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PA
Founded by David Loomis in 1917, Loomis Products Company is a long-running industrial manufacturer based in Levittown, Pennsylvania, with production capabilities in the United States and Germany. It is known for developing high-pressure forming equipment for powdered-material industries, including the first production machinery for automotive catalytic-converter honeycomb substrates. The company provides engineered equipment and project support for manufacturers working with ceramics, metals, plastics and composites.
With more than 100 years in the paper and film release-liner industry, Loparex develops and manufactures engineered release liners and functional films for customers worldwide. Its 11-location network combines in-house film extrusion, coating, embossing and converting with material-science expertise, allowing the company to tailor liners to demanding applications. Loparex also emphasizes sustainable materials and production, including FSC-certified papers, recycled and renewable-content options, and ISCC PLUS-certified plastics.
For more than 50 years, Loranger International Corporation has built an international reputation in semiconductor burn-in and test manufacturing from its Warren, Pennsylvania operation. The company develops specialized sockets and related test equipment for electronics manufacturers, with applications ranging from defense and automotive programs to space exploration.
Losán is a multinational wood manufacturer with 10 production centers around the world and extensive experience serving professional customers. The company develops wood-based solutions for customized projects, with sustainability reflected in its focus on responsible forest management.
Lotus Fireworks Co. combines a Grantville retail and wholesale fireworks operation with an on-site museum devoted to the history of pyrotechnics. Serving the public for 40 years, the company keeps most prices steady year-round and offers quantity discounts rather than padding assortments with filler items. Its museum preserves legal fireworks and related artifacts dating from the 1800s through the mid-20th century, giving the store an unusual collector’s and educational side.
Lou’s Alternator is an auto-electric rebuilder and distributor specializing in remanufactured electrical units. In business for over 26 years, the Pittsburgh-area company combines rebuilding and testing capabilities with distribution to serve customers’ changing equipment needs.
Loudon Industries, Inc. is a family-owned business of the Hill family that performs gear manufacturing and precision machining. Its founders have more than 40 years of experience, and the company offers a complete shop from purchasing raw material through supplying finished products ready for use.
Lovett Sundries is a family company in Pittsburgh that handcrafts small-batch apothecary goods, beginning with extra-gentle soaps and growing into personal-care and household products. Its founders measure, mix, and package everything themselves, using largely unprocessed ingredients and essential oils for fragrance. The company’s plastic-free, recyclable approach grew from a desire to make everyday products simpler and reduce their environmental footprint.
As a Service-Disabled Veteran-Owned Small Business, Lowen Marine & Industrial designs PLC-based control systems and supplies automation solutions for defense, marine, and industrial customers. The company is the exclusive distributor of Beck Electric Actuators to the U.S. Navy, Coast Guard, Military Sealift Command vessels, and the U.S. shipbuilding industry, while also providing engineering support from system design through commissioning.
Headquartered in Kollerschlag, Austria, LOXONE is a manufacturer of smart-home and building-automation systems for residential and commercial spaces. Its locally operated Miniserver platform brings automation into one expandable system, with support delivered through regional offices and certified partners.
Born from Allan Lozier’s 1956 invention of no-bolt metal shelving, Omaha-based Lozier Corporation manufactures the store fixtures and warehouse systems that shape retail spaces. Now employing more than 2,000 people across five states, the company has grown from its Nebraska roots into a broad manufacturing network while continuing to provide professional installation and fixture support for retailers worldwide.
For more than 60 years, LP Aero Plastics has manufactured FAA-PMA aircraft windshields and windows for the general aviation market from its Jeannette, Pennsylvania operation. Its catalog spans more than 1,600 FAA-PMA approvals covering about 500 aircraft, while its craftsmen also take on custom work for homebuilt, experimental and warbird aircraft. The company’s FAA-monitored quality systems meet Department of Defense requirements and support AS9100D aerospace compliance, and its government work has earned three Commander’s Awards and 12 Gold Awards for Excellence.
Since 1985, Erie-based LPH, Inc. has rebuilt and supplied hydraulic and pneumatic components, helping manufacturers and equipment operators get back to work without waiting for obsolete parts or a new replacement. Its technicians bring more than 80 years of combined experience to repairs across all makes and models, backed by free evaluations and a one-year “same-as-new” warranty. In-house machining and welding also let LPH reverse-engineer hard-to-find cylinders and make custom hydraulic hose assemblies.
LRG Corporation is a precision machining shop that produces customer work in a range of difficult machining applications. Founded in a small garage over 30 years ago, it presents itself as an experienced machinist-led company specializing in close tolerances, exotic materials, and challenging jobs.
LSC Communications LLC was established in 2016 after R.R. Donnelley separated its services into three companies, drawing on a printing and logistics history dating to 1864. It provides printing, mailing, marketing, and digital communication solutions for publishers, brands, retailers, and merchandisers. Atlas Holdings acquired LSC in 2020.
Established in 1979, LSI Controls is an Erie manufacturer known for advancing industrial processes with microprocessor-based control systems. Its U.S.-made designs serve OEM and aftermarket customers seeking high-density, complex electronic systems, with the company providing support from development through production and later product service.
Founded in 1981 as Lagertechnik Wolfurt, LTW Intralogistics designs and builds turnkey intralogistics systems, including the software that coordinates them. Based in Wolfurt and part of the Doppelmayr Group, the company manufactures many components in-house to ropeway standards and has delivered more than 950 projects in over 35 countries. LTW is particularly known for handling demanding goods and for extending system life through more than 600 retrofit projects.
Designed and built in the USA since 1946, Lucifer Furnaces is one of the country’s oldest and most experienced designers and builders of industrial heat-treating equipment. Based in Warrington, Pennsylvania, the company makes built-to-order furnaces and ovens for manufacturers and specialized shops, including aerospace and tool-and-die operations.
From a small welding and machine shop on the Helm family farm, LuckNow Products has grown into a Lucknow, Ontario manufacturer of agricultural equipment, best known for mixer feeders that have been made there since 1979. Helm Welding (1983) Limited marked 50 years in business in 2018 and now employs approximately 30 people, selling through dealers across North America and international markets. Its equipment is designed for straightforward operation and low maintenance, with the company retaining its manufacturing facility and product line in Lucknow after employee ownership took over in 1998.
Founded in Philadelphia in 1995 by Andy Eng and Ying Hong Bi, Luen Fong Food & Produce is a family-operated wholesale distributor supplying Asian produce, imported groceries, and specialty ingredients to professional kitchens across the Mid-Atlantic. What began in Chinatown has grown into a regional foodservice operation serving restaurants, casinos, hospitality groups, and caterers through its dedicated tri-state distribution network. The company combines domestic and international sourcing with cold-chain delivery and batch-level tracking to support dependable next-day supply.