A.one Builder has established a mechanism to produce quality construction material Crushing Plant, Ready Mix Concrete and Quarry through a sister organization.

A.One Builders Pvt. Ltd. emphasizes that bridge projects are handled with exceptional care, as they are a core sector of the company's services. The current work on the East-West Highway includes:

Building is one of the prime sector of services of A.One Builders, It has built its expertise with experience of individual housing, malls, business complex and governmental buildings.​

A.one builder has made the sustainable roads . With in the short duration of time company has proved its quality in construction of rigid and flexible pavement roads including

A.One Builders Pvt. Ltd. has significant expertise in airport and airfield construction, specifically at Tribhuvan International Airport (TIA) and Biratnagar Airport. The company's capabilities include runway extensions, aircraft parking rehabilitation, airfield lighting, and drainage works.