Längvik Ulf Greger Johansson

Effective Mind AB provides software for creative brainstorming. It develops and sells tool for creativity and efficiency processes. The software supports the creative process from the challenge to impulses, to get new ideas, prioritizing, and visualization of the potential of the new ideas. The company was founded in 2010 and is headquartered in Gothenburg, Sweden.

Poseidon Diving Systems AB is a holding company that manufactures scuba diving equipments for military and commercial divers. It produces a single hose regulator, which is a breathing apparatus. The firm's product Poseidon MKVI is a rebreathing system designed for recreational divers. The company also manufactures regulators and gauges; rebreather accessories; buoyancy compensators; dry suits; wetsuits; mask and fins; and accessories. Poseidon Diving Systems was founded by Ingvar Elvström and Dennis Österlund in 1958 and is headquartered in Vastra Frolunda, Sweden.

Jowa AB manufactures and supplies environmental protection equipment for the shipping industry. Its products include equipment for treatment of oily water, fuel treatment systems, miscellaneous systems, monitoring and control systems, tank measurement and sampling and water handling systems. The company is headquartered in Kallered, Sweden.