O'Neil Building & Supply

$3.0M revenue • 375 employees • 5909 Town Hall Rd, Belleville, IL, 62223, United States

Last Updated Dec 8, 2025

Company Overview

Company Name

O'Neil Building & Supply

Address

5909 Town Hall Rd, Belleville, IL, 62223, United States

Approx. Annual Revenue

$3.0M

Employees

375

Google Reviews

5.0 (2 reviews)

About O'Neil Building & Supply

O'Neil Building Systems is a company based in Belleville, Illinois that specializes in custom-built post-frame structures. They work closely with clients on the design, engineering, and construction of buildings for residential, farm, equestrian, commercial, and community uses. The company has over 50 years of experience in helping customers build their dream spaces.

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David Orlet President