Astro Pak
Metal TreatmentsCalifornia, United States201-500 Employees
Astro Pak provides passivation, precision cleaning, and high-purity chemical cleaning services for systems and components that require stringent cleanliness. Its customer base spans pharmaceutical, biotechnology, aerospace, laser, semiconductor, water treatment, and other industrial sectors, often governed by external cleanliness standards from agencies such as the FDA or NASA. The company performs work on site at customer facilities and also processes parts in its cleanrooms or shop locations. These services aim to extend equipment life, minimize downtime from corrosion, and support regulatory compliance in client facilities. Headquartered in Costa Mesa, California, Astro Pak employs a workforce of several hundred people and has built 65 years of experience in cleaning chemistries and processes. In 2026 the company expanded its presence in California by acquiring Clean Sciences and later Purepass Services, broadening its cleanroom footprint and service capabilities.