An engineering firm is a business that provides professional services in the field of engineering. These firms typically employ engineers who specialize in various disciplines, such as civil, mechanical, electrical, and environmental engineering. They work on projects that involve designing, analyzing, and implementing solutions for infrastructure, buildings, and systems. Engineering firms often collaborate with clients, government agencies, and other stakeholders to ensure that projects meet specific requirements and regulations. They may also conduct research and development to innovate new technologies or improve existing processes. Overall, these firms play a crucial role in shaping the built environment and advancing technology.