Manufacturer Directory
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MD
For more than two decades, Washington Glass School has been a community-centered home for artists and students exploring glass in the Washington, DC area. Its Mt. Rainier studios provide hands-on instruction for beginners and experienced artists, while affiliated public-art work extends that shared practice into civic spaces such as Bladensburg Library.
Formed in 1938 by Royden H. Wood, Washington Wilbert Vault Works makes burial vaults and cremation urn vaults while providing burial services for the greater Washington, D.C., metropolitan area. One of Wilbert’s earliest licensees—number 13—the Laurel, Maryland, company is now owned by Royden H. Wood III and Christopher J. Wood and also supplies cremation urns and Redi-Rock retaining walls.
Founded in 2008 and based in the Washington, D.C. area, WD Advanced Materials manufactures fully traceable, U.S.-made chemical vapor deposition (CVD) diamond substrates and thin films for advanced technical applications. The company grew from pioneering laboratory-grown gemstone production into a materials specialist focused on electronic, quantum, and optical-grade diamond, supported by exclusive worldwide rights to single-crystal CVD technology secured through the Carnegie Institution for Science in 2011. Its patent-protected processes and established infrastructure support repeatable commercial production of purpose-built diamond materials.
WDI WORKS provides custom window treatments and upholstery, including blinds, motorized shades, shutters, custom drapery, roman shades, top treatments, bedding, and commercial seating. It offers specification, project management, upholstery workroom services, and installation for the architectural, design, healthcare, senior living, hospitality, and residential markets.
Weakness For Sweetness pairs Jamaican cooking with custom cakes made fresh on site, giving Greenbelt diners both hearty Caribbean meals and made-to-order desserts under one roof. Its cake gallery showcases personalized creations made by customer request, while the kitchen also caters events and offers Jamaican favorites such as jerk chicken and oxtail.
Since 1999, the Weaver family has built custom sportfish yachts in Tracys Landing, shaping each vessel around the owner’s input from project design through construction. The company’s builds range from bay boats to its largest yacht, the 97-foot “18 Reeler,” with a long record of completed vessels and an emphasis on hands-on craftsmanship and customer relationships.
Wecost Inc. is a Bethesda-based government contractor known for supporting government agencies, large companies, and DOD and military contracts. The company manufactures drones and helps clients manage the operational demands of federal contracting.
Founded in 2008, Weinberg Medical Physics is a medical-device incubator developing compact MRI systems, magnetic-particle technologies and related therapies for clinical use. Based in Rockville, the company combines ultrafast MRI with low-power electropermanent magnets and engineered nanoparticles, turning its work into self-sustaining ventures such as Promaxo, Radialis and Brain Biosciences.
Founded by Bruno Weinschel, Weinschel Associates designs and manufactures broadband RF and microwave passive components for commercial and military markets. The company draws on a 40-year legacy while applying modern engineering and production methods, with custom parts available for specialized requirements. Its products are made domestically and sold to customers internationally.
Welch Mechanical Designs, LLC designs and manufactures high-precision optical systems, instrumentation, support equipment, and optomechanical products. Its capabilities include optical engineering, CNC machining, single-point diamond turning, optics production, coatings, integration, alignment, testing, and FAA certification for commercial, military, aerospace, medical, telecommunications, energy, and scientific applications.
Weller Truck Parts traces its roots to Harry Weller’s 1928 auto-parts business in Muskegon, Michigan, and has grown into a 100% employee-owned company with a nationwide distribution network. Since launching its heavy-truck division in 1973, Weller has built its reputation around remanufactured drivetrain components and practical support for fleets and repair shops.
Serving the greater Washington, D.C., area since 1965, Welsh Printing is a Falls Church print shop focused on custom, deadline-driven work rather than printing as an add-on to another business. It handles most projects in-house, bringing printing, design and professional mailings together for businesses, associations and nonprofit organizations. The shop is especially suited to small runs and unusual jobs that other copy shops may send elsewhere, with a team whose combined industry experience totals 60 years.
Wen’s Foods makes tofu, yuba, and seitan in Baltimore using locally sourced non-GMO soybeans and traditional artisanal methods passed down through the family for nearly 400 years. Its plant-based foods use simple natural ingredients without preservatives, connecting an old Chinese tofu-making tradition with Maryland-grown soybeans.
Founded in 1944 when Mel Wenger purchased a mill in Rheems, Pennsylvania, Wenger Feeds manufactures custom poultry, swine and dairy feed for farms across the Mid-Atlantic. Its in-house nutritionists and research barns shape made-to-order rations, while a network of ten milling locations supports fresh, consistent delivery. Wenger Feeds also operates a local nutrition and quality laboratory and holds ISO 9001, ISO 14001 and ISO 45001 certifications.
From its 32,000-square-foot facility in Westminster, WES Pharma Inc develops and manufactures technology-driven specialty generic drugs for U.S. markets, spanning both prescription and over-the-counter products. The privately owned company takes products from in-house research and formulation through FDA approval and manufacturing, with particular focus on technically difficult, niche medicines. Its scientific team works across solid and liquid dosage forms, including products facing solubility, stability, and complex bioequivalence challenges.
Since 1976, Western Industrial Machining has produced precision-machined parts, sheet-metal components, and mechanical assemblies for industrial and government customers from its Hampstead shop and Westminster satellite facility. The locally owned Maryland manufacturer combines hand craftsmanship with computerized machining and maintains an ISO 9001:2015 quality system, with climate-controlled inspection stations supporting its work. Its four welding stations and in-house finishing and assembly capabilities allow projects to move from fabricated metal parts to completed assemblies under one roof.
Family-owned Westminster Hydraulics has been part of Taneytown’s industrial community since 1979, earning recognition for the careful, customer-specific work behind its custom articulating boom trucks. The company supports operators across the Mid-Atlantic and all 50 states with equipment service and repair, particularly for businesses that depend on hydraulic vehicles to keep working.
Founded in 2007 by defense-aerospace engineers, Frederick-based WGS Systems develops deployable intelligence, surveillance and reconnaissance systems for military, intelligence and law-enforcement organizations. The Maryland small business combines systems engineering with in-house product development to support missions from concept through field operations, including custom solutions for manned and unmanned platforms. WGS Systems is AS 9100:2016 certified and serves the U.S. government as a certified small business.
Co-founded by University of Maryland and Yale researchers, WH-Power develops and commercializes next-generation battery technologies from its laboratory in College Park. The company’s portfolio includes rechargeable interhalogen batteries designed for long-distance transport and grid storage, along with lower-cost micro-silicon anodes and cellulose- and shell-derived sustainable battery systems. Its work has received support from the U.S. Department of Energy’s ARPA-E programs, including a $1.5 million project focused on electric rail and maritime transportation.
WheelTug is developing in-wheel electric motors that let commercial aircraft taxi without using their jet engines or airport tugs. The company’s system is backed by letters of intent from more than 25 airlines representing over 2,000 aircraft, with final assembly and system kitting planned at its 37,000-square-foot WheelTug Works facility in Baltimore. Its engineering and quality plans have been accepted by the FAA as it advances toward certification and manufacturing approval.