U.S. Tech High Return On Equity, Low Debt

Frequency Electronics

Market Cap: US$456.8m

Engages in the design, development, manufacture, marketing, and sale of precision time and frequency control products and components for microwave integrated circuit applications.

BK Technologies

Market Cap: US$308.0m

Through its subsidiary, BK Technologies, Inc., designs, manufactures, and markets wireless communications products in the United States and internationally.

Westell Technologies

Market Cap: US$60.9m

Through its subsidiary, designs, manufactures, and distributes telecommunications solutions to telephone companies in the United States.

Neonode

Market Cap: US$28.9m

Develops optical sensing solutions for contactless touch, touch, and gesture sensing in the United States, Japan, South Korea, Germany, Sweden, China, and internationally.

Universal Safety Products

Market Cap: US$12.5m

Together with its subsidiary, engages in the marketing and distribution of safety and security products in the United States.