4 States Mechanical Plumbing, HVAC, and Millwright Services

4 States Mechanical is a Union Mechanical Contractor serving Joplin, Pittsburg, Nevada and the surrounding Four-State area since 2019. We provide reliable commercial and industrial mechanical services built on skilled craftsmanship and real-world experience.

Our team brings over 100 years of combined experience, with a proven track record ranging from small service work to large-scale mechanical installations. We focus on quality, safety, and long-term performance on every project.

We are proud members of the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry, affiliated with UA Locals 178 and 441, ensuring every job is completed by highly trained union professionals.