construction contractor; general contractor
Refers to a company or business engaged in construction work, including civil engineering and building projects. Often used in formal or business contexts.
This building was built by a local construction contractor.
When choosing a construction contractor, you should carefully check their track record.
建設業者 is a formal, neutral term for a construction business used in official contexts, while 土建屋 is a more colloquial, sometimes slightly derogatory way to refer to the same kind of firm.
Compound of 建設 (construction) + 業者 (business operator, contractor).