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With more than eight years in the industry, U.S.-headquartered HH Processors develops and manufactures ready-made and custom dietary supplements and personal-care products for brands. Its in-house R&D team provides science-backed formulation alongside flexible production, FDA-registered facilities, and support from concept through launch. A dedicated project manager and bilingual business-development team give the company a notably hands-on approach to client partnerships.
Incorporated in Maryland in 1987, HI-TECH Business Systems—doing business as HI-TECH RFID—builds and integrates RFID inventory and asset-tracking systems for military, government, healthcare, and university operations. Its distinctive specialty is secure RFID for sensitive environments, including custom crypto tags designed to prevent cloning and unauthorized reading, with a mechanical switch-off mode that eliminates the tag’s electronic signature. Led by president and founder Bryan T. Meehan Sr., the company says it has installed and integrated systems in more than 3,000 organizations.
From its 37,500-square-foot Odenton plant, Hi-Tech Color, Inc. manufactures customizable coatings, gravure inks, and adhesives for applications ranging from vehicle interiors to high-speed printing. The company synthesizes polyurethane resins in-house, giving customers room to adjust surface properties such as texture and gloss. Its quality and environmental systems are certified to ISO 9001:2015 and ISO 14001:2015, and the Maryland facility has doubled its North American production capacity.
Hiab is a global manufacturer of on-road load-handling equipment, with a portfolio built around recognized brands and a strong service network. It supports fleet operators with connected equipment data, factory-trained technicians and lifecycle service intended to keep machines working longer.
Born from founder Matthew Featherstone’s first cheesecake-making experiments with his mother, Hiatus Cheesecake makes cheesecakes and other dessert components in-house from its Baltimore commercial kitchen. Featherstone officially launched the company in 2016 after testing a homemade cheesecake with coworkers at Graces Mandarin, and Hiatus soon grew from a restaurant vendor into a Mid-Atlantic supplier for Sysco and Whole Foods Market. The Baltimore bakery has also appeared on QVC and HSN.
Locally owned since 1998, Hidey’s Landscape Supply Yard makes professional-grade mulch and supplies bulk landscape materials from its Westminster yard for pickup or delivery. Serving homeowners, landscapers, and contractors across Carroll County and nearby communities, the company is known for producing its own mulch and for the practical, personal help it gives customers choosing and placing materials. Hidey’s also rents, services, and supplies parts for golf carts, adding an unusual second specialty to its landscape-supply operation.
Highfield Bread Oven is a small rural Kent County bakery making artisanal bread on the hearth of a wood-fired brick oven. Mark Bourne built the oven himself, beginning the project while working as a trucker and first selling loaves at the Chestertown farmers market. Its retained-heat baking produces rustic breads after the fire and coals are cleared from the oven.
A Pitt Meadows farm that began with cattle in 1928, Highland Turf Farms Ltd has grown into a family-owned and operated producer and supplier of natural sod for homes, businesses and landscapers. The company has been in the turf business since 1978, growing grass blends suited to Lower Mainland soil and weather while delivering freshly harvested rolls throughout the region. Highland also supplies lawn-care products and BigYellowBag® garden soil, drawing on more than 90 years of agricultural experience.
HighStarr Copy & Print Services is a full-service print shop serving businesses and organizations from locations in Annapolis and Maple Lawn. It helps customers take projects from concept to finished print, with particular experience supporting real-estate professionals and families arranging memorial services.
Launched in 2018 to commercialize discoveries by University of Maryland professor Liangbing Hu, HighT-Tech Inc. is a Beltsville materials company built around rapid, high-temperature processing. Its patented Pulse Heating technology reaches up to 3,000°C in seconds and is being scaled from research into industrial applications, including lower-cost catalysts for chemical and refinery operations.
