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Trusted Systems, founded in 1988 after Robert Bauman developed a “computer safe” while working with Los Alamos National Laboratory, builds physical endpoint-security solutions for classified networks. The all-American company pioneered the IPS Classified Security Container—its “SCIF-in-a-Box”—and has since expanded that work into deployable classified workstations and integrated access and intrusion protection. Its products are designed for organizations that need secure network equipment and communications without relying solely on a permanent facility build-out.
Founded in 2004, TRX Systems develops assured positioning, navigation and timing systems for military and other users operating where GPS is degraded, denied or compromised. Its NEON technology grew from work locating public-safety personnel indoors into products shipped by the thousands, while the company’s TRX DAPS II is now being produced for the U.S. Army’s dismounted warfighters. Based in Greenbelt, Maryland, TRX combines more than 20 years of research with 50 U.S. patents and is an ISO 9001:2015 registered organization.
Born from a love of Baltimore’s grit and character, Tsao Baltimore has been making Maryland-designed and Maryland-built watches since 2017. Its timepieces carry distinctly local stories, including an OLD BAY collaboration, while the company also serves watch owners through its Baltimore-based repair shop. Tsao Baltimore is the Proud Watch Company of the Baltimore Orioles and the Official Timepiece of University of Maryland Athletics.
TSP Enterprises, LLC is a Michigan company built by five principals with deep automotive manufacturing experience, including work in product design, engineering, and logistics. Its signature product, the Pickup Tuck, grew from inventor Jim Todd’s practical solution for retrieving hay bales that had slid toward his truck cab while tending horses in Marshall. The company makes the portable cargo organizer in Michigan for pickup owners who need more accessible, contained bed storage.
Known for treating every project as a one-off, TSR Electric Inc. is a Baltimore systems integrator that designs and builds custom industrial control panels. Its work supports specialized infrastructure such as drawbridges and water facilities, with UL508A and UL698A authorization for industrial panels, including those serving hazardous classified locations.
TubeANew makes replacement tops and reusable plastic cartridges that help people get more use from clogged, damaged, or empty caulk tubes. Its patent-pending replacement top fits standard caulk tubes made from plastic, cardboard, or metal, while its refillable HDPE cartridges are designed for DIY repairs and custom mixtures. The products are intended to reduce wasted caulk, repeat hardware-store trips, and discarded tubes.
Since 1972, locally owned Tuckahoe Seafood has supplied Richmond with fresh seafood alongside house-made prepared foods and carefully selected groceries. The shop buys seafood in small quantities, so its selection changes daily, and its kitchen prepares dishes from scratch using local ingredients. Drew and Stephanie Lucas and Blake Evans purchased the long-running Richmond shop in 2018, continuing its focus on responsible sourcing and personal guidance for customers.
Born from Harry and Lena Tulkoff’s Baltimore grocery ventures, Tulkoff Foods makes horseradish, sauces and flavor ingredients for foodservice, retail and food manufacturers. What began with Harry preparing horseradish by hand has grown into a nearly century-old, third-generation family business with facilities in Baltimore and Cincinnati. Alongside its signature horseradish heritage, Tulkoff develops custom formulas and provides high-volume co-packing from concept through production.
TW Products manufactures forged rigging hardware and has expanded that in-house work into a single-source supply of wire rope, chain, and finished assemblies. The company stands out for its unusually broad hook range—more than 1,000 types from G30 to G100—and for developing custom chain and rigging assemblies to ease customers’ labor needs. TW Products is SBA Women-Owned Small Business certified and backs its products with a one-year warranty.
Family-owned and operated in Silver Spring, Maryland, Twigg Homemade makes custom hardwood religious items, keepsake gifts, and home décor. Maker Jerry Twigg combines more than two decades of civil-engineering design experience with hands-on woodworking, personally selecting and milling lumber before finishing each piece in the workshop. Rooted in the family’s Catholic faith, the business is especially known for personalized sacramental boxes, crosses, and its children-drawn wooden saint cards.
