Alexander Vigander

Maintrac AB develops and maintains fiber networks. It serves local network operators and larger operators for fiber based communications network for households, corporations, and schools. The company was founded by Tor Borrhed, Jan Svanteson, Anders Mielonen, Lars Göransson, and Frank Bekamp in 2005 and is headquartered in Linköping, Sweden.

Kaelus AB is a private company that provides calibration solutions for their Kaelus PIM analyzers. The company is based in Täby, Sweden. The Swedish company's product, the ACE-1000A, allows users to self-calibrate their analyzers in the field, reducing downtime to less than an hour and increasing productivity by retaining instruments in the field. The company was founded in 2010 by Mats Olof Gustavsson, and the CEO is Peter Harald Sandberg.

Eastern Light AB provides international fiber-optic cable route services.

Vinnergi AB provides a range of services related to building infrastructure, electricity, inspection, documentation, technical management, security, and site acquisition. The private company is based in Linköping, Sweden.

Vinnergi Holding AB owns and manages other businesses. The company is headquartered in Linkoping, Sweden.

Elonroad AB provides Charging infrastructure with electric roads and Automatic Park charging. The firm offers electric road, bus stop charger, green city transport, car park charger and long haul truck products. The company was founded by Dan Fredrik Zethraeus in 2014 and is headquartered in Lund, Sweden.

ParkTrade Europe AB provides technology and database services. Its products include EPASS24, is used to manage congestion taxes, infrastructure charges and similar and ParkiaPay, is used to notify vehicle owners and vehicle rental providers throughout the world in regards to parking fines issued by municipalities and parking companies in many European countries. The company was founded in 2005 and is headquartered in Stockholm, Sweden.

BrainHeart Capital AB is a venture capital firm located in Stockholm. Established in 1999, the firm focuses on growth investments in the wireless technology sector. BrainHeart's investors include a range of institutions, insurance firms and pension funds in the Nordic region. Since 2005, Argnor Wireless Ventures, an independent Swedish venture capital firm specializing in early-stage wireless entrepreneurship investments, has worked closely with BrainHeart.

Part of BT Group Plc, BT OnePhone Ltd. is a telephony services provider. The company is based in London, UK. BT OnePhone was founded in 2012. BT OnePhone was acquired by BT Group Plc on September 28, 2021 for $132.36 million.

Swefour AB operates as a holding company with interest in wireless telecommunication and data connectivity services. The company was founded on November 2, 2001 and is headquartered in Stockholm, Sweden

Microdata Telecom Innovation Stockholm AB engages in the radio frequency (RF) filter solutions. Its products include filter solutions, tower mounted amplifier, accessories and test and measurement solutions. The company was founded by Mats Olof Gustavsson in 1981 and is headquartered in Taby, Sweden.

OnePhone Holding AB provides telecommunications investment services. It provides fixed-to-mobile replacement services. The company was founded in 2008 and is headquartered in Stockholm, Sweden.

General Wireless Scandinavia AB provides multimedia messaging services. The firm offers services to mobile operators, enterprises, and internet businesses. Its customers include Vodafone UK, Orange, TIM, KPN, and TeliaSonera. The company was founded in 2000 by Johan Mårdfelt and is headquartered in Stockholm, Sweden