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With more than a decade in business, AMP® Lighting designs, manufactures, and distributes professional landscape-lighting equipment, including its app-controlled AMP iQ™ systems. The Tampa-area company supports contractors with four fully stocked distribution centers, complimentary lighting layouts, and AMP Academy training, while its fixtures are backed by lifetime warranties. AMP reports more than 80 employees nationwide and 12,000-plus clients.
Incorporated in Pennsylvania in 1929, Ampco-Pittsburgh Corporation is a publicly traded industrial manufacturer built around more than 90 years of custom forging and casting experience. Today, it serves demanding industrial customers through engineered products and precision equipment for air and liquid processing.
Amphenol Communications Solutions develops and manufactures interconnect products, including connectors and cable assemblies, for information, communications, and commercial electronics markets. Its engineering teams work with customers from concept and design through prototype and final production, and the company states that it has manufacturing plants on every continent. The company also highlights specialized plating and PCB-mount termination expertise.
Founded in Chicago in 1932 with a molded radio socket, Amphenol now designs and manufactures interconnect, sensor and antenna solutions from its headquarters in Wallingford, Connecticut. Its products connect and monitor systems across markets ranging from automotive and communications to aerospace, defense and industrial equipment. With 170,000 employees at the end of 2025 and facilities in approximately 40 countries, the publicly traded company retains an entrepreneurial structure built around locally managed businesses.
Amphenol Sensors brings together 25 independent sensing brands to measure everything from pressure and temperature to vibration, gas and position across demanding industrial, automotive, medical and aerospace applications. It is the sensor business of Amphenol Corporation, preserving each specialist’s engineering identity while offering a global manufacturing footprint. The portfolio includes distinctive specialists such as Telaire for NDIR CO₂ sensing, Kaye for thermal validation and NovaSensor for pressure measurement.
Founded in 2004 by engineers from Phoenix Microwave (M/A-COM), Amplifier Solutions Corporation is a Telford, Pennsylvania manufacturer serving military and commercial system designers. Its engineering team develops custom RF and microwave amplification solutions, drawing on thick-film hybrid expertise and a facility equipped to support multiple shifts. ASC is SDB certified and ISO 9001:2008 registered.
AMPRO is a Philadelphia-area apparel printer established in 1973, with its Clifton Heights facility producing custom printed and decorated garments. The company specializes in high-volume screen printing and reports printing more than 300 million T-shirts; it also provides embroidery and digital printing. AMPRO identifies itself as a certified Women's Business Enterprise through WBENC.
Ampulis is a drug-delivery company built around a team with decades of experience developing medical devices and combination products. It works with pharmaceutical companies to adapt its AFS platform for sensitive medicines, helping move treatments from feasibility through clinical builds and production.
Ampwave Defense manufactures power tubes, helix-type traveling wave tubes, traveling wave tube amplifiers, microwave power modules, and related power-tube circuitry. Its products serve electronic warfare, radar, communications, aerospace, defense, SatCom, research, and test and measurement applications.
Amramp grew from a 1970 metal-products shop into a family-owned accessibility manufacturer and installer, best known for its patented steel modular wheelchair ramps. Founded as the Amramp brand in 1998, the company now supports local teams across the United States and Canada with ramps, lifts and other mobility solutions for homes, businesses and temporary events. Julian Gordon’s son, Justin, joined as an installer and became CEO in 2020, keeping the business in the family while AmrampCARES extends its mission through donated ramps for people in need.
Since 1986, AMS Filling Systems has built its identity around solving difficult filling problems with customer-specific engineering rather than one-size-fits-all equipment. The company works from a 75,000-square-foot facility in Morgantown, Pennsylvania, where its team tests products and supports customers throughout a project and after installation.
AMS-JRC is a Butler, Pennsylvania electronic contract manufacturer incorporated in 1989, producing electronic assemblies for OEMs and other customers. It specializes in prototype through small- and medium-volume work, including printed circuit board assemblies, and serves customers across the United States.
ams-OSRAM AG is a global manufacturer of light and sensor technologies, with more than 110 years of design and manufacturing experience and around 18,500 employees worldwide. Its portfolio includes semiconductor emitters and sensors, and it also operates a full-service CMOS foundry drawing on four decades of expertise. The company identifies its focus areas as sensing, illumination, and visualization.
Amsted Rail manufactures railcar undercarriage and end-of-car components and systems, serving freight and transit rail markets. Its roots in the Griffin Wheel Company date to 1877, and the company says its facilities span more than 40 locations across six continents. It is part of privately held, employee-owned Amsted Industries.
Amstergen Life Sciences LLC is a Pennsylvania-based pharmaceutical company specializing in sterile oncology and non-oncology products, including injectables and ophthalmics. The company focuses on developing, manufacturing, and marketing generic pharmaceutical products and offers contract manufacturing services.
For more than 70 years, AMT Pump Company has designed and manufactured industrial and commercial pumps at its Royersford, Pennsylvania facility. The company builds and tests virtually every product in-house, offering more than 1,000 standard pump models, including more than 400 available for quick shipment. AMT operates as a subsidiary of The Gorman-Rupp Company and sells through authorized distributors.
Malvern Glass, Inc. has installed commercial and custom residential glass since its incorporation in 1976, handling projects from commercial glazing to custom shower enclosures and repairs. Based near Malvern’s Great Valley Corporate Center, the company operates its office, showroom and production facility from a 24,000-square-foot shop and serves the Delaware Valley and wider Tri-State area.
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Founded in 1965, Philadelphia-based Amuneal Manufacturing Corp. designs and fabricates magnetic shielding for demanding technical applications, while also producing custom furniture and architectural work. Its magnetic-shielding operation brings more than five decades of in-house expertise to projects ranging from prototypes to high-volume production, supported by more than 120 employees across over 120,000 square feet. In its design and fabrication work, Amuneal pairs engineering with an in-house wood studio and a metal-finishing practice capable of producing hundreds of custom finishes.
Amy Karyn began her Hopewell design business in 1992 with pillows made from antique fabrics, a textile heritage that still shapes the studio today. Founded by Rhode Island School of Design textile-design graduate Amy Karyn, the firm creates residential interiors for clients in Princeton and surrounding New Jersey communities, with its hand-printed fabrics providing a distinctive thread.