Joseph Kopfman has been working at American Systems Corporation for over 30 years. Joseph Kopfman loves working for American Systems because it is a company that has a proven track record of success when it comes to treating employees fairly and with respect. American Systems is well known for being one of the largest employee-owned companies in the entire United States of America. American Systems is a company that is proud to say they are working hard to protect the United States from enemies, both foreign and domestic.