Stable regional contractor Zien Mechanical Contractors is a well-established mechanical and HVAC contractor based in Glendale, Wisconsin with a long history since 1919, indicating stable local presence and potential for repeat business in the Midwest construction market.

Midmarket scale With 51-200 employees and annual revenue in the 25 to 50 million range, Zien occupies a solid mid-market tier that can be approached for expanded service contracts, project bids, and long-term maintenance partnerships.

Full service offering Their expertise spans mechanical, commercial and industrial HVAC, plumbing, process piping, building automation, construction and service, suggesting cross-selling opportunities across design, installation, and ongoing maintenance and monitoring services.

Tech-enabled ops Adoption of Microsoft 365, Google Cloud, and other productivity tools indicates openness to digital project delivery, BIM/data-driven workflows, and streamlined collaboration with clients on large-scale projects.

Growth potential Comparable peers include larger regional and national players; highlighting opportunities to position complementary services, energy efficiency upgrades, and smart building solutions to win new projects or expand existing accounts.