Harold O'Shea Builders

About Us

O’Shea Builders is a leading commercial construction-services provider in Illinois with offices in Springfield and Peoria. Founded in 1902, we provide General Contracting, Construction Management, Design Build, Civil and Building Maintenance services.

Supported by over a century of satisfied clients, lasting partnerships and projects that help make a positive difference in our communities, O’Shea Builders has established a reputation for excellence, performance and integrity. From pre-construction to post-construction and everything in between, there’s a purpose to every plan we submit, every project we complete and everything we do. We are committed problem solvers who bring innovative solutions to every obstacle we are confronted with - sometimes before they arise. It is our vision to enhance every opportunity for our clients, our people and the communities we serve.