Manufacturer Directory
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MD
A fifth-generation family-owned business founded in 1859, Lindenmeyr Munroe has built its identity around local service for commercial printers and other businesses. From its regional warehouses, the company distributes paper and packaging while providing the sales support, logistics and equipment expertise customers need to keep production moving.
Baltimore native Lindsay Hargrave turned a quest begun in the early 1990s into Lindsay’s Southside, a maker of fresh cocktail mixers built around real lemon juice and mint. The company also produces Bloody Mary mix and ready-to-drink seltzers, extending a recipe developed through years of gatherings with friends and family. Its playful Maryland identity carries through to George, the Bernadoodle mascot, and Corky, its mobile bar for events.
Founded in 2015 by engineer and audiophile Mark Schneider, Linear Tube Audio builds high-fidelity tube amplifiers and DACs by hand in its Takoma Park, Maryland workshop. Its designs center on David Berning’s patented ZOTL technology, pairing tube naturalness with the clarity and control associated with solid-state audio. LTA’s equipment is built to order, extensively tested, and burn-in tested for a full week before shipment.
Founded in 1985, Linemark is an Upper Marlboro commercial printing company that brings printing, mailing and fulfillment together in a 90,000-square-foot facility serving customers nationwide. Its in-house operation spans offset and digital work as well as custom books, signage and direct mail, with personalized variable-data printing a particular strength. Linemark also pursues more responsible production as an FSC-certified printer and works to reduce waste and chemical use in its plant.
Founded in 2020, family-owned LinerX is a Maryland automotive accessories manufacturer and distributor making custom-fit floor mats and interior liners for a wide range of vehicles. Its team designs and 3D-scans products in Maryland, then tests them for durable, all-weather protection while keeping the styling deliberately simple. LinerX also handles fulfillment and product support from its Maryland operations.
Founded by Jack and Lucille Aellen in 1971, Linganore Winecellars is a family-operated Maryland vineyard and winery producing award-winning wines on 230 acres of rolling countryside. The winery remains a three-generation family affair, with its roots in a former dairy barn and a long-running specialty in fruit and lighter-style wines alongside its grape wines. Linganore also operates as a destination tasting room, with tours and events in its historic barn setting.
Linshom Medical Inc. develops and provides FDA-cleared, non-invasive continuous predictive respiratory monitoring systems for healthcare facilities. Its system uses a thermal sensor and displays respiratory rate, seconds since last breath, and relative tidal volume for adult patient monitoring.
Founded in 2003 by a group of experienced dental technicians, Lintec Technologies is a Maryland-based dental laboratory creating digitally crafted restorations for dental practices and their patients. Its work combines artistic technical craftsmanship with additive and subtractive digital dentistry, while the team also helps clinicians plan complex restorative cases and manage chairside needs. Lintec supports dental care initiatives including Healing Waters and the Alpha Omega Holocaust Survivors Oral Health Program.
Lion’s Wood is a privately held American manufacturer whose Baltimore factory turns hospitality visions into one-of-a-kind commercial furniture. Rather than working from a catalog, its team collaborates with venues from early sketches through production, building each project to order and adapting it to the space and its daily demands.
With more than 25 years in the LED industry, LITELUME Corporation manufactures U.S.-made LED lighting fixtures for commercial, industrial, and residential settings. Based in Towson, Maryland, the company pairs stocked products and short lead times with photometric design support and smart-building control partnerships, including Autani. Its fixtures are offered with DLC and UL qualifications, and Buy America Act-compliant products are available.
From its Columbia, Maryland headquarters, LiteTrace Brands designs and engineers Bluetooth-based lighting controls and building automation systems for commercial facilities worldwide. Founded in 2006, the company developed the Keilton platform and pairs its networked sensors and controllers with Autani software to connect lighting, HVAC, and facility management. Its networked lighting controls have earned UL 1376 security certification and were among the first listed to the DLC Networked Lighting Controls standard.
Created in 2015 by Dr. Kathleen McCue, a family nurse practitioner and International Board Certified Lactation Consultant, LittleBeam Nursing Pillows makes ergonomically shaped, memory-foam supports for breastfeeding and bottle-feeding. The semicircular pillows are designed and made in the USA, with a machine-washable cotton cover and a compact form suited to travel, while also serving for supervised tummy time and propping. LittleBeam grew from McCue’s Metropolitan Breastfeeding practice and was created by a mother with lactation expertise for parents and babies.
LIVMed is a Baltimore medical-technology company whose team brings together robotics researchers, AI specialists, medical-device entrepreneurs, and ophthalmology experts. It develops an AI-guided robotic platform for ophthalmic microsurgery, drawing on a decade of research at Johns Hopkins University to help surgeons perform procedures with real-time guidance and precise control.
Founded as LKC Systems in 1975, LKC Technologies develops visual electrophysiology equipment that measures retinal and visual-pathway function for clinical care and research. The Germantown company is best known for its RETeval handheld ERG/VEP device, introduced in 2013 and installed in more than 3,000 sites worldwide, along with its patented non-invasive Sensor Strip electrodes. LKC is an ISO 13485:2016 and MDSAP-certified, FDA-registered medical-device manufacturer.
Founded in 1968 by Enrico Loccioni and developed with his wife Graziella, this family company creates tailor-made measurement and quality solutions rather than standard products. Rooted in the Marche countryside, Loccioni treats the enterprise as a common good, combining its people’s knowledge and creativity with technology to support clients seeking total quality while contributing to the well-being of its territory.
Since 1993, family-owned and operated Lockbriar Farms has grown fruit on Maryland’s Eastern Shore near Chestertown, pairing a working farm with u-pick fields and farmmade ice cream. The multi-generational Lockwood family also sells fresh produce and value-added foods through its farm stand and regional farmers markets, while using integrated pest management, cover crops, crop rotation and trickle irrigation to reduce inputs and protect the land.
Lockheed Martin Corporation develops and manufactures aerospace, defense and security systems spanning aircraft, missile defense, space technology and cyber capabilities. Its four business areas—Aeronautics, Missiles and Fire Control, Rotary and Mission Systems, and Space—support customers from major operations across dozens of U.S. states and international locations.
Founded as a small lanyard factory in southern China in 2001, Logoidea now creates customized promotional items and corporate gifts through its own lanyard and bag factories and a dedicated sourcing team. The company registered Logoidea Inc. in New York in 2015 and supports U.S. customers with branding, product customization and production oversight, including third-party inspection services for larger orders.
Founded in 1998, Lone Wolf Arms manufactures and supplies aftermarket handgun parts, with a particular focus on Glock-compatible upgrades. The company has made upgraded pistol barrels since the early 2000s, producing them in the United States while using in-house CAD engineering, CNC machining and raw-material quality control. Its lineup also includes complete pistols and suppressor components, extending its long-running role in handgun customization.
Founded in 2016, Baltimore-based Longeviti Neuro Solutions develops cranial implants and neurotechnology platforms for complex brain surgery. Its ClearFit® platform combines skull reconstruction with a Brain Ultrasound Interface, allowing clinicians to image the brain through the implant after surgery, while its low-profile implants are designed to restore the skull’s natural contour and accommodate neurosurgical devices. The company reports 20 U.S. patents, 36 worldwide patents, and several FDA-cleared implants brought to market since 2018.