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MD
Founded by acoustics and ultrasound expert Alan Winder, Sonogen Medical develops advanced ultrasound devices for bone-fracture healing. Based in Baltimore’s Launchport medical-device incubator, the company pairs a portable 20-minute-per-day treatment device with ultrasound-based monitoring that lets patients and caregivers follow healing progress. Its technology grew from Winder’s decades of sonar and medical-ultrasound research, including work that helped commercialize an earlier ultrasonic bone-healing device.
Since 1969, Baltimore’s family-owned, third-generation woman-owned Sosco Corporation has made precision die-cut components for commercial, military, aerospace and defense applications. The company operates from a privately held 10,000-square-foot facility and has supported projects ranging from fighter-aircraft programs to automotive gaskets. Sosco is AS9100 Rev D and ISO 9001:2015 certified and registered with ITAR and the Department of Defense.
Founded in 1983, South Atlantic Controls is a Williamsport, Maryland automation company known for carrying industrial control projects from concept through ongoing support. It serves customers across the United States and internationally, with particular experience helping manufacturing, material-handling, and mining operations modernize or install control systems.
Founded in 2016 from mom-and-pop roots, South Florida SIPS builds homes and light commercial structures with structural insulated panels designed for strength, efficiency, and storm resistance. Its magnesium-oxide panels have been wind-load tested up to 230 mph, while the company’s projects span the United States and the Virgin Islands. The team says it gives every project the same hands-on attention, whether large or small.
South Mill Champs is a vertically integrated mushroom company that grows and processes mushrooms at farms and processing facilities across North America. It supplies fresh mushrooms as well as processed and value-added mushroom products to retail, foodservice, industrial, and consumer customers.
Founded in 1980 by Milton Sundbeck, Southern Ionics remains a family-owned chemical manufacturer and delivery company that grew from a garage operation in Mobile, Alabama into a 350-plus-employee business with facilities across the United States. The West Point, Mississippi-based company is known for developing practical chemical solutions for municipal and industrial customers, backed by a 15,000-square-foot research and development center and an ISO 9001 quality system.
Founded in 1904 during Oklahoma’s oil boom, Southern Sheet Metal Works Inc. is a Tulsa-based, family-owned manufacturer of custom sheet-metal fabrications and HVAC ductwork. Now in its fifth generation of Tidwell family ownership, the company has grown from an early oil-field supplier into a custom manufacturer handling everything from prototypes to industrial ventilation systems. Its Southern Safe Rooms division, launched in 2011, builds Tulsa-fabricated storm shelters certified to withstand an EF5 tornado.
With a history spanning more than 100 years, SP Industries is a Warminster-based manufacturer known for its deep expertise in scientific equipment for pharmaceutical and life-science work. Its production facilities in the United States and Europe support customers in more than 150 countries, while ISO 9001:2015 certification applies across its facilities.
Spaceworx manufactures modular privacy pods in Maryland, spanning acoustical office booths, lactation spaces, and correctional-grade enclosures. Its American-made, made-to-order units are designed for quick installation and customization, with sound reduction of 40–45 decibels and a 10-year warranty on the pod structure. The company’s MomSpace line is UL 962 certified and includes wheelchair-accessible options, while Duramate is built specifically for correctional facilities.
SPAGnVOLA Chocolatier is an award-winning single-estate chocolate maker founded by Eric and Crisoire Reid. It grows cacao at Hacienda de SPAGnVOLA in Hato Mayor Del Rey, Dominican Republic, processes the beans from harvest through roasting and conching, and hand-finishes chocolate bars, truffles, bonbons, and hot chocolate for customers in the Maryland, Washington, D.C., and Virginia region and online.
At Joint Base Andrews, Spark X is an Air Force innovation hub that helps Department of Defense personnel turn everyday operational problems into practical solutions. Falling under AFWERX’s Spark division, the center combines hands-on making with digital development and teaches skills personnel can apply in their units. Its projects have included a 3D-printed lavatory-puck box for the 89th Maintenance Group and a portable equipment-reservation app for the 316th Wing.
Formed in 1988 by Raymond H. Glaeser Jr., Sparkle Pools Inc. builds and maintains vinyl-lined in-ground swimming pools and sells Marquis Spas across Maryland’s Eastern Shore and much of Delaware. The company has completed more than 2,000 residential pool projects, with an owner actively involved from initial estimates through construction and a staff bringing more than 300 years of combined experience. Its custom-cut liners and DuraWall polymer-wall construction are backed by a lifetime wall warranty, while its technicians also handle pool openings, repairs and liner replacements.
For more than 35 years, Sparta Luxe, LLC has been a Baltimore-based, made-in-USA apparel factory serving both domestic and internationally known brands. It provides contract cut-and-sew production for activewear and sportswear, with projects ranging from customer concepts to finished garments.
Spartech, LLC engineers and manufactures specialized plastic materials and products, including custom extruded sheet and roll stock. Its capabilities span twelve U.S. plant locations and an Innovation Center in St. Louis, where the company works with customers on product development and prototyping. Spartech serves demanding markets including aerospace, healthcare, packaging, mobility, and construction.
Spec Graphic is a visual communications shop known for turning designs into distinctive physical graphics and displays. Its work serves organizations needing custom signage, vehicle graphics, exhibits, or other branded environments.
Special Tees is a Frederick, Maryland shop known for helping schools turn class memories into custom apparel. Its school catalog program incorporates signatures or typed names into personalized class designs, while the company also serves businesses, organizations, and individuals nationwide.
Specialty Powders develops and processes polymer powders for rotational molding and other demanding industrial applications, pairing custom formulations with toll processing from lab scale through production. Its long-serving team works directly with customers on material development and processing challenges, while ISO 9001-certified facilities support consistent results. With plants in Allentown, East Chicago, China and Grand Junction, the company serves customers globally with both established resins and tailored powder solutions.
Spectrum Advanced is an Elkton industrial holding company whose roots reach back to 1986, when its Fluoron business began applying fluoropolymer coatings by hand in a converted workshop. The company now brings three specialized operations under one team, helping manufacturers in sectors such as paper and aerospace keep critical equipment running.
Spectrum Control designs and manufactures RF/microwave components, electromagnetic-interference protection products, power distribution systems, optical transceivers, microelectronics, subsystems, and custom solutions. Its capabilities include thin-film and thick-film processing, hybrid interconnect fabrication, assembly, integration, testing, and high-reliability manufacturing for aerospace and defense, space, avionics, wireless test, healthcare, and other commercial applications.
Spectrum Signal Processing designs and builds board- and system-level hardware solutions for demanding signal processing applications. It provides high-performance data acquisition and reconfigurable signal processing hardware for ISR, military communications, and satellite communications markets.