ESC Spectrum Corporation
Environmental ServicesTexas, United States51-200 Employees
ESC Spectrum Corporation is an environmental services firm based in Austin, Texas, serving industries that rely on emissions monitoring and regulatory reporting. With a history spanning more than five decades, the company helps customers meet air emissions standards through data acquisition and continuous emissions monitoring solutions, supported by maintenance, design, and training services. It provides CEMS equipment and calibrates analyzers from major manufacturers. Its customers include electric power, petroleum and ethanol, glass, food and beverage, and pulp and paper sectors, among others with stringent emissions requirements. The company operates as a mid-sized firm within the environmental services field. In 2025, Alliance Technical Group acquired ESC Spectrum.