VACCO Industries, a wholly owned subsidiary of ESCO Technologies Holding Inc., is a diversified manufacturer of commercial and defense products and systems sold to customers worldwide. ESCO, headquartered in St. Louis, is a proven supplier of special purpose communications systems for electric, gas and water utilities, including hardware and software to support advanced metering applications. In addition, the Company provides engineered filtration products to the process, health care and transportation markets worldwide, and is the industry leader in RF shielding and EMC test products.

VACCO was founded in 1954 as Vacuum and Air Components Company of America, which was later changed to VACCO Industries. Since its inception, VACCO's extensive product development has diversified the company's products to better serve its customers.

Today, VACCO Industries is the leading supplier of fluid components to the space and defense industry worldwide, as well as Multi-Fab manufacturing services, which incorporate Precision Photochemical Etching, Micro Laser Machining and Vaccum Furnace Diffusion-Bonding Technology.