also: システムインテグレータ
noun
system integrator
A company or professional that combines different subsystems into one integrated IT solution. Common in business and computing contexts.
当社は大手システムインテグレーターとして、多くの企業の基幹システムを構築してきました。
As a major system integrator, our company has built core systems for many businesses.
We are considering whether to outsource to a system integrator or develop in-house.