Valmont Industries, Inc. raised earnings guidance for the full year 2021. For the year, the company expected net sales growth in the range of 16% to 19% up from the range of 9% to 14% provided earlier. GAAP Diluted EPS is expected to be in the range of $9.90 to $10.60 up from the range of $9.30 to $10.00 provided earlier.