Manufacturer Directory
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MD
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.
Hodges Window & Glass is a family-owned Baltimore-area shop that repairs and fabricates windows, glass, and screens for homes and businesses, with mobile crews that bring many repairs directly to the property. Dean Hodges opened the business in 1960, and his son John now carries that work forward after more than 30 years of on-site window repair. The company is particularly known for fast-turnaround double-pane repairs and custom glass work, including historic-window restoration and frameless shower enclosures.
Since 1947, family-owned Hoffman’s Home Made Ice Cream has been making hand-dipped ice cream in Westminster, Maryland, along with its own ice cream cakes. A Carroll County landmark, the shop still uses its longstanding recipes and makes more than 50 flavors throughout the year. Its deli and convenience store add made-to-order sandwiches and everyday provisions to the old-fashioned ice cream counter.
Holcim UK makes and supplies construction materials and delivers infrastructure services across Britain, from its origins at Bardon quarry in 1858 to a network of more than 200 sites today. Now part of Holcim Group since 2005, the business employs about 4,000 colleagues and is reshaping that long industrial heritage around circular construction, including recycled materials and lower-carbon building solutions. Its in-house research and testing facilities support the development of asphalt and concrete for projects ranging from roads and railways to homes, hospitals and schools.
Founded in the Netherlands in 1967, Holmatro designs and manufactures high-pressure hydraulic equipment and systems for rescue work and demanding industrial applications. With more than 300 employees, in-house production facilities in the Netherlands and United States, and a global network spanning over 160 countries, the privately owned group builds tools intended to deliver controlled power in difficult conditions. Its products are tested in-house and manufactured under ISO 9001 quality management, while the Netherlands facility also holds ISO 14001 and ISO 45001 certification.
Born in an old ice cream shop on the Ocean City, Maryland, boardwalk, Hoop Tea makes spiked iced tea malt beverages. Founders Danny and Billy started the company in 2014 with tea leaves and two kegs, developing a beach-inspired drink whose original recipe took more than two years to perfect. The brand is based in Baldwinsville, New York, and its lineup includes a 5% ABV Original and a 90-calorie Light version.
Established in 1981, Hopewell Sheet Metal Mfg. fabricates custom ductwork and sheet-metal products for projects across the four-state and Washington, D.C., area. Its Hagerstown operation has grown to more than 30,000 square feet and combines computerized cutting systems with a full-service weld shop, including custom electrical cabinets for contractors. Hopewell also supports large jobs with flexible delivery and temporary jobsite trailers.
Since beginning as a teenage machinist in 1963, Charles Hopkins has built Hopkins Machine Company into a Middletown Valley prototype shop handling everything from historic engine reconstruction to precision CNC machining. The small, owner-operated company works from sketches or 3D models, reproduces obsolete parts, and takes on short-run projects rather than production volumes. Hopkins’s background includes Army machinist training and machining work in aerospace, medical, and automotive reconstruction.
Horizon Concrete Construction Ltd. is a Kitchener-based concrete construction contractor. The company’s site provides little additional detail about its specialties, history, ownership, or scale beyond its core construction work.
Founded in 1976 as the woman-owned House of Type, HOT Graphic Services has grown into a Northwood, Ohio, full-service commercial printer and integrated communications provider with more than 125 employees. Still led by the Shapiro family, now in its third generation, HOT pairs print production with marketing support and maintains a longstanding environmental program that includes extensive paper recycling and recycled materials whenever possible.
House of Balance is a second-generation, family-operated Maryland business specializing in vibration analysis and dynamic balancing for rotating equipment. Established in 1965 after starting as a race-car speed shop, it now combines field service with a 7,000-square-foot motor, pump, and machine shop. Its working owners and small team of trained technicians serve customers across the Mid-Atlantic and beyond, handling equipment at the plant or in-house.
Founded by Luke Murnane, whose golf background includes the University of Maryland’s turfgrass program and work at Caves Valley Golf Club, Hover Greens designs golf-training products built around precision putting practice. Its signature approach pairs slope-adjustable putting greens with projection technology that gives golfers visual drills for alignment, start line, speed, and other aspects of putting. The company also makes the patent-pending Putting Calibrator, a portable aid that reveals a golfer’s natural eye alignment and helps train a repeatable setup.
Locally owned for more than 30 years, How Sweet It Is began as a neighborhood produce market and has become a regional destination on Maryland’s Eastern Shore. Its 150-plus acres in production support a grower-led garden center, with much of its plant material raised by the company and additional selections sourced from trusted growers. The business also supplies the peninsula’s professional landscape trade while making room for products from local makers.
Submitted source context describes Howard Uniform as a supplier for uniforms, body armor, equipment, and accessories, primarily serving the public safety sector.
Established in 1978, family-owned Hub Labels manufactures custom pressure-sensitive and linerless labels at its Hagerstown, Maryland facility. The company was the first U.S. printer to introduce linerless label technology in 2009, a specialty it applies particularly to high-speed food packaging and skin-pack trays. Its flexographic, digital, and hybrid printing capabilities include up to 12-color printing, while renewed G7 certification supports consistent color and repeatability.
Founded by Joe Schneider, HUCK Performance Buckets makes durable performance buckets on Maryland’s Eastern Shore. The company makes its own parts and hand-assembles each bucket one at a time, with a focus on sustainability and ethical manufacturing. Its buckets are built for demanding outdoor use, from fishing and boating to everyday work and play.
Hugee Corporation is a family-owned HVAC contractor serving residential, commercial, industrial, and construction customers in the Washington, D.C. metropolitan area. Its physical production capabilities include custom sheet-metal and duct fabrication, while its broader offerings include heating, cooling, commercial refrigeration, indoor air quality, HVAC equipment sales, installation, repair, and maintenance.