There are several certification related to OSHA or occupational safety and health administration. It is the main federal agency for the enforcement of safety and health legislation. It ensures safe working environment for workers. It is the authority for the enforcement of standards. It provides research, information, education and training in the field of occupational safety and health. There are several certifications, CEUs or continuing educational units are provided to candidates in accordance with international association for continuing education and training(IACET). There are also other certifications under occupational safety and health including American board for occupational health nurses(ABOHN), (ABIH) American board for industrial hygiene,(BCSP) Board for certified safety professionals. The board for industrial hygiene is responsible to determine pollutant as well as maintain industrial hygiene for workers who should be working only in clean environment cleared of all debris. Institute for safety and health management (ISHM) offers certifications and certified safety and health managers pursue their roles in the industry. The certification of courses is vital for professional development. The American board of Industrial hygiene produces certified industrial hygienists who can perform in various industries to improve the hygiene and provide safe and healthy working environment to all workers. OSHA provides certified trainers to conduct various courses in the industry. osha certification improves the career of health and safety professional as it is a federal agency responsible to improve the conditions of workers.