Air T is a holding company. Through its subsidiaries, the company operates the following industry segments: overnight air cargo, which operates in the air express delivery services industry; ground equipment sales, which manufactures and provides mobile deicers and other equipment products; ground support services, which provides ground support equipment maintenance and facilities maintenance services; commercial aircraft, engines and parts, which provides services including commercial aircraft disassembly/part-out services; and printing equipment and maintenance, which designs, manufactures and sells digital print production equipment and provides maintenance services to commercial customers.

Home Federal Bancorp is a savings and loan holding company. Through its subsidiary, Home Federal Bank, the company provides financial services to individuals, corporate entities, and other organizations through the origination of loans and the acceptance of deposits in the form of passbook savings, certificates of deposit, and demand deposit accounts. The company's loan portfolio consists of: one-to-four family residential real estate loans; commercial real estate secured loans; multi-family residential loans; commercial business loans; land loans; construction loans; home equity and second mortgage loans; equity lines of credit; and consumer non-real estate loans.

NeoPhotonics develops, manufactures and sells optoelectronic products that transmit, receive and switch high-speed digital optical signals for Cloud and data center internet content provider and telecom networks. The company focuses on products that operate at speed over distance, for 100 Gigabits per Second (G), 200G, and 400G and above data rates, such as at 600G and 800G. The company produces transmitter and receiver components and modules, as well as switching products, for 100G and beyond transmission over distances of two to 2,000 kilometers. The company integrates transmitter and receiver components into next generation pluggable transceiver modules.