Founded in Delaware in 2011 by William Kiryluk, Eluktronics builds high-performance gaming laptops in the USA, including its customizable HYDROC, MAX, and MECH lines. With facilities in Delaware and Pennsylvania, the company stands out for enthusiast-focused configurations, including DIY barebones systems and its distinctive external Liquid Propulsion Package cooling for sustained performance.
StinceBuiltJeff “Stince” Stinson has been building PCs since the late 1990s, bringing a personal builder’s touch to StinceBuilt’s Lemoyne, Pennsylvania operation. The company creates custom performance computers in-house, with systems shaped around each customer’s needs and backed by support from the people who build them.
RLC Electronic Systems, IncFounded by Harry Kundrat in 1969, RLC Electronic Systems designs and manufactures custom electronic systems, taking products from concept and prototyping through production at its Pennsylvania facility. The company grew from early work in liquid-flow instrumentation into a 50,000-square-foot operation serving demanding applications such as cryogenic controls, medical equipment and gaming systems. RLC keeps engineering and manufacturing under one roof, supporting projects from small prototype runs to hundreds of thousands of units annually.SINKING SPRING, PA
Paradox CustomsParadox Customs builds custom gaming PCs, from configurable systems and prebuilts to specialized liquid-cooled rigs. The company also offers PC optimization and technical support, with custom builds typically assembled in two to three weeks and select ready-to-ship systems dispatched within 48 hours. Local pickup is available for its custom-built PCs.DEER PARK, NY
CortesGamingOperating from Rockville, Maryland since 2019, CortesGaming is a U.S.-based custom computer company known for carefully tested systems built by its technicians. It serves gamers, creators, and professionals, with every machine subjected to quality inspection and a lengthy burn-in process before shipment.