This study aims to identify what factors can shape purchasing decisions for processed pallet wood waste products in DIY Province. The factors used in this study were built from the dimensions of the product mix (4P), namely Product, Price, Place and Promotion which influence the purchasing decisions of processed pallet wood waste products in DIY Province.

               This research method uses samples from respondents who have purchased processed pallet wood waste products in the DIY Province. Sources of data used in this study are secondary and primary data. Determination of the number of samples based on Roscoe's theory with a sample of 50 respondents. The data analysis method used multiple linear regression. Hypothesis testing to determine the factors that influence purchasing decisions for processed pallet wood waste products used the F test and t test.

               Based on the results of analysis and hypothesis testing, it is known that product and promotion variables have a positive and significant effect on purchasing decisions, while price and location factors do not significantly affect purchasing decisions. The diversity of product, price, location, and promotion variables on the purchasing decision variables of processed pallet wood waste products is 26.7%.

Keywords: pallet wood, marketing mix, purchasing decisions