"Doing it right the first time and every time" Allen Technologies is a Design, Engineering & Manufacturing ASME Code Company. Since 2007 we have been helping our clients with oil, gas, and water equipment needs. knowing that every customer's need is different, we use years of experience to help them become more efficient, more productive and more profitable. Allen Technologies has placed its stamp on the world as a leader in engineering and manufacturing of ASME code equipment. We also have evolved as a premier API 650 Tank equipment supplier. We have developed a reputation for excellence in reliability, quality, and integrity. Let us help make your project successful.