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Astrotech Corporation operates as a mass spectrometry company worldwide. It owns and licenses the intellectual property related to the Astrotech Mass Spectrometer Technology, a platform mass spectrometry technology. The company also develops TRACER 1000, a mass spectrometer-based explosive trace detector to replace the explosives trace detectors used at airports, cargo and other secured facilities, and borders. In addition, it develops AgLAB-1000, a mass spectrometer for use in the hemp and cannabis market. Further, the company develops BreathTest-1000, a breath analysis tool to screen for volatile organic compound metabolites found in a person's breath. The company was formerly known as SPACEHAB, Inc. and changed its name to Astrotech Corporation in 2009. The company was incorporated in 1984 and is based in Austin, Texas.

Espey Mfg. & Electronics Corp., a power electronics design and original equipment manufacturing company, designs, manufactures, and tests electronic equipment primarily for use in military and industrial applications in the United States and internationally. The company's principal products include power supplies, power converters, filters, power transformers, magnetic components, power distribution equipment, UPS systems, antennas, and high-power radar systems for use in AC and DC locomotives, shipboard power, shipboard radar, airborne power, ground-based radar, and ground mobile power applications. It also provides various services comprising design and development to specification, build to print, design services, design studies, environmental testing services, metal fabrication, painting services, and development of automatic testing equipment. In addition, the company produces individual components, such as inductors, as well as paints, wires, qualifies, and test items; populates printed circuit boards; and fabricates metalwork. It serves industrial manufacturers and defense companies, the government of the United States, foreign governments, and foreign electronic equipment companies through its direct sales organization and outside sales representatives. Espey Mfg. & Electronics Corp. was incorporated in 1928 and is based in Saratoga Springs, New York.

SIFCO Industries, Inc., together with its subsidiaries, produces and sells forgings and machined components primarily for the aerospace and energy markets in North America and Europe. The company's processes and services include forging, heat-treating, chemical processing, and machining. It also offers original equipment manufacturer and aftermarket components for aircraft and industrial gas turbine engines; steam turbine blades; structural airframe components; aircraft landing gear components; aircraft wheels and brakes; rotating components for helicopters; and commercial/industrial products. In addition, the company provides heat-treatment, surface-treatment, non-destructive testing, and select machining and sub-assembly of forged components. SIFCO Industries, Inc. was founded in 1913 and is headquartered in Cleveland, Ohio.