Proto Solutions and Machining was acquired by SemperForge, Inc. on May 2018. Proto Solutions operates as a DBA of SemperForge, Inc. Proto Solutions is a US-based company that focuses on low-volume, high-quality prototyping and machining. Our creations are proudly fabricated locally in San Diego, CA. Proto Solutions has broad experience with machining and manufacturing in several sophisticated industries including but not limited to Aerospace, Automation, Homeland Security, Defense and X-Ray Inspections.