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PA
Founded in 1954 as Pittsburgh Seafoods, Land & Sea is a Monroeville-based wholesale supplier of meat and seafood, serving restaurants, retailers, and private clubs across the Pittsburgh region and surrounding states. Its whole-fish cutters prepare fish in-house, and the company has grown from a small seafood supplier into a regional distributor with more than 500 customers and over 3,000 frozen, packaged, and convenience products.
Land Boards designs and makes electronics development boards and modules for makers working with embedded computers, microcontrollers, FPGAs, retro computers and ham radio. Its catalog is especially distinctive for spanning modern platforms such as Raspberry Pi and Arduino alongside dedicated retro-computing hardware and Eurorack synthesizer modules. The company also publishes extensive project documentation through its Land Boards Wiki.
Founded in 1921 by Minnesota dairy farmers, Land O’Lakes, Inc. is a farmer- and retailer-owned cooperative whose businesses span agribusiness and food production. It produces dairy foods and animal nutrition products and also supplies crop inputs and agronomic services through its agricultural businesses. The cooperative operates in all 50 states and more than 60 countries.
For 40 years, Landis Bonfitto Mechanical Group has been a Berks County mechanical contractor known for dependable workmanship and a practical blend of traditional trade skills with modern diagnostic tools. The company serves commercial, industrial, and institutional facilities across southeastern Pennsylvania, with an ASME-certified weld shop and Linc Service Contractor status shaping its work. Its team also provides preventive HVAC service focused on keeping building systems reliable and operating costs in check.
Born from the Landis brothers’ 1889 machine-tool company, Landis Solutions LLC is a long-established manufacturer of precision threading tools for production machining. The company carries that heritage into modern CNC manufacturing and supports manufacturers facing demanding threading work, including applications in aerospace, automotive, and other critical industries.
Founded in 1934, Lane Enterprises manufactures metal and plastic drainage products and stormwater infrastructure solutions. The employee-owned company grew from a corrugated metal pipe producer into a coast-to-coast manufacturer with more than 20 facilities, and is described as the nation's largest producer of metal and plastic drainage products. Its long-standing work includes corrugated pipe manufacturing and structural plate systems.
Founded in 1982 by Al Gedeon and Ron Boyd, Lane Steel Company supplies and processes flat-rolled steel from its Pittsburgh-area operations. The employee-owned company maintains a substantial inventory and uses slitting, leveling, blanking, and shearing equipment to prepare material to customer specifications. Lane Steel operates under ISO 9001:2015 compliance standards and has expanded from its original partnership into facilities serving customers across multiple U.S. regions.
Lang Specialty Trailers is an American manufacturer shaped by the practical experience of its parent company, Windswept Entertainment and Events, which began using portable restrooms for outdoor events in 1991. After seeing where purchased units fell short, the company opened its own Pennsylvania manufacturing facility in 2017 and became known for durable, operator-friendly mobile restroom trailers. Its designs are built for rental businesses and organizations working in demanding or remote settings.
In downtown Williamsport, Master Chocolatier William Lang handcrafts gourmet chocolates in small batches, continuing a family tradition that has lasted nearly two decades. The family-owned and operated business is also behind Keystone Pantry, a sister brand offering allulose-based sweeteners and baking ingredients for keto, diabetic and other lifestyle needs.
Since 1942, Lannett Company has built its identity around making affordable generic medicines in the United States. Headquartered in Trevose, Pennsylvania, it employs more than 1,100 people across three states and supplies pharmaceutical wholesalers while keeping patients’ access to lower-cost prescriptions at the center of its work.
From its Cologne headquarters, LANXESS develops, manufactures and markets specialty chemicals, including intermediates, additives and consumer-protection products. The global group operates in 32 countries with about 11,500 employees, while its Rhein Chemie business is particularly known for rubber additives used to turn raw rubber into high-performance tires, seals and drive belts. LANXESS also provides custom manufacturing through its Saltigo subsidiary, producing active ingredients and intermediates at facilities in Leverkusen and Dormagen.
Headquartered in Cologne, LANXESS is a global specialty chemicals company that develops, manufactures and sells plastics, specialty chemicals and intermediates. Its Saltigo subsidiary handles custom chemical manufacturing from process scouting through pilot production and full-scale manufacture, with German production sites in Leverkusen and Dormagen. LANXESS operates with about 11,500 employees across 32 countries, while Saltigo’s production follows ISO 9001, ISO 14001 and ISO 50001 standards.
Amos Lapp began the company in 1987 after earning a local reputation for carefully crafted furniture made in his family barn. Today, his son Mike leads the Lancaster County business, which continues that Amish craftsmanship by creating custom outdoor buildings for homeowners and backing each structure with a five-year warranty.
LaSalle Engine is a family-owned business specializing in OEM engine remanufacturing, custom racing engines, stock engine repair, and overhaul. They serve industrial, transportation, marine, and racing markets with a full-service machine shop and over 100 years of combined experience.
Founded in an Essex garage in 1977, Lascar Electronics makes electronic monitoring and display equipment, including its EasyLog data loggers and PanelPilot industrial displays. The company has grown into a global operation with sites in the UK, United States and Hong Kong, and also provides electronic design, IoT development and manufacturing services from concept through production. Lascar says it has sold more than one million data loggers worldwide and operates through more than 100 distributors and resellers.
Born from a Meadville partnership between Peters’ Heat Treating and Phoenix Laser Solutions, Laser Hard applies robotic laser heat treating to selectively harden or temper metal surfaces. Its portable system scans complex three-dimensional workpieces and directs digitally controlled energy only where needed, helping reduce distortion and secondary machining. The company draws on more than 70 years of experience serving the tool-and-die industry and is ISO 9001:2015 accredited, certified by NSF.
Laser Source LLC brings more than 15 years of experience to precision laser marking and engraving for medical, military, aerospace, and other manufacturing applications. Based in Warminster, Pennsylvania, the company works from a 2,500-square-foot facility equipped for high-accuracy work on items ranging from small production arrays to large or unusually shaped components. Its capabilities include data identification marking and rotary processing of cylindrical parts, with typical orders completed in seven to 10 business days and expedited service available.
Laser Tools Co., Inc. develops and manufactures precision laser tools and optical components, and operates a CNC machine shop in Little Rock, Arkansas. Founded in 1992 with its first laser, the L50, the company says its lasers are designed, machined, and assembled in the USA; its optics business also serves customers worldwide, with production, design, and customer-service facilities in China and the United States.
Founded in 1999, Laser-View Technologies manufactures and distributes non-contact measurement sensors and industrial systems, with an engineering-led approach to solving demanding applications. Its U.S.-made Crane Sentry® systems monitor crane collisions, restricted zones, and positioning, while the company also serves as the authorized U.S. Dimetix distributor and exclusive North American DIS Sensors distributor. Based in Chester Springs, Pennsylvania, Laser-View supports industrial customers while mentoring Brandywine Robotics and promoting STEM education.
Laserfab is ALZA Group’s “Cut, Bend, Send” division, producing precision custom metal parts for OEMs through high-speed laser cutting and CNC forming. Its Lebanon operation combines five fiber lasers with experienced technicians, digital inspection, and value-added services so parts can arrive ready for production. Laserfab is ISO 9001:2015 certified and has decades of experience serving varied industrial applications.