From its Maryland base, ubld.it makes USB hardware random-number generators and practical electronics kits for builders, developers, and experimenters. Its TrueRNG line uses semiconductor avalanche noise to produce physical entropy, while the company’s small-board products extend to MIDI, embedded debugging, and audio projects. ubld.it also helps small businesses and entrepreneurs move custom PCB ideas from concept through prototyping and production support.
RPM TechRPM Tech grew from a Harford County basement startup founded in 2006 into a product development company with more than 20 full-time employees. Based in Forest Hill, Maryland, the company helps startups and large corporations turn new ideas into manufacturable products, with engineering and prototype work carried out under one roof. Its 10,000-square-foot facility supports projects from early concepts through production transition.FOREST HILL, MD
Land BoardsLand Boards designs and makes electronics development boards and modules for makers working with embedded computers, microcontrollers, FPGAs, retro computers and ham radio. Its catalog is especially distinctive for spanning modern platforms such as Raspberry Pi and Arduino alongside dedicated retro-computing hardware and Eurorack synthesizer modules. The company also publishes extensive project documentation through its Land Boards Wiki.CONNELLSVILLE, PA
TinyCircuitsAkron-based TinyCircuits designs and manufactures miniature, open-source electronics in the United States, from modular maker boards to programmable handhelds and tiny televisions. Its first product, the TinyDuino platform, launched through Kickstarter in 2012 and raised more than 1,000% of its goal. Today, the company’s solder-free platforms and miniature devices support maker projects, STEAM learning, and a global user community spanning more than 60 countries.AKRON, OH