PärJörgen Carlshamre

Softube AB is a holding company that develops both hardware and software for the audio industry. It offers channel strips, dynamics, amplifiers, effects, and equalizers. The company develops mathematical models and digital signal processing algorithms for audio applications. It engages in digital simulations of tube and transistor preamplifiers, tube power amplifiers, tone stacks, and loudspeakers. Softube was founded by Carl Oscar Emil Öberg in 2003 and is headquartered in Linkoping, Sweden.

Almi Invest AB (Almi) is a Venture Capital subsidiary of ALMI Företagspartner AB, founded in 2009. The firm is headquartered in Stockholm, Sweden.

Qulsar Sweden AB provides semiconductor standard products for packet based synchronization. It develops circuits and modules for synchronizing telecommunications and power networks. The company was founded in 2008 and is headquartered in Kista, Sweden.

Ericsson AB manufactures and markets telecommunications equipment and solutions for corporate, as well as individual clients. It develops, sells, and trades goods, products, and services in the field of radio technology. The company was founded in 1952 and is headquartered in Kista, Sweden.

Evothings AB used to provide mobile application software. The company was founded by Tomas Uppgård and Alex Jonsson in July 2013 and was headquartered in Stockholm, Sweden.

Efield AB designs and develops electromagnetic analysis simulation software. It is a software development company that primarily offers integrated electromagnetic simulation system. It offers FD hybrid add-on, TD hybrid add-on, and parallel add-on. The firm also provides pre-processing, time domain solvers, frequency domain solvers, waveguide modelover, post-processing, high performance computing, and cavity RCS tool. The company was founded in 2006 and is headquartered in Sollentuna, Sweden.