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PA
Family-owned and operated in Johnstown, Quaker Sales Corporation has been mixing asphalt and paving Western Pennsylvania since 1929. Its two plants in Johnstown and Northern Cambria produce state-certified materials for the company’s own PennDOT-prequalified paving crews as well as other contractors and municipalities. The company is also advancing the use of recycled asphalt and warm-mix technology as it modernizes its plants.
Quaker Sheds is a family-owned and operated builder of sheds and outdoor buildings, constructing each one on-site to fit the customer’s property and needs. Based in Conshohocken, the company builds custom A-frame sheds, carriage houses and barns, along with wood decks, and offers a two-year warranty on its shed and building work.
Qualastat Electronics has built its reputation since 1986 around careful, dependable work for systems where failure is not an option. Founded by Vernon Judy Sr., whose expertise helped shape the IPC/WHMA-A-620 standard, the company now operates from U.S. facilities serving aerospace, defense, medical, and industrial customers. Its long-serving Pennsylvania production team and certified quality processes reflect a culture shaped by precision rather than volume.
QuaLex Manufacturing is a Georgetown, Kentucky contract sheet-metal fabricator that grew from C&D Products, a small machine shop and rack fabricator, into a 350-plus-employee operation. Founded in its current form in 1995, the company handles custom fabrication in stainless steel, aluminum, and high-strength steel, with work ranging from industrial generator chassis to specialized vehicle assemblies. Its ISO-quality systems, just-in-time scheduling, and rapid-response team support both recurring production and rush requirements.
Founded in 2004 near Tampa, Quality Biomedical manages medical-equipment service programs, with a particular focus on repairing and managing respiratory equipment for healthcare providers nationwide. The company has grown from one location to six, pairing factory-authorized technicians with logistics, warehousing, and its QConnect technology platform to track equipment through service. Its patient-ready approach now supports thousands of healthcare organizations and more than 1.6 million assets under management.
Since 1996, Quality Lab Accessories has built its reputation around solving the specialized equipment needs of pharmaceutical laboratories. Based in Telford, Pennsylvania, the company combines a fully staffed machine shop with a modern manufacturing facility, giving its team the ability to create practical custom solutions when standard parts fall short. QLA also maintains an ISO 9001-registered quality management system.
Quality Liquid Feeds is a family-owned American company that began in Dodgeville, Wisconsin, in 1977 and has spent more than 45 years serving agriculture. What started as a Midwestern liquid-feed marketer now operates nationwide, with 16 manufacturing plants and a dedicated transportation division supporting farms and ranches. The company is known for applying its research and nutrition expertise to practical feeding and crop-production needs.
Since 1946, family-owned Quality Machined Products and Manufacturing has made custom precision-turned parts and screw-machine components at its Western Pennsylvania shop. Its 20,000-square-foot facility, experienced machinists and inspection program support complex, tight-tolerance work in production runs ranging from small orders to more than 10 million parts. QMP’s reach extends from the East Coast across the United States and into Mexico, with experience serving demanding fields such as aerospace, medical and nuclear manufacturing.
Quality Machining, Inc. is a full-service metalwork machining and fabricating shop equipped with CNC and conventional machines, specializing in aluminum manufacturing and completing projects in-house from start to finish. The company provides production runs, prototyping, custom projects, and various metal finishing services including anodizing, powder coat, and wet paint.
Quality Millwork Inc. makes traditional and custom millwork, providing trim and wood products to individuals and builders in Northwest Arkansas. Founded in 2012 by Jim, the company draws on his millwork-industry experience dating to 1997 and offers craftsmanship for residential and commercial buildings.
Founded in an Erie garage in 1985, family-owned Quality Mold designs, builds and tests plastic injection molds for medical, automotive and consumer applications. The Hakel family operates from a 16,000-square-foot facility, taking projects from in-house design through inspection and optional sampling at its Erie affiliate, Quality Plastics. Its work ranges from prototype tooling to high-cavitation production molds, with each mold inspected by hand and with a Zeiss Contura G2 coordinate measuring machine.
Quality Mould, Inc. is a Latrobe, Pennsylvania manufacturer of precision-machined industrial parts and fabricated assemblies, established in 1983. Its production facility has 28 CNC machines and three robotic automation systems, and the company is registered to ISO 9001:2015 through PRI Certification.
Serving the Tri-State area for more than 20 years, Quality Penn Products makes pallets, skids, tops, and covers for material-handling needs. The Philadelphia company works with customers on custom-designed products and offers next-day service.
Quality Service Plus grew from a Philadelphia installation company into a nationwide experiential-design partner that designs, fabricates, and installs branded interiors and signage. With more than 20 years in the field, QSP combines in-house large-format printing and modular fabrication with coordinated installation, helping corporations carry a consistent brand across locations. Company leadership remains connected to the work: Chris grew up in QSP and took over when his father retired, while several senior team members also advanced from installer roles.
Founded in 1976, family-owned Quality Stone Veneer designs, manufactures, and installs stone veneer for residential and commercial construction. It produces handcrafted manufactured stone veneer and related architectural products at U.S. facilities, and operates a turnkey model that pairs its own products with installation expertise. The company serves builders, suppliers, homeowners, and architects across the United States.
Since 1992, Quality Support, LLC has been a Scottdale manufacturer known for custom wood shipping crates built around the needs of demanding customers. The company serves industrial and government-related work, with particular experience in aerospace, defense, and nuclear applications. Its NIST SP 800-171 compliance reflects the specialized requirements of its government and defense customers.
Founded in 1977, Quality Tool & Die began as a tool-and-die and precision machining shop and has grown into a contract manufacturer that builds molds and produces plastic-injection-molded components, with QTD Plastics focused on medical devices since 2014. Its in-house toolmaking and molding operations support projects from mold development through validated production, and the company is FDA registered for medical-device manufacturing. Tooling and machining are certified to ISO 9001:2015, while injection molding operates under ISO 13485:2016.
Founded in 1927, Quanex is a global building-products manufacturer that supplies components and engineered materials to manufacturers in residential and commercial markets. Its business spans fenestration components, window and door hardware, custom wood products, building access products, and polymer mixing; the company reports 67 locations worldwide and more than 7,100 employees.
From its Duryea, Pennsylvania headquarters, Quantum Rehab designs and manufactures complex rehabilitation power wheelchairs that are custom-built around individual mobility needs. Formed as a dedicated Pride Mobility division in 2000, the company has made consumer involvement central to its work, bringing wheelchair users, therapists and engineers into the design process. Quantum is particularly known for iLevel seat-elevation technology, which lets users operate at walking speed with the seat raised, and its chairs are proudly made in America.