The article discusses construction services, focusing primarily on the services and qualifications of an industrial construction contractor in Karawang. Construction services involve not only building but also maintenance and are relevant to a wide array of projects, including factories, roads, airports, and dams. The article details three levels of construction qualifications, from small, concerning simple jobs and low risks, to large-scale endeavors involving heavy equipment and advanced technology. Additionally, it categorizes construction services into consultant services, construction work, and integrated construction work. Lastly, maintenance services are explained, including the importance of planning, execution, post-execution steps, and managing building use after completion. The company, nikifour.co.id, is recommended for people seeking construction and building maintenance services.