NXP vs GHM Comparison

Nuveen Select Tax Free Income Portfolio is a closed-end management investment company. Its investment objective is to provide current income exempt from regular federal income tax, consistent with preservation of capital. The fund has single operating segment.

Graham Corp designs and manufactures mission-critical fluid, power, heat transfer, vacuum, and mixing technologies for the Defense, Energy & Process, and Space industries. In Defense, its equipment is used in nuclear and non-nuclear propulsion, power, fluid transfer, thermal management, and mixing systems. In Energy & Process industries, it supplies equipment for vacuum, heat transfer, mixing, and fluid transfer applications used in oil refining, chemical facilities, fertilizers, ethylene, methanol, energetics, food & beverage, medical, and alternative energy applications such as hydrogen and geothermal processes. In the Space industry, its equipment is used in propulsion, power, thermal management, mixing, and life support systems. It operates in the United States and other countries.