Keller

Keller is Wisconsin’s leading design/build general contractor, offering integrated architectural, engineering, and interior design services across a broad spectrum of markets—including agriculture, automotive, assisted living, healthcare, education, hospitality, and industrial sectors. With approximately 260 employees headquartered in Kaukauna and offices in Madison, Milwaukee, and Wausau, the company delivers turnkey solutions from concept through construction, backed by a seasoned leadership team. Keller’s 100% employee‑owned ESOP model fosters deep ownership, accountability, and a collaborative culture that translates into superior craftsmanship and client satisfaction. This unique combination of local expertise, comprehensive service offerings, and employee‑centric ownership positions Keller as a trusted partner for complex, high‑quality building projects throughout the state.