Tracked by Evreward since 2005, Global Industrial Co. offers coupons, cash back rebates and rewards, with savings as high as 75% off. Global Industrial Co. discount coupons are seasonal, appearing every three to four months, and are often more valuable than similar merchants. Even when Global Industrial Co. doesn't have a coupon, you can always get up to 6% cash back, and other great rewards, with every purchase.