Oil and gas company Resman has been acquired by private equity firm Nordic Capital for an undisclosed amount.

The company is reportedly raising another round from as yet unnamed investors.

The Israel-based solar inverter maker, which counts General Electric and Norwest Venture Partners as investors, will go public in the US next week.

The ultraviolet disinfection technology company raised the cash in a round featuring Applied Materials' corporate venturing arm.

With the slow recovery from the financial crisis and divestiture strategies undertaken by some big players, 2014 was marked by numerous exits by corporate investors in the industrials sector.

The water purification plant operator will invest $24m in the environmental protection-focused fund, which is being launched in conjunction with private equity firm JD Capital.

The Israel-based solar inverter maker, which counts Norwest Venture Partners and GE Capital as backers, intends to float on Nasdaq.

Tom Whitehouse, chairman of London Environmental Investment Forum and founder of Carbon International, explores trends in clean-tech.