Manufacturer Directory
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MD
Phaseshift is a scientist-founded College Park company built around deep expertise in photonics, quantum science, and advanced optical engineering. It turns metasurface research into practical optical components for organizations developing next-generation photonic and quantum systems.
Since 1945, Phelps Industrial Products has built its identity around practical fluid-sealing expertise for demanding industrial applications. The Laurel, Maryland company serves customers worldwide with custom gaskets and related sealing solutions, drawing on decades of fabrication experience and an extensive material inventory.
Based in Accident, Maryland, Phenix Technologies manufactures high-voltage, high-current and high-power test systems and components for electrical equipment testing. Its custom AC resonant systems are designed for field or laboratory use, with ratings from 15 kV to 2 million volts, while its motor test systems extend to machines rated at 50,000 horsepower. Doble acquired Phenix Technologies’ assets, bringing the manufacturer into its broader electrical testing portfolio.
For more than 30 years, Phillips Corporation has built its identity around Haas expertise and close, ongoing support for manufacturers. The Hanover-based company serves metalworking customers through its Phillips 360 local teams, while its Phillips Federal division—founded in 1961—focuses exclusively on U.S. government facilities.
From its Chesapeake Bay beginnings, Phillips Foods makes crab meat, crab cakes and other prepared seafood for grocery shelves, restaurants and foodservice kitchens. The family-owned company traces its roots to 1914 and has crafted seafood products for four generations, carrying the Maryland Eastern Shore tradition behind its first restaurant’s 1956 crab-cake recipe into a global sourcing operation. Based in Baltimore, Phillips also operates seafood restaurants along the East Coast and in airports.
Since 1988, Annapolis-based PHILTEC, Inc. has designed and built custom fiber optic displacement sensor systems for accurate, non-contact measurement in environments ranging from aerospace test stands to cryogenic liquids and ultra-high vacuum. Its engineers tailor probes, fiber cables, and signal hardware for specialized installations, with more than 70% of its products receiving custom engineering. PHILTEC’s sensors are built in the USA and sold through a global network.
Since 1979, Phoenix Color has operated as a domestic, full-service printer serving the U.S. publishing industry, with a particular focus on book components and heavily illustrated titles. Its Hagerstown, Maryland, operation combines in-house digital prepress, UV printing and finishing with distinctive treatments such as LithoFoil® and Look of Leather™. The company also produces specialty commercial work and packaging, and has maintained FSC and SFI certification since 2007.
Founded in 1997 by six underwater operations experts to repair U.S. Navy ships, Phoenix International Holdings now provides manned and unmanned underwater services and engineering for commercial and government clients worldwide. The employee-owned company operates from eight U.S. offices and combines commercial diving with deepwater robotics, including in-house-designed vehicles capable of working to 6,000 meters. Phoenix’s quality system is certified to ISO 9001:2015 across its locations and lines of business.
Founded in 1975 and headquartered in Stein am Rhein, Switzerland, Phoenix Mecano AG develops and manufactures niche industrial products and system solutions, notably enclosures and industrial components. Its three divisions also cover modular automation and drive technology for electrically adjustable comfort and healthcare furniture, serving customers through more than 60 locations on all six economically relevant continents. The group employs around 7,000 people worldwide and has been listed on the Swiss stock exchange since 1988.
For more than 30 years, Phoenix Mecano Inc. has served North American engineers from its Maryland headquarters as the regional arm of the Swiss-based Phoenix Mecano Group. The company is known for turning demanding enclosure projects into finished solutions, using in-house engineering and customization to support applications from medical technology to aerospace.
PhotoSquared App creates a mobile-based way to turn phone photos into printed, adhesive-backed squares for preserving and displaying memories. The company invites customers to continue their photo projects through the Storyboards platform, indicating a transition toward a broader set of photo-display products.
Known for museum-quality, closed-corner craftsmanship, Baltimore’s Phrame Inc. serves museums, galleries, artists, and collectors with custom frames made in its own shop. The company also provides careful art installation for clients across the Mid-Atlantic.
Phycin Inc engineers and manufactures next-generation growth factors, led by its Ultrastable™ basic fibroblast growth factor for regenerative medicine and advanced cell culture. Based in Frederick, Maryland, the company combines AI-guided protein engineering with a proprietary algae-based platform to produce animal-free, endotoxin-free growth factors. Its bFGF remains active for more than 21 days at 37°C and is designed to ease the storage and handling constraints of conventional products.
At Picklehead LLC, teenage inventor Robert “RJ” Batts created Tip Tough®, a kitchen safety product designed to protect chefs and home cooks from cuts while preparing food. The company began after RJ sought a way to protect his professional-chef father’s hands and developed the product through the Young Entrepreneurs Academy while still in middle school. Picklehead’s products are made in the USA, and RJ now uses the business to encourage other young people to invent and pursue entrepreneurship.
Apprentice-trained since the 1970s, PIE LLC Weld & Machine has spent 30 years building a word-of-mouth reputation in Maryland and Delaware for taking on repairs other shops turn away. The AWS-certified Warwick shop is best known for specialist marine aluminum work, while its mobile service brings difficult repairs directly to boats, farms and job sites. Its precision work has even included restoring a structural frame for the University of Delaware’s NASA-funded PUEO balloon mission.
Created in 2009 by three Lifshitz brothers who were looking for a better way to take their children along, Piggyback Rider makes standing child carriers that let toddlers ride on a non-slip bar while adults keep their hands free. The family-owned company’s compact carriers, tested first by the brothers’ eight children, support children from age two up to 50 pounds and are designed for outings ranging from hikes to crowded theme parks. Piggyback Rider also operates a Special Needs program inspired by one inventor’s daughter, who used the carrier to stay involved in family activities while living with a rare muscle disease.
Pilgrim Shoes, established in Europe in 1988 and based in Baltimore since 1997, makes and supplies diabetic and orthopedic footwear designed to look like everyday shoes rather than medical equipment. Its extra-depth footwear combines removable anatomical footbeds, multiple widths and specialized comfort features, while the company’s Hoopoe line has served U.S. customers since its arrival in America. Pilgrim also produces some footwear in the USA, including its Areni One collection, and distributes its products internationally.
Pillar Innovations is an employee-owned turnkey industrial contractor headquartered in Grantsville, Maryland. It provides contract manufacturing, fabrication and machining, custom machine building, electrical panels, automation, instrumentation, communications, fiber optics, fire protection, and technology solutions for aggregate, automotive, electric utility, manufacturing, mining, municipal, and oil and natural gas markets.
Founded in 2006 by Bill Birurakis, Pioneering Decisive Solutions (PIDESO) is a woman-owned, veteran-owned small business that designs and integrates automated test systems and provides engineering and logistics support for defense and commercial equipment. Based in California, Maryland, near Naval Air Station Patuxent River, the company supports systems throughout their life cycle, from development and fielding through hands-on maintenance and upgrades. Its work includes purpose-built testing applications such as SimulTest and advanced circuit-card testers.
Born from founder Noah Dan’s childhood in Trieste, Italy, Pitango Gelato makes authentic Italian gelato and fresh-fruit sorbet, churning each batch on site with organic milk from grass-fed Jersey cows. Founded in 2006, the still-family-owned company has grown to eight locations across Washington, D.C., Maryland and Virginia, adding a Fells Point bakery and café in 2015. Its made-from-scratch products contain no artificial colors, flavors or preservatives.