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MD
Sustana turns recovered paper into recycled fiber and paper products, linking recovery, fiber production and papermaking in one circular manufacturing operation. Its materials end up in everyday products such as food packaging, coffee cups and books, with facilities tracing their roots to the Rolland Paper Company, founded in 1882. Sustana’s paper operations hold ISO 9001 and FSC® Chain of Custody certifications, while its EnviroLife and EnviroNatural fibers are FDA-compliant and ISEGA certified for direct food contact.
SUSTAP LLC is a certified U.S. Government contractor providing facilities support services and products. The company manufactures facilities support products, including pallets and corrugated boxes, and serves military and federal agencies.
Founded in 1977 as a hydraulic-seal supplier, DeKalb-based SVI International manufactures automotive lift equipment and supplies repair parts that keep older and current shop equipment working. Its engineers are known for “re-continuing” discontinued lift parts, while two ready-ship warehouses support same-day delivery across North America. SVI operates a 55,000-square-foot manufacturing and distribution facility and serves a network of more than 2,000 distributors.
SwingSesh makes heavy-duty steel fitness playsets that combine a backyard gym with a family swing set, so parents can train while children play. The family-run company grew from Brad’s Marine Corps test-pilot experience and Naomi’s work as an urban design consultant, with equipment developed and tested in their own backyard. Its modular, moveable designs are built for active families and can grow through different stages of childhood and fitness.
Syensqo is a global science company developing advanced materials and specialty chemicals, formed in 2023 after the split of Solvay. Headquartered in Brussels, it operates in more than 30 countries and produces materials for demanding applications, including the Solef® PVDF planned for its Augusta, Georgia battery-materials facility.
Founded in 1988, Sylva Native Nursery & Seed Co. is a wholesale nursery growing native plants and seed mixes for restoration and landscaping projects across the eastern United States. With growing locations in Maryland, Pennsylvania, Virginia and North Carolina, it supplies plants raised from regionally sourced seed and continues bringing additional native species into cultivation. Its work serves restorationists, landscape designers, contractors and other buyers seeking plants suited to local habitats.
Syncopated Engineering is a Maryland-based engineering company known for applying unconventional technology to difficult customer problems. It develops software and embedded systems for wireless communications, including cognitive radio solutions and real-time edge analytics for demanding operational environments.
Synergi is a specialty fabrication firm founded by Myles Admiraal in 1986, growing from a Winnipeg garage shop making brass railings into an international company headquartered in the DC area. Its closely integrated team is known for tackling visually demanding, engineering-heavy architectural work for commercial projects across North America and the UK, with a 50,000-plus-square-foot fabrication facility supporting that work. Synergi holds AISC certification for structural steel fabrication and construction.
Founded in 2001, Synergy Orthopedics provides recovery-care equipment and personalized fitting services for people rebuilding mobility after musculoskeletal injuries and surgery. Its licensed and certified staff work alongside physicians, fitting and adjusting devices at patients’ homes, medical facilities, and athletic training rooms. The company also supports providers with specialized care programs and manages more than 180,000 DME and bracing claims annually. Synergy is Medicare accredited and independently accredited by the BOC.
Founded in 2006 by American veterans, SYNEXXUS designs, manufactures, and deploys rugged command-and-control systems and autonomous platforms for defense and other infrastructure applications. Its patented Electronic Keel integrates sensors, communications, and computing across tactical vehicles and maritime craft, while the company also builds carbon-fiber vessels and adapts its digital systems for uses such as smart-grid monitoring. SYNEXXUS describes itself as a CMMI Level 3 American electronics designer and manufacturer, with systems combat-proven from Iraq and Afghanistan to NATO operations.
Syntonics, an Ironwave Technologies company, engineers and manufactures advanced communications systems for difficult aerospace and defense missions. Its work spans software-defined radios, custom waveforms and RF-over-fiber range-extension systems, including the FORAX family, which has fielded more than a million meters of fiber-optic RF transport. Based in the United States, Syntonics brings nearly 300 person-years of engineering expertise to roughly 50 government-funded R&D contracts and reports more than $100 million in contract deliverables.
Since its founding in 1977, System Engineering International has built its identity around American-made critical-power equipment from its 24,000-square-foot Frederick, Maryland, manufacturing facility. With more than 30,000 systems shipped worldwide, the company is known for supporting infrastructure that cannot afford a power interruption, particularly in industrial and telecommunications settings. SEI also helped shape the IEEE 802.3af Power over Ethernet standard and has manufactured midspan equipment since 2003.
For over 50 years, Systems Planning & Analysis has been a national-security adviser to defense, intelligence, and homeland-security agencies, helping leaders make decisions amid complex threats. The Alexandria-based company is known for combining rigorous analysis with operational experience, including through Red Six’s live-flight counter-UAS testing, which reveals vulnerabilities that routine demonstrations may miss. SPA has supported more than 150 DARPA programs and major defense efforts such as the Columbia-class submarine.
Since 2015, SYZMIK Sports has built its reputation around innovation in sports head health, drawing on a team with backgrounds in athletic-equipment and brain-impact research. Its SYZMIK brand, launched in 2022, is best known for protective headgear developed for football players, including the award-winning ARK ONE helmet and the X7C headband used by athletes from more than 17 national teams.
For more than 40 years, Baltimore-based SZCO Supplies has been a wholesale blade company known for its long-running role as both manufacturer and importer. Founded in 1984, it supplies retailers and distributors with products used by craftsmen, sportsmen, and hobbyists.
As a service-disabled veteran-owned business within Housen Health Services, T3 Williamson Mechanical draws on leadership with more than 60 years of combined experience and three decades serving federal installations. Based in Laurel, Maryland, the company is known for maintaining and repairing the building systems that keep government facilities operating, including HVAC and mechanical controls.
Based in College Park, Maryland, Tactical Mission Solutions is known for bringing more than 40 years of combined hands-on technical expertise to specialized vehicle work. The company serves agencies, commercial fleets, and off-road operators with mission-ready upfits, documenting each build so it can be serviced consistently after delivery.
Founded in 1971, TAG Engineering is a Baltimore manufacturer known for taking on complex production work for the defense, aerospace, and medical sectors. Its climate-controlled facility supports projects from a single piece to more than 10,000 units, backed by an AS9100-certified quality system.
From Baltimore, Taharka Brothers makes small-batch gourmet ice cream, pairing classic flavors with a rotating lineup shaped by local happenings and collaborations. The employee-owned company is built around a distinctive social mission: creating an impactful, profitable business managed and operated by young adults from some of Baltimore’s most troubled neighborhoods. Its roughly 60-flavor wholesale range includes specialty creations for restaurants across the Mid-Atlantic.
With 47 years of experience, Tailoring & Alteration Center reshapes clothing for a precise fit in Silver Spring, including wedding dresses and suits. The shop also makes custom clothing and applies its tailoring skills to drapery and upholstery, with free fittings and consultations available.