Trisigma Inti Solusi, PT is a company engaged in Landscape Engineering & Architectural Product. Where the company is committed to continuously provide technical goods that provide solutions to the needs associated with the design and construction, in particular modern recharge wells (sigmatank) with the concept of "Green Building Solution". More than 100 Project that has been handled by Trisigma Inti Solusi, PT since its establishment in 1995, with more than 15 years. Over a period of 5 years (2014 to 2018) sales of modern recharge wells (sigmatank) fluctuated or up and down, in the last 2 years (2017-2018) has decreased. Besides, the increasing number of competitors or new players are popping up, as well as a decrease in prices in accordance with market and product quality. Researchers conducted a survey to the respondent or client ever transaction or purchase of modern recharge wells (sigmatank), with the aim of increasing sales as targeted by the management company. Thus, it will be able to improve product quality, appropriate price reduction amount of the purchase, sale given as expected. The aim of the research is influencing purchasing decisions with quality products, pricing and promotions on purchasing decisions that impact customer satisfaction. Total population owned 450 and 180 samples with the SEM technique recommended the case Between 100 - 200. The analytical methods used are quantitative analysis. Mechanical analysis with SEM, the software used SmartPLS3.2.8. The results of this study are product, price, promotion affects purchasing decisions, the impact is customer satisfaction.