Proterra is a company that specializes in cleaning above ground storage tanks, vessels, bullets, and towers for oil and gas companies in Canada. They use custom-built equipment and highly skilled workers to provide safe, reliable, and environmentally responsible cleaning services. Their services include non-entry equipment cleaning, de-gassing, odour control, and environmental protection measures. Proterra's REACT process ensures thorough analysis and efficient solutions for each project, with a focus on safety, environmental impact, and cost-efficiency.