Tyson Foods is a protein-focused food producer that processes chicken, beef, and pork and makes prepared foods for customers in the United States and international markets. Founded as an international operation in China in 2001 and tracing its company story to hard work and family purpose, Tyson reports $54 billion in fiscal year 2025 sales and about 133,000 team members as of February 2026. Its business spans food production, processing, and distribution, with brands including Tyson, Jimmy Dean, and Hillshire Farm.
Founded in 1976 as an oil-blending operation, U.S. Lubricants has grown from its original Wisconsin facility into a family-owned national manufacturer and distributor. Its in-house lab helped build a lasting specialty in custom formulations, while four U.S. blending facilities now support customers across automotive and industrial markets.
Known for more than 20 years of helping organizations keep essential services running through disruptions, U.S. Mobile Kitchens builds and supports temporary foodservice facilities for emergency, institutional and industrial settings. The company operates manufacturing and rental facilities in four states, including a 72,000-square-foot facility in Baltimore, and offers custom-built solutions alongside ready-to-ship units.
U.S. Valve Corp. carries forward the Techno check-valve tradition, whose elastomer-hinge design was first patented in 1952, from its Linthicum, Maryland facility. After acquiring the Techno product line from Cameron in 2016, the company has focused its manufacturing on low-pressure-drop check valves for industrial applications. Its Maryland operation is ISO 9001:2015 certified and typically assembles and tests orders within one to two days.
U.S. Venture is a family-owned business founded in 1951 as Schmidt Brothers Oil Company in Kimberly, Wisconsin. Today it operates across transportation products, energy, lubricants, logistics sustainability, and tax-compliance businesses; its U.S. Lubricants division manufactures and distributes lubricant products and fluid solutions. The company reports more than 5,000 people and 120-plus locations.
Since 1967, U.S. Vinyl Windows and Doors has manufactured custom windows and doors for residential and commercial customers in the Northern Virginia, Washington, D.C., and Maryland suburbs. Based in Upper Marlboro, the company combines hands-on craftsmanship and extra inspection with experienced customer service, supplying projects ranging from replacement work to commercial developments of more than 3,000 openings. Its historic-window work includes National Park Service-sanctioned certified rehabilitation, while its products are backed by lifetime warranty coverage.
From its Jessup, Maryland operation, UAV Solutions, Inc. designs, manufactures and tests unmanned aircraft and the mission hardware that supports them. Its portfolio spans tactical aircraft such as the U.S.-manufactured Ghost 60, compact expendable systems and custom operator controls, with products developed for military, industrial and homeland-security missions. The company also draws on prior work with programs including the OSD Rapid Innovation Fund CEUAV effort and the IWTSD Affordable small UAS program.
Founded in 2017 by Maurizio Cunningham-Brown, UBC Global Holdings develops and manufactures lightweight, energy-dense modular batteries for vehicles and energy storage. Its patented Duophasic technology underpins the company’s production-ready Duophasic COR battery, which UBC says exceeded EUROBAT’s 2030 targets in 2021, while its Hyde manufacturing plant supports the move from battery innovation into commercial production. Through its BrightSpark division, UBC also dedicates part of its production to expanding access to sustainable energy in emerging economies.
From its Maryland base, ubld.it makes USB hardware random-number generators and practical electronics kits for builders, developers, and experimenters. Its TrueRNG line uses semiconductor avalanche noise to produce physical entropy, while the company’s small-board products extend to MIDI, embedded debugging, and audio projects. ubld.it also helps small businesses and entrepreneurs move custom PCB ideas from concept through prototyping and production support.
Founded in 2013 on the foundation of Beijing Meikemei Biotechnology Development Co., Ltd., Ucallm develops biomedical laboratory consumables, with a particular reputation for ultra-low-adsorption products used in 3D cell culture and organoid research. The company also offers customized cell-culture products and supports research, cell therapy, and drug-development programs through partnerships with more than 2,000 global brands.