International industrial valve manufacturer headquartered in Houston, Texas with international sales throughout Europe, Asia, North America and South America. We are an API 6A and API 6D monogram license holder and our plant is certified to API Q1. We are unique in that all our valves are available in all ANSI and API pressure classes and virtually any metallurgy required. From carbon and alloy steel to stainless steel and exotics including titanium and zirconium, AES can accommodate the most ordinary and extraordinary requirements.