Aquilex Welding Services is a welding company founded in 1978 that offers a wide range of welding services and technologies. It has over 300 technicians, 1050 welder certifications, and expertise in fields like field engineering, simulation, and non-destructive testing. The document highlights the company's Unifuse 360 system for tube welding, which applies an optimal weld chemistry and controls all weld parameters to achieve the lowest dilution.