The purpose of the study was to assess the impact of human resource management practices on employees’ commitment: a case of some selected oil marketing companies within the Kumasi Metropolis. Descriptive research design was used for the study. The study used the quantitative research approach. The population for the study was sixtyfive (65) respondents comprising of managers and staff of the selected oil marketing companies in the Kumasi Metropolis. The random sampling procedure was used to select fifty-six (56) respondents for the study. The main instrument used in gathering the primary data was questionnaire. Statistical package for social sciences (SPSS) version 20 was used to analyze data. The study concluded that there is a positive perception that compensation practices that affected employees’ performance were annual increment in basic pay, regular payment of overtime, bonuses, payment of travel/accommodation allowance, provision of medical allowances, commissions, and profit-sharing strategies which also improved employee performance. In addition to these compensation practices, employers provided information to employees about health and safety hazards, identified and corrected health and safety hazards and encouraged employees to report potential hazards. They also provided training and technical assistance to supervisors and apprentices in identifying, evaluating, and correcting health and safety hazards. Finally, job rotation enhanced employees’ performance and also developed their ability to create, innovate and to improve their job development. The study recommended that the HR Managers should attend periodic seminars, conferences, and in-service training programmes regarding modern occupational health and safety techniques that can enhance employee performances and improve the company’s growth.