Founded in 2011 by scientist and entrepreneur Liping Liu, HighTide Therapeutics is a biopharmaceutical company developing multifunctional, multi-targeted therapies for cardiovascular-kidney-metabolic diseases. Its lead candidate, HTD1801, is an oral metabolic modulator built from berberine and ursodeoxycholic acid and is being evaluated in global clinical programs. HighTide also maintains an early-stage research portfolio spanning acute inflammatory disease, weight modulation and neurodegenerative conditions.
Baltimore’s HILGARTNER Natural Stone Company traces its roots to 1863, when Ludwig Hilgartner and Gottfried Schimpf formed a stone company that grew into a longstanding local institution. After more than 150 years in the trade, HILGARTNER is especially known for preserving the skilled marble-finishing craft through its state-accredited apprenticeship program and for restoring historic stonework with traditional artisan knowledge.
Established in 2011, Hill Park Engineering designs, fabricates, and evaluates high-power radio-frequency sources and directed-energy systems from its Fredericksburg, Virginia facility. Its work centers on the specialized testbeds, switches, transmitters, and measurement platforms used to develop and characterize high-power microwave technology. The company’s management and staff bring more than 75 years of combined experience in high-power, high-energy RF systems, including support for Department of Defense directed-energy programs.
Founded in 1956, Hillendale Press is a third-generation Towson print shop producing commercial work through digital, offset, and letterpress printing. The company provides full-service in-house printing and finishing for the Baltimore area, handling projects ranging from everyday business materials to specialty pieces such as wedding invitations.
For four generations, Hillside Turkey Farms has remained a family-owned, privately operated Thurmont farm and food business, carrying forward a turkey operation that began in 1939 with Pauline and Ross Smith. Today, the USDA-inspected farm and plant raises up to 180,000 birds a year and serves families as well as restaurants throughout the surrounding region. Its turkeys are antibiotic-free and not injected, with almost everything it markets grown or made in Thurmont.
Founded in 1992 by Mike Davis, Hilltop Signs & Graphics is a Hollywood, Maryland sign shop that grew from Hilltop Graphics & Gifts into a full-service company serving businesses throughout the Mid-Atlantic. Its team designs, fabricates, and installs custom business signage, with projects ranging from vehicle wraps to illuminated signs. Hilltop is known for keeping more of the work in-house while providing signage support from initial planning through installation.
HISCOMP LLC is a veteran-owned consulting company that combines management guidance with IT, logistics, and operational support for government and private-sector clients. Its team draws on nearly two decades of federal government and private-sector experience, applying the company’s “Per-fecting Accountability” model to training, organizational challenges, and project work. Based in Accokeek, Maryland, HISCOMP is designated as a Service-Disabled Veteran-Owned Small Business and also holds Maryland DBE, SBE, and MBE designations.
Hitachi High-Tech Corporation develops and supplies precision equipment, analytical systems, microscopes and manufacturing solutions for fields ranging from semiconductors and healthcare to batteries and industrial production. Its distinctive battery work follows the lithium-ion lifecycle from materials development and manufacturing through reuse and recycling, while its India operation supports customers from offices in Gurugram, Delhi, Mumbai and Bangalore.
Hitachi Rail designs and manufactures trains while also delivering the signalling, digital control and lifecycle services that keep urban, mainline and freight railways moving. With more than 24,000 employees serving customers in over 50 countries, the company combines global reach with a 170-year engineering history that includes Japan’s Shinkansen and Europe’s first passenger battery-hybrid trains. Its manufacturing sites and rail-control operations are certified to standards including ISO 9001 and IRIS, while its sustainability programme targets carbon neutrality across key sites by 2030 and net zero by 2050.
Established in 2004, Germantown’s privately held Hitek Systems LLC develops FPGA IP cores and provides FPGA and hardware design services for data-communication and test-equipment companies. Its work spans the full product path from system concept through software, lab integration, testing and complete-system delivery, with a particular history in Ethernet from 10/100/1000 Mbps through 100 Gbps and beyond. Hitek also builds production-ready FPGA boards and system-on-module platforms, including solutions for networking, wireless and satellite communications.