Institutes of technology or polytechnic institutes are technologically focused universities, many dating back to the mid-19th century. A handful of American universities include the phrases Institute of Technology, Polytechnic Institute, Polytechnic University, University of Technology or similar phrasing in their names; these are generally research-intensive universities with a focus on Science, Technology, Engineering and Mathematics (STEM).

The California Institute of Technology (branded as Caltech) is a private research university in Pasadena, California. The university is responsible for many modern scientific advancements and is among a small group of institutes of technology in the United States that are strongly devoted to the instruction of pure and applied sciences. Due to its history of technological innovation, Caltech has been considered to be one of the world's most prestigious universities.