Arch Rock Corporation is a private equity firm, not a company specializing in alternative energy solutions. Their website, www.archrock.com, clearly states their focus is on investing in and managing energy infrastructure assets. While they may invest in companies involved in alternative energy, Arch Rock itself is not an alternative energy provider or solution company. Therefore, a detailed writeup focusing on Arch Rock's activities as an alternative energy solutions provider is not possible based on the provided information and the company's actual business. Their primary function is private equity investment within the energy sector, which includes but is not limited to, traditional energy sources.