSpot™ system provides remote, real-time monitoring for structures such as bridges and buildings, and its research roots include support from the National Science Foundation.
Resilient Power Works is a Maryland energy technology company collaborating with Pillar Innovations to bring its American-made power systems to market. The company focuses on helping utilities, municipalities, and other energy users strengthen local grid resilience through distributed generation.
ResinTech is a family company that began in a basement in the mid-1980s and now operates a major U.S. manufacturing campus in Camden, New Jersey. Its nearly 400,000-square-foot headquarters supports American-made water-treatment manufacturing for customers ranging from municipal systems to laboratories, with the main facility LEED Silver certified and production conducted under ISO 9001 standards. The company also maintains additional facilities that help serve customers in more than 100 countries.
Founded by Y. Maria Martinez in 2001, Respira Medical was a Mid-Atlantic home-care company known for its compassionate service to patients and clients. It provided respiratory care and home medical equipment before ceasing business operations on March 9, 2018.
Restoration East, LLC is a Mid-Atlantic contracting and structural restoration company specializing in reinforced-concrete restoration and protection. Its in-house fabrication shop designs and manufactures custom steel and metal components, including trench drains, grates, railings, supports, platforms, covers, brackets, and structural steel components, while providing concrete, structural steel, waterproofing, coatings, drainage, surface preparation, and façade restoration services.
Founded in 2004 by researchers, engineers, and patient advocates, Restorative Therapies develops integrated Functional Electrical Stimulation (FES) systems for neurological rehabilitation in clinics and homes. Its RT300 and Xcite2 devices use coordinated electrical stimulation to support repeated movement and task-specific therapy for people with paralysis and other neurological impairments. The company’s systems are now used in more than 1,000 clinics and 4,000 homes worldwide, backed by more than 20 years of clinical training and support.
Retiina is an engineering automation company that designs, manufactures, installs, and supports custom equipment for material handling and other demanding applications. Its systems pair machine vision and artificial-intelligence software with electromechanical engineering, including sortation and classification solutions built for specific customer facilities. In 2024, the company was named a USPS Supplier of the Year for its work integrating and installing Matrix Regional Sorters in Atlanta and Chicago, with installation continuing in Indianapolis.
Founded by law enforcement for law enforcement, Silicon Valley startup Revelen.ai builds AI-driven tools for firearm-crime investigations. Its ShotOptix handheld 3D scanner captures cartridge casings at crime scenes and sends them to an AI platform that can return investigative leads within minutes. The company’s team combines law-enforcement experience with expertise in artificial intelligence, engineering, and forensic technology.
RF Bay, Inc. designs, manufactures and sells high-performance RF and microwave components, giving engineers direct online access to U.S.-made hardware spanning frequencies from under 1 kHz to above 50 GHz. As an Ironwave Technologies company, it pairs direct purchasing with tailored, cost-conscious solutions for customer-specific requirements, backed by a one-year standard warranty.
From its Sun City Center, Florida base, RF Depot Inc. manufactures and sells custom coaxial cable assemblies and RF components, with assemblies made in the USA to customer specifications. The company offers standard configurations for quick turnaround as well as custom work, and tests products for electrical performance before shipment. Its IPC/WHMA-A-620 certification reflects the workmanship standard used for its cable and wire harness assemblies.