Engineering services encompass a broad range of professional services provided by engineers and specialists in various fields. They play a pivotal role in the development, design, construction, and maintenance of various engineering systems and infrastructure. Engineering services can include the design of buildings and structures, electrical systems, mechanical systems, heating, ventilation, and air conditioning (HVAC) systems, water supply and sewage systems, communication and information technology systems, and many others. Professional engineers offer consultations, develop technical specifications, conduct calculations, perform testing, and ensure quality control during construction and operation. Engineering services are essential for ensuring the safety, efficiency, and sustainability of infrastructure and technical systems in various sectors, including construction, energy, industry, transportation, information technology, and more. These services contribute to the creation of innovative solutions, reduction of environmental impact, and more efficient resource utilization.