This study presents an empirical investigation of Sustainability oriented practices of Eco-innovation, Eco-commitment and organizational performance of a developing economy. This study was also motivated by the need to solve the environmental problems caused by the activities of profit driven entrepreneurs in developing economy as well as exploring the benefits to organizations. The study was guided by three key objectives, from which appropriate research question and hypotheses were formulated. The specific objectives of this study were (1) to ascertain the extent to which eco-commitment practice affect the selected manufacturing firms employee job satisfaction. (2) To establish the degree to which eco-innovation affect market share of selected manufacturing firms in a developing economy. This study adopted the survey design. Simple random sampling technique was used in selecting the 10 manufacturing firms in Nigeria. A sample size of 543 respondents was determined from the population of 5705 drawn from management, middle and lower cadre of the selected manufacturing firms using Cochran (1977) statistical formula. A stratified sampling technique was also used to determine the proportional allocation of questionnaire to management cadre, middle cadre and lower cadre. Designed questionnaire and personal interview were used for primary data collection. The questionnaire was structured on 5-point Likert scale. The validity of the instrument was ascertained using content validity. The instrument was checked for Reliability using test re-test method through Cronbach alpha with a value of 0.90, which shows consistency in the items of survey. Data were analyzed and the hypotheses were tested using linear regression analysis. Probability level of significance was given at 5%. Data were presented using simple percentage. Findings revealed that Eco-commitment practice had a significant and positive effect on employee job satisfaction (r=.514aF=88.065T=9.384p-.000). Eco-innovation had a positive effect on the market share of selected manufacturing firms in a developing economy. In conclusion, the implementation of green business practices, principles and processes will lead to very positive outcome that will be visibly manifested in the organization and the environment.