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Walker Filtration designs and manufactures purification solutions for compressed air, gas and vacuum systems, with its global headquarters in Washington, Tyne & Wear. The company has more than 40 years of experience, has manufactured over 2.2 million products and serves customers in more than 100 countries. Its Washington operation combines product development, engineering, testing and certification, while its OEM-focused manufacturing is supported by ISO 9001 accreditation maintained for more than 20 years.
Founded by organ-maintenance veteran Bob Walker in 1973, Walker Technical Company makes digital voice enhancements and control systems that integrate with pipe organs as one cohesive instrument. The Center Valley company began as a service business, incorporated in 1985, and still has Bob involved in service and tonal finishing. Its work has been installed with pipe-organ builders across North America and abroad, including at the Mormon Tabernacle and David Geffen Hall.
Founded in 1938, Wall Colmonoy is a global materials engineering group known for nearly nine decades of metallurgy and for pioneering high-temperature brazing for aerospace. Its engineers develop metal solutions that help critical industrial components withstand wear, corrosion and heat, serving customers whose operations include aircraft production and glass manufacturing.
Since 1954, Wallace Cranes has manufactured portable and adjustable gantry cranes at its Malvern, Pennsylvania facility, along with other engineered lifting equipment for industrial applications. As the original patent holder of the Thrifty and Tri-Adjustable gantry designs, the company is known for cranes built around a distinctive pinned-joint system that makes them portable and straightforward to assemble. Wallace builds its equipment in the United States using U.S.-sourced steel, and says more of its gantries remain in use than those of any other manufacturer.
Founded in 2017 by Rebecca Ryman, Wallenpaupack Brewing Company is a craft brewery, brewpub, and beer garden near Lake Wallenpaupack in Pennsylvania’s Pocono Mountains. Its 14,000-square-foot brewery makes award-winning beers and prepares food in-house, using locally sourced ingredients whenever possible. The company also operates a second taproom, The Wake Zone, in nearby Tafton.
Born from a breakfast-table idea in 2005, Pennsylvania-based Wallhogs makes custom wall decals and personalized wall décor from customers’ photos, artwork, or logos. The company went live in 2006 as what it describes as the first e-commerce custom wall-decal digital printer, growing from a one-car garage into a global brand with two production facilities totaling more than 8,000 square feet. Wallhogs digitally prints its custom work in Pennsylvania and has expanded into business wall graphics, murals, canvas prints, and curated wall accents.
Veteran-owned and operated near Philadelphia, Wallquest manufactures designer wallcoverings for residential and contract interiors, pairing a broad global distribution network with its own digital, gravure and screen-printing capabilities. Its collections span the Wallquest, Carl Robinson and Seabrook Designs brands, while water-based inks and off-site processing of surplus ink reflect the company’s focus on more sustainable production.
Founded in 1915 by J.A.L. Walman, a jeweler, optometrist, and optician, Walman Optical grew from a heritage of craftsmanship and attention to detail. It provides optical laboratory services and business support to independent eye care practices, describing its lab network as nationwide.
Since 1981, Walnut Industries Inc. has developed and manufactured Ty-Gard cargo-securement systems for protecting loads in road, rail and ocean transport. Its flexible Ty-Gard DS® restraint is approved for dangerous goods and general cargo, including drum and palletized shipments, under major intermodal transportation guidelines.
Founded by Walter Long and his brother Albert in Pittsburgh in 1898, Walter Long Manufacturing makes custom steel plate and pipe fabrications, with particular strength in metal roll forming and bending. The Long family’s tradition continues into its fifth generation at a South Park-area operation with more than 30,000 square feet of manufacturing space. The company began with boiler repair and fabrication and now serves coal, power-generation, and general-industry customers to their specifications.
Since its founding in York in 1989, Walton & Company has grown from a six-person startup into a regional mechanical contractor with roughly 250 employees. The company is known for keeping design, fabrication and service connected under one roof, giving commercial and industrial clients a single team accountable for a system’s long-term performance. Its workforce averages more than 10 years of tenure, and its current president, Jason Hamme, began with the company as a plumbing laborer in 1997.
Sixth-generation Lancaster County farmers Jan and Kimberly Waltz turn fruit from their 35-acre Manheim estate into European-style wines at Waltz Vineyards Estate Winery. The family has produced estate-grown vinifera grapes since 1997 and handcrafted its first wine in 2000, now making about 7,500 cases a year in a boutique winery with Italian technology and French-oak aging. The farm’s Continental climate, shale-rich soils and rolling Lancaster County setting give the winery a distinctly local sense of place.
Since 1985, WAM Inc. has represented Italian WAMGROUP in the United States, distributing and manufacturing equipment for bulk-solids handling and processing. Its Lawrenceville, Georgia, division produces standard screw conveyors and dust collectors for the U.S. market, while a Fort Worth division opened in 2002 to serve customers across the western and central regions. The company also maintains local inventory of equipment and spare parts and supports customers with testing and technical service.
Founded in 1998 and headquartered in Yantai, Wanhua Chemical Group is a globally operated chemical-new-materials manufacturer built around proprietary technology and large-scale production. Its business spans polyurethane, petrochemicals, performance chemicals and emerging materials, supported by 14 production sites and factories and seven research centers across China and Europe. Wanhua is particularly distinguished by its integrated development of polyurethane and MDI technologies, while its newer Nylon 12 chain earned a 2025 Shandong Provincial First Prize for Technological Invention.
Philadelphia-based WarFighter Oil develops sustainable oils, lubricants, and metalworking fluids for the U.S. military, government agencies, and industrial customers. A service-disabled veteran-owned small business, it combines military and government-contracting expertise with custom formulation and reverse-engineering capabilities. Its offerings include American-made products and plant-based lubricants, many carrying the USDA Certified Biobased Product Label.
Warm and Tote LLC is known for creating a portable way to bring a hot home-prepared meal to work, school, or the road. Its heated meal totes use a proprietary Turbo Pac to keep food warm without relying on a plug, wire, or battery.
Warren Associates is a family business founded in 1946 that produces imaging and print work, with a history spanning three generations. It has evolved from a custom photo shop into a multifaceted imaging-production and digitization company, serving organizations including Fortune 500 companies, broadcast networks, entertainment venues, and athletic teams.
Warren Controls traces its roots to a Warren County, New Jersey operation founded in the early 1950s and has grown under successive ownership into a Bethlehem manufacturer serving OEMs, end users, and U.S. military programs. Its 60,000-square-foot facility produces custom control valves for demanding applications, with a focus on dependable, precision control rather than off-the-shelf equipment.
Warren Knight Instrument Company manufactures precision alignment equipment, distance-measuring instruments, incline-measurement devices, and traditional nautical navigation tools. It also provides custom instrument design, calibration, and repair services for applications involving aviators, navigators, surveyors, and the military.