Helical Concepts 2630 S 79th St E Muskogee, OK 74403 Phone : (918) 682-8259 Business Category Waterproofing Contractors Special Trade Contractors Helical Concepts 534 N 13th St Muskogee, OK 74401 Phone : (918) 682-8259 Business Category Excavating Contractors Foundation Contractors Farm machinery & equipment Irrigation Systems & Equipment Manufacturers