Mactech has many locations in order to serve both the United States and the globe. Mactech Offshore 302 Ida Road Broussard, LA 70518 Ph: 1-337-839-2793 Email Mactech Offshore Mactech, Inc. 4079 Pepin Avenue #4 Red Wing, MN 55066 Ph: 1-800-328-1488 Email Mactech, Inc.