This directory lists 102 power supply manufacturers across the United States, from highly specialized medical-grade DC-DC converters to high-volume industrial AC-DC power bricks.
Buyers in this space are often solving complex problems related to maintaining stable output regulation under dynamic load conditions, extending product lifespan through judicious component derating strategies, and ensuring seamless compliance with a myriad of global safety and environmental certifications like IEC 60601-1 for medical devices or UL 62368-1 for IT/AV equipment. The objective isn't just power, but reliable, compliant, and efficient power delivery that integrates flawlessly into the end system.
Manufacturers in this category range from large-scale producers offering a wide array of Commercial Off-The-Shelf (COTS) units with global distribution, to highly specialized custom design houses focusing on niche markets, extreme environmental conditions, or compact form factors. A third type includes value-added resellers or integrators who modify standard power supplies to meet specific client requirements, offering a middle ground between full custom designs and rigid COTS solutions.