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Founded in 1997 with an engineering and technical foundation, RGBSI develops engineering, quality lifecycle management, workforce, and IT solutions for organizations worldwide. Based in Troy, Michigan, the company supports product realization from design and advanced manufacturing through quality management, with work ranging from medical-device machining to locomotive component design. RGBSI operates globally and is certified to ISO 9001:2015 and AS9100:2016 Rev D, while also holding Minority Business Enterprise certification.
Since 1985, RGS Machine Inc. has made custom precision-machined parts to customer specifications, serving OEM, government and commercial contractors from its Folsom, Pennsylvania shop. Its Citizen Cincom Swiss machining capability handles high-volume, close-tolerance work, while the company’s ISO 9001:2015 quality system supports inspection and dimensional control across production. Much of RGS’s business comes through customer referrals.
RHI Magnesita develops, produces and installs refractory materials and integrated services that protect furnaces and other equipment in high-temperature industrial processes. The company stands apart through vertical integration from its own mines to production and customer-site support, alongside a portfolio of more than 120,000 products. Its Agellis business also adds electromagnetic and infrared systems for monitoring steelmaking and continuous-casting operations.
Since Samuel Rhoads founded it in 1896 to build mechanical equipment for breweries, family-owned Rhoads Industries has grown into a Philadelphia Navy Yard manufacturer and services contractor supporting large-scale defense, maritime, and industrial work. Its 300,000-plus-square-foot Building 57 anchors operations with heavy-lift capacity and direct Delaware River access, alongside shipyard piers and dry docks. The company remains under fifth-generation family participation and operates a dedicated training center to develop the skilled tradespeople its demanding projects require.
Ricci's Italian Sausage is a family sausage maker founded by Ernest and Stella Ricci in McKees Rocks in 1945, using a family spice recipe brought from Sulmona, Italy. Three generations of Ricci sausage-makers have continued the same recipe, producing sausage in small batches and preparing foods at the shop. The company has been USDA federally inspected since 1973 and now ships frozen products nationwide.
Rice Electric Company has kept industrial operations running since its founding in Washington, Pennsylvania, in 1933, later moving to a seven-acre site in Eighty Four. Acquired by Joseph P. Femiani in 1980, the company is known for long-running electric motor repair and for pairing in-house shop work with 24-hour field response. It also supports The Watchful Shepherd USA, a child-abuse prevention organization.
Founded by Korean War veteran Richard Sensenig in Ephrata on August 1, 1958, Richard L. Sensenig Co. provides commercial and industrial roofing along with custom metal fabrication. The company grew from a family roofing business into a more than 80-person operation with second- and third-generation management, adding its Industrial Metals division in 1985. Its metal team has more than 30 years of experience designing and fabricating custom work, while its roofing crews provide 24-hour emergency repairs and preventative roof maintenance.
Veteran-owned Richard R. Gideon Flags has worked in professional vexillology since 1994, with founder Richard R. Gideon known internationally as a flag historian, author, and editor. The company’s U.S.-made military streamers serve military units and government organizations, while its flag-design work extends to schools, museums, and other groups.
Richards Manufacturing Company produces electrical and gas distribution equipment for utility and commercial/industrial customers. Founded in 1945 as a family-owned business making an underground connector, it has grown into a vertically integrated manufacturer with Irvington, New Jersey offices and manufacturing facilities. Its long-standing specialties include network protectors and medium-voltage products.
Now in its fourth generation of family ownership, RichardsApex, Inc. develops and manufactures specialty metalworking lubricants, process coatings, and cleaning compounds from its Philadelphia base. The company traces its roots to G. Whitfield Richards Co., founded in 1902, and has more than 120 years of experience, with particular depth in wire-drawing lubricants and technical support for demanding metal-forming applications. Its international operations include subsidiaries in the UK, Mexico, and Australia.
Established in 2002, Richardson Cooling Packages manufactures complete cooling systems for off-highway and industrial equipment, engineering and building every package in-house. The privately held New Castle company operates across three facilities with more than 165,000 square feet of manufacturing space, pairing application-specific design with vertically integrated production. Its cooling packages are 100% leak tested and produced under ISO 9001:2015 and ISO 14001:2015 certification.
Richlyn Manufacturing makes close-tolerance turned metal parts and has done so for over three decades. It specializes in exotic, hard-to-machine materials and moved its manufacturing operations into a new 30,000-square-foot climate-controlled building in 2012. The company describes production volumes ranging from single pieces to more than 100,000 parts per year.
Since Ed Richman founded it in 1988, Richman Chemical Inc. has built its identity around helping pharmaceutical and chemical companies use outside resources more efficiently. The Pennsylvania firm coordinates custom manufacturing projects and difficult raw-material sourcing for life-science, specialty-chemical, and emerging-technology companies, working through qualified partner facilities rather than a single plant.
Founded in 1996 by five electrical engineers, Pittsburgh-based Richmond Engineering Works designs, integrates and services bulk-material-handling equipment and systems. Its three-discipline engineering team supports machines such as rotary car dumpers and stacker reclaimers, while its in-house capabilities include reverse-engineered replacement parts for both REW and competitor equipment. The privately held company also provides 24/7 field support, including inspections, upgrades and breakdown assistance, and operates a separate oil-and-gas controls business.
From its Taiwan headquarters, Richtek Technology Corporation designs and supplies power-management integrated circuits and related solutions for electronics, with particular depth in memory, automotive, communication and data-center applications. Its portfolio spans everyday power regulation through specialized DDR5 server-memory PMICs, including solutions validated for Intel platforms and checked with multiple DRAM vendors. Richtek also supports automotive designs with AEC-Q100-qualified products and ISO 26262 functional-safety certification.
Richter Precision Inc. is a coating service provider specializing in PVD and CVD coatings, vacuum heat treating, and boronizing for tools and components. The company serves various industries including medical, aerospace, and metal-forming.
For more than 25 years, Ricochet Gear has operated from a historic factory in Philadelphia, building its reputation around firefighter-informed protective clothing made in the USA. The company’s custom-built PPE is designed to move with first responders while meeting the demanding requirements of their work, and its ISO 9001:2015-certified facility also produces non-PFAS turnout options.
For more than 80 years, Ricoh USA has made office and production printing equipment while helping organizations manage information and modernize their workplaces. Its work now extends from print and document services to process automation, collaboration technology and workplace management, with partnerships ranging from the Philadelphia Eagles to the University of Texas at Austin Athletics. Ricoh also supports additive-manufacturing companies by servicing 3D-printing equipment through its RICOH Service Advantage program.
Riddell makes football helmets and protective athletic equipment, and has been a long-standing leader in football head protection for more than 90 years. The company says its innovation has advanced from the original plastic helmet to smart helmet technology and digital 3D imaging and manufacturing.
For more than 80 years, Ridg-U-Rak has been a North East, Pennsylvania manufacturer known for building heavy-duty storage infrastructure in the United States. Its three local facilities span more than 400,000 square feet and produce over 130 million pounds of rack annually for warehouses and distribution operations. The company’s work carries RMI R-Mark certifications for its manufacturing, systems, and installation programs.