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Lehna Technologies LLC develops proprietary software, integrated systems and testing services that help engineers see, measure and control noise, vibration and manufacturing quality. Its SynPAD acoustic-imaging system visualizes three-dimensional sound sources in real time, while SynNVA gives engineers a practical way to analyze noise and vibration without becoming instrumentation specialists. The company also builds customized in-line quality-control systems and develops LabVIEW applications for industrial testing and data acquisition.
Leidos is an industry and technology company serving government and commercial customers, with approximately 50,000 employees and headquarters in Reston, Virginia. It develops and manufactures mission-ready systems, transitioning prototypes into production through vertically integrated engineering and manufacturing capabilities. Its work spans defense and national security alongside health, infrastructure, and other commercial and government missions.
Family-owned and operating from a 154-year history, Lenderking is a Cambridge, Maryland, manufacturer of animal enclosures for research and companion-animal facilities. Its designs are shaped around animal welfare and decades of daily use, with custom consultation available when a standard enclosure does not fit a facility’s needs.
Founded in 1889 as Walter Scott Lenox’s small art studio, Lenox Corporation creates tabletop and home goods shaped by more than 130 years of American craftsmanship. Its porcelain and bone china heritage includes becoming the first American china company used at the White House in 1918, with six presidents and first ladies later commissioning Lenox state dinner services. Today, the company brings that design tradition to contemporary dining and seasonal décor, including its distinctive Lenox Spice Village collection.
Founded by Joseph d'Entremont in his garage in 1981, Lenox Laser makes precision-drilled microholes, apertures, slits, and flow-control orifices for demanding applications. The Glen Arm company works across materials ranging from metals and glass to plastics and ceramics, producing features as small as 0.5 microns and calibrated micro-leaks used in pharmaceutical packaging. Its measurement and calibration work follows NIST-traceable practices within an ISO/IEC 17025:2017 quality system, and its components have reached space satellites as well as customers worldwide.
Founded in 1987 as a one-room manual machine, tool and die shop with a single Wire EDM, Lenson Machine Inc. now operates a 9,000-square-foot, climate-controlled manufacturing facility in eastern Baltimore County, producing prototype and production parts through CNC machining and precision EDM work. Its 14 CNC machines and supporting manual equipment also allow the company to handle stamping, tool fabrication, and selected mold and die repairs, from one-off parts to production runs in the thousands. Lenson is ISO 9001:2015 certified, with measurement equipment certified and traceable to NIST.
Family-owned and operated since Leonard Marks founded it in 1953, Leonard’s Draperies has grown from an Arlington, Virginia, retail store into a commercial window-treatment manufacturer. Today, the company’s work is rooted in centralized manufacturing in the Washington, D.C.–Baltimore corridor and serves regional commercial projects with custom draperies and shades.
Founded in 1969, Leonardo DRS is a defense technology manufacturer headquartered in Arlington, Virginia, supplying advanced systems to U.S. national security customers and allied forces. Its operations include a broad naval electronics manufacturing business and specialized sensing technologies, with more than 600,000 square feet of manufacturing and test space across eight naval electronics locations.
Les Petits Bisous is a boutique bakery in scenic Havre de Grace specializing in colorful French macarons and custom macaron cakes. Emily has been the baker behind its treats since buying the business in 2019, and the bakery now continues under new ownership with Emily still helping preserve its recipes and quality. Daily offerings also include pastries and other sweets, while rotating flavors and custom designs give the shop a distinctly personal touch.
Letterpress is a Karachi-based stationery studio known for turning personal celebrations into tailored paper pieces. It creates custom wedding invitations and other personalized stationery for families, children, and corporate clients, with ornamental envelope work giving its designs a distinctive character.
LIB SRC INC is a selective engineering company built around senior technical leadership and practical training for younger engineers. From its Myersville, Maryland facility, the team develops communications and electronic-warfare systems primarily for U.S. military and state government organizations, taking on technically novel programs that require original research.
Libration Systems supports spacecraft from integration and environmental testing through launch operations while also designing and fabricating custom satellite electronics and ground-support hardware. Its aerospace work spans flagship missions such as the James Webb Space Telescope as well as satellite constellations, CubeSats, and scientific balloon projects. Based in Albuquerque and Bowie, the company employs NASA- and IPC-J-certified fabricators and provides training to those standards.
For more than 50 years, Life Science Products has built its reputation around hygienic environments for biomedical, pharmaceutical, healthcare, and research facilities. The Chestertown company is known for combining product design with practical project support, including its long-established Sani-Rail® wall protection system and construction services for sensitive facilities.
Born from a hand-trauma patient’s experience and a surgeon’s clinical insight, Lifejoint Orthopedic Solutions develops a small-joint replacement device for people with advanced hand arthritis. The Maryland company brings together patient-led design and hand-surgery expertise to pursue pain relief and preserved motion where current finger-joint replacements can be unpredictable. Lifejoint is a woman-owned small business, led by co-founder and CEO Marcia Hart alongside hand surgeon Dr. Ryan Katz.
Founded by a hand-trauma patient and her surgeon, Lifejoint Orthopedic Solutions is a Maryland medtech venture developing a small-joint replacement device for people with advanced hand arthritis. Co-founder Marcia Hart’s own table-saw injury exposed the limited options available to patients, while co-founder Ryan Katz brings experience as a Johns Hopkins-trained hand surgeon and educator. The company is pursuing research and FDA approval for an implant designed to relieve pain while preserving motion.
Lifeline Cell Technology develops and manufactures purified primary human cells, stem-cell products, and optimized cell-culture media for laboratory research. Its founders helped introduce normal human cell systems more than 25 years ago, and the company now operates an 8,000-square-foot laboratory and administrative facility in Frederick, Maryland as a wholly owned subsidiary of International Stem Cell Corporation. Lifeline also supports researchers through scientist-led technical assistance and an international distributor network.
LifeStraw grew from a simple pipe filter developed to support the Carter Center’s Guinea worm eradication work into a purpose-driven maker of tested water filters and purifiers for homes, travel, outdoor use and emergencies. Its products are designed to remove contaminants such as bacteria, parasites and microplastics, while the company’s Give Back program provides a year of safe water to a child in need for every product sold. LifeStraw has distributed more than 38 million Guinea worm filters since 1994 and reports that over 11.8 million children gained safe-water access through its programs.
Founded in 2004, family-run LifeTime Solutions Ltd. develops and blends eco-friendly, biodegradable cleaning products for private brands at its facility in Newcastle, Ontario. The company can take a product from formulation through bottling, labeling and shipping, including proprietary solutions and custom research and development for specialized industries. LifeTime also holds Canadian distribution rights for Cimex cleaning machines and Releasit encapsulating carpet technology.
Lifoam Industries, LLC manufactures expanded polystyrene (EPS) products, including foam coolers, and describes molding EPS from expanded resin beads. The company is part of Newell Brands and presents consumer, commercial, and life-sciences business areas.
Lift-A-Loft Corporation designs and manufactures aerial work platforms, with roots in truck-mounted lifts built for streetlight service in the 1940s. The Muncie company produced its first LAL model in October 1952 and now draws on more than 70 years of experience and thousands of custom lifts to serve airline, industrial, municipal, and contractor applications. It also supports its equipment with factory-certified inspections, training, repairs, and parts.