Welcome to SUMA, your provider for agitators and mixers, specifically designed for biogas plants and liquid manure tanks or lagoons. We've been delivering agitation solutions for nearly 60 years in the biogas, manure and waste water industry. Our knowledge and exclusive technology combined with our field-related expertise make SUMA able to optimize and deliver custom solutions for your business. With SUMA, your results will be efficient liquid manure management and reliable biogas yields.