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Shroyer Electric, Inc. brings electrical contracting, engineering, automation, and IT/OT expertise together to manage complete industrial projects and improve manufacturing processes. Its work spans new system design and implementation as well as field support, with a particular capability in UL 508A industrial control-panel building and Rockwell Automation integration. The company serves manufacturers seeking one team for electrical construction, controls, and digital transformation work.
Founded in 2013 by Zachary and Erika Shumaker, ShuBrew Brewery and Food is a Zelienople restaurant and brewery pairing craft beer with globally influenced food from a scratch kitchen. Though brewing moved to nearby Harmony in 2016, the Main Street gathering place continues to serve beer alongside seasonal dishes built with local purveyors, suppliers, and farmers. ShuBrew became Butler County’s first restaurant to earn Sustainable Pittsburgh’s platinum designation in 2019 and incorporates practices such as donating spent grain to local farmers and minimizing kitchen waste.
Three generations of the Shumaker family have built this Northumberland manufacturer around service to the ready-mix concrete industry. Founded in 1953 by WWII Navy welder Roy Shumaker, the company grew from a small welding and drum-repair shop into a roughly 50-person operation whose Load & Go system extends its practical, manufacturing-focused tradition to fleet washing.
Shumar’s Welding and Machine Services, Inc. is a welding, fabrication, and machining company established in 1974, with more than 50 employees and facilities totaling 127,000 square feet. It specializes in heavy equipment and mine repair, and manufactures mining equipment including longwall mining equipment. The company operates welding, piping, and machine-shop facilities serving customers in the tri-state area.
Shuster’s Building Components manufactures millwork and door systems, with a longstanding specialty in pre-hung doors. Founded by Tony Shuster Sr. in 1950, the family company is now entering its third generation and serves a distribution area across much of the Northeast. It also offers commercial doors and pre-finishing.
SI Systems designs and supplies material-handling and assembly automation equipment, with a history dating to 1958. The Easton, Pennsylvania company specializes in warehouse order-fulfillment automation and in-floor towline conveyance for sequential assembly operations; it also provides engineering design and lifecycle support for automation systems.
Sibanye-Stillwater is a multinational mining and metals processing group with operations, projects and investments across five continents. Its business includes mining and processing metals and recycling and refining precious-metal-bearing materials for customers.
Founded in 1949, Sieling and Jones, Inc. serves architects, woodworkers, and furniture manufacturers with architectural plywood and other wood products. The company designs, samples, and produces customized flat and curved plywood, and has expanded its work to include CNC machining and finishing. It also holds a Forest Stewardship Council chain-of-custody certificate and describes a longstanding commitment to responsible forestry and recycling.
Siemens Energy is an energy technology company that supplies equipment and services for power generation and transmission, describing itself as a leader supporting companies and countries in building resilient, affordable, and sustainable energy systems. Its portfolio includes power-grid hardware and power-generation technology, alongside lifecycle and digital services for energy infrastructure. The company states that Siemens Energy and Siemens Gamesa are becoming Omterra under a new brand.
Known for more than 125 years of work in medical technology, Siemens Healthineers AG is a publicly listed, independent company within the Siemens group. It develops healthcare technology and services for professionals and institutions, with a particular focus on helping providers make clinical care more precise and hospital operations more effective.
Siemens Mobility develops and supplies rail vehicles, rail infrastructure, and digital solutions for rail transportation. Its offerings span rolling stock and signaling infrastructure as well as lifecycle and cybersecurity services for rail operators.
Siemens is a global technology company that combines the real and digital worlds to support customer transformation. Its stated work spans industrial AI, automation, electrification and digitalization, with technologies used in factories, buildings and transportation. The company says its history dates to 1847 and reports regional headquarters, innovation hubs and manufacturing facilities across more than 200 countries.
Sierra Hygiene Products is a U.S.-based paper converting manufacturer with operations in three Maryland locations, built around domestic production and a technology-driven approach. Its automated lines support dependable supply for janitorial and food-service customers, with commercial roll towels among its offerings.
Founded by retired New York City firefighter George Sigelakis, Sigelock Systems makes the Spartan fire hydrant, a modern redesign built to address leaks, tampering, and unreliable performance in aging water infrastructure. The Franklin, Pennsylvania company says the Spartan is the first significant new hydrant design in more than a century, with its first pilot installation in 2009 and deployments now spanning more than a dozen U.S. states and Canada. Its Spartan 300 carries a 25-year warranty and UL246B certification for tamper prevention and durability.
Sightline Commercial Solutions engineers and fabricates architectural and venue systems that solve the practical demands of sports, live entertainment, and commercial spaces. From its Minnesota headquarters, the company combines USA-made craftsmanship with project experience ranging from a 735-square-foot glass bridge at New Orleans’ Audubon Aquarium to custom metal paneling and railings at the Jacksonville Jaguars’ training center. Its work also includes the infrastructure behind flexible stadia and memorable public experiences.
Sigma Aerospace Metals is known for a sales team with more than 100 years of combined aerospace-industry experience and for tracking down hard-to-find material. The company supplies aerospace-quality metals to aircraft and aerospace manufacturers from three U.S. locations, with AS 9120 Rev B and ISO 9001:2015 certification supporting its quality program.
Since 1982, SIGMA Engineered Solutions has grown into a Garner, North Carolina–headquartered manufacturer serving customers worldwide. The company is known for vertically integrated production and engineering support, helping manufacturers develop precision metal components for markets ranging from automotive to telecommunications. Its 13-facility footprint across the U.S., India, and Mexico gives customers a single manufacturing partner with local expertise and global reach.
Born from Pittsburgh-area founder Tyler Overmier’s experience as a collegiate swimmer, Sigma Snacks makes all-natural caffeinated energy cookies for people who need food and fuel in the same bite. Its soft-baked cookies combine 90 milligrams of natural caffeine with plant-based protein and are made in the USA without artificial preservatives. Overmier’s team brings together food-technology, culinary-development, and CPG manufacturing experience to develop the company’s portable alternative to coffee or a pre-workout drink.
Sigma Tool & Molding Inc. is an Erie, Pennsylvania, tool-and-die shop that builds complex core-and-cavity plastic injection molds for domestic and offshore production. Its in-house capabilities extend from mold design and repair to laser welding, polishing, and engraving, with hot-half manifold repair standing out as a specialty the company says many competitors do not offer. Sigma also supports customers with prototype 3D-printed parts and ongoing service after a tool enters production.
Founded by Dr. Spiro Spireas in 2005, Sigmapharm Laboratories is a privately held specialty pharmaceutical company built around solving formulation problems that make certain medicines difficult to develop. From its Bensalem campus, the company researches and manufactures generic and branded drugs using proprietary delivery systems, then brings selected products to market under its own label.