Steel Partners Holdings L.P., through its subsidiaries, engages in industrial products, energy, defense, supply chain management, logistics, direct marketing, banking, and youth sports businesses worldwide. It operates through Diversified Industrial, Energy, and Financial Services segments. The company fabricates precious metals and alloys into brazing alloys; manufactures and sells seamless stainless steel tubing coils; fasteners, adhesives, and fastening systems for the commercial low slope roofing industry, as well as specialty fasteners for the building products industry; and woven substrates of fiberglass, quartz, carbon, and aramid materials for specialty applications. It also designs, manufactures, and markets power electronics and protection, motion control, power quality electromagnetic equipment, custom ball-screws, and custom gears and gearboxes used in medical, commercial and military aerospace, computer, datacom, industrial, LED lighting, test and measurement, and telecom