This study aims to determine how the significant influence of Product, price, Place, Promotion on the service Products of PT SINAR TERANG INTI. The factors studied are Product (X1), Price (X2), Place (X3). The population in this study were all final consumers of PT. PLN (Persero) UP3 Mojokerto whose number is known for sure (finite). The sample in this study used purposive sampling, which is a sampling technique with certain criteria.