Alliance Corporation is an air pollution control equipment manufacturer and service company specializing in Regenerative Thermal Oxidizers. Alliance Corporation is a low profile company dedicated to building the best Regenerative Thermal Oxidizers (RTOs) in the industry. We are a very technical firm, focused on our products and service. Our primary source of new business is by referral. This approach may not ensure rapid growth, however, it does ensure that we maintain an outstanding reputation for exceptional value with our steadily growing customer base.