Hans Fredrik Runesten

Part of Sagax AB, Factum Electronics AB is an electronics manufacturer that specializes in television and radio broadcasting devices. The company is based in Linköping, Sweden. Factum Electronics was acquired by Sagax AB from Teracom AB on October 14, 2002.

Cassandra Oil AB engages in the production of processing plants for recovery of oil, gas, and metals from waste materials. The company industrializes and commercializes patented and scalable reactor technology for recycling of hydrocarbon-based waste and production of oil. It focuses on the recycling of car tires, plastic waste, oil sludge, and oil spill decontamination. The company was founded by Lars Anders Olsson in 2011 and is headquartered in Vasteras, Sweden.

Broadgate & Stendörren Fastigheter AB owns and manages real properties such as apartments. It focuses on residential real estate and housing and also owns rental properties and industrial properties. The company is headquartered in Stockholm, Sweden.

Effnet AB develops and commercializes new technologies for IP based networks. It offers Effnet EthHC, which is used to compress the Ethernet header; Effnet robust header compression (ROHC) that enables VoIP and supports compression of various header chains; Effnet ROHC-TCP, which provides improved bandwidth efficiency when used with protocol enhancement proxies on satellite networks, bandwidth optimization techniques in WAN optimizers, TCP accelerators, and on backhaul links; and Effnet ROHC-IP that adds support for compression of IP packets. The company was founded in 1997 and is headquartered in Lulea, Sweden.