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 2041-2060 of 2792 results
MD
With more than 160 years in business, R.R. Donnelley & Sons Company (RRD) produces packaging and print while also delivering marketing and business services for brands worldwide. Its 175-plus locations across 30 countries combine physical production with proprietary technology, data analytics, and customer-communication expertise. RRD has ranked first on the Printing Impressions 300 list for more than four decades and serves 92% of the Fortune 100.
With more than 160 years in business, R.R. Donnelley & Sons Company (RRD) combines large-scale manufacturing with marketing and business services, producing print and packaging while helping brands manage customer communications. Its 175-plus locations, 35,000-plus employees and operations in 30 countries give the Chicago-headquartered company unusual reach, while proprietary technology and data analytics connect work from strategy through execution. RRD has topped the Printing Impressions 300 list for more than four decades and serves organizations ranging from Fortune 100 brands to regulated industries.
Under new leadership in Prince Frederick, R&R Fabrication runs a working shop that fabricates and processes structural steel for general contractors and fellow fabricators across the Mid-Atlantic. The company is set up for both complete projects and process-only or overflow work, with direct communication and straightforward pricing at the center of its operation. R&R is an AISC Certified Fabricator and follows AWS D1.1 structural welding standards.
Founded by Rachel Brooks, Rachel’s Hair Loft creates customized human-hair wigs and hair solutions, with a particular focus on cranial prostheses for people experiencing medical hair loss. Brooks is a certified Cranial Prosthesis Specialist who helps clients navigate insurance coverage, serving the DC, Maryland, and Virginia area while offering out-of-state services by request. Its made-to-order units arrive pre-plucked, styled, and ready to wear.
RackTop Systems is a DC Metro company founded in 2010 by veterans of the U.S. Intelligence Community, whose firsthand experience protecting sensitive information shaped its work. The company develops cyberstorage for organizations that cannot afford to lose control of critical data, with its BrickStor platform defending files directly where they are stored.
Founded in 1987 to commercialize research supported by the New York Energy Research and Development Authority, Rad Elec manufactures the E-PERM® System, a patented electret ion chamber technology for measuring radon and other ionizing radiation. The Frederick company has continued developing the technology through research agreements with Oak Ridge National Laboratory and NIST, extending it to applications including neutron measurement and uranium exploration. Its instruments are used in more than 30 countries, and Rad Elec staff have co-authored more than 50 peer-reviewed papers on electret ion chambers.
Since its formation in the District of Columbia in 1969, AMSAT has been a worldwide educational nonprofit shaped by amateur radio operators and volunteer labor. Known for its “home-brew” approach, the organization gives radio amateurs a way to participate in space communication while advancing practical space technology. Its volunteers have helped place more than 60 amateur radio satellites into orbit.
Founded by trained pharmacist and cosmetic chemist Reham Essa, Radixir makes natural skincare for acne-prone and aging skin, including its Confidence serum and moisturizer. The brand grew from Essa’s search for gentler solutions for her daughter’s allergies and her own adult acne, combining botanical ingredients with potent actives in streamlined routines. Radixir’s Confidence Serum received the 2022 Beauty Innovation Award, while its skincare and Ice Globes have also earned notable beauty-press recognition.
Since 2001, Southern Maryland’s Radnor Manufacturing has operated as a precision machine shop, using CNC machining to make close-tolerance parts for commercial and government customers. Its Leonardtown facility supports both production runs and single-piece prototypes, with three vertical machining centers and three turning centers. Radnor has held ISO 9001:2015 certification since 2010, underscoring its focus on dimensional verification and consistent quality.
Since 1993, RAFAEL USA has been part of the American defense landscape, adapting its parent company’s combat-proven technologies to U.S. military requirements. The company manufactures those systems in the United States through subsidiary and partner facilities, supporting American forces with solutions such as IRON DOME and TROPHY.
Since 1984, RagLady has focused exclusively on supplying industrial wiping cloths and shop towels to businesses from its Stevensville, Maryland warehouse. Its narrow specialty supports consistent grading and deep inventory, while free samples help customers choose the right wipe for applications ranging from manufacturing to controlled environments. RagLady is also registered in SAM.gov and qualified to bid on federal contracts.
Founded in 1986 as Railway Products Group (formerly RailPlan International), the company designs and manufactures products for the railroad and transit industry. It describes itself as a manufacturer of small- to medium-scale parts and has a Baltimore manufacturing and engineering center; it also identifies as a woman-owned business.
With a consulting heritage spanning three decades, Rainmaker Venture Group, L.L.C. is a Maryland firm serving private- and public-sector missions. Its Little Creek Solutions division, formed in 2015, develops and protects commercial and defense intellectual property, much of it kept confidential because of sensitive applications.
RAMPF Molds Industries, Inc. is a Hagerstown, Maryland manufacturer whose customer orders are made specifically to their requirements. Its published terms describe a company that retains the know-how behind designing and producing those custom products for its customers.
Founded around the clinical work of dentists Dr. Randy Widen and Dr. Marc Doctors, Randmark Dental Products makes NiteBite, a custom-fit dental protector for nighttime clenching, grinding and related jaw pain. The company’s patented appliance is designed to work within the jaw’s freeway space, using the natural jaw-opening reflex rather than forcing the teeth apart, and is FDA-cleared for prescription use. NiteBite can be molded and fitted by a dental professional in about five minutes.
Emerging from Johns Hopkins professor Jun O. Liu’s laboratory, Rapafusyn Pharmaceuticals develops non-degrading molecular-glue medicines designed to reach hard-to-drug intracellular and transmembrane targets. Based on its RapaGlue™ platform, the Baltimore biotech is advancing an early pipeline that includes an ENT1 inhibitor for acute kidney injury, an area where the company says no approved preventive therapies exist. Its discovery engine combines AI-enabled machine learning with a DNA-encoded library containing more than 8 billion non-degrading glues.
Founded in 2022 at St. Mary’s County Regional Airport, Rapid Response Research Group develops, integrates, and flight-tests airborne sensor and communication systems for defense and commercial aviation. The small business is built around deployable aircraft and personnel, supporting manned and unmanned platforms with particular experience in maritime patrol, telemetry, and ISR missions. Its team brings more than 40 years of combined experience across engineering, flight operations, sensor testing, and aircraft integration.
Rare Morsel is a Frederick, Maryland chocolatier and specialty food shop led by head chocolatier and owner Cody Marwine, who purchased the business in 2021 after working at the former Perfect Truffle since 2011. Alongside rotating handmade chocolates, the shop makes ice cream in-store daily and has broadened its shelves with artisan nonalcoholic drinks, imported sweets and savory provisions. Rare Morsel also creates personalized chocolate favors and gift boxes for weddings and corporate occasions.
From Gaithersburg, RareGlo Organic Shea Products makes small-batch, vegan plant-based skincare and haircare, led by Rhonda Walters after more than 40 years in the beauty business. Her whipped shea butter blends and serums grew out of personal skin issues and training in aromatherapy and holistic beauty, with products designed for nourishing skin, hair and nails without harsh commercial ingredients.
Locally owned and operated in Frostburg, Maryland, Raven’s Craft has spent more than 30 years designing and building custom cabinetry for kitchens and bathrooms. The company also sells and installs countertops and creates made-to-measure closets and wardrobes, working with homeowners across western Maryland and West Virginia. Raven’s Craft is licensed, bonded, and insured in both states.