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We are eager to explore how we can work together on something we can all take pride in, as professionals and as members of our communities. If there is a project that you would like to talk to us about, or if you would like more information about Oates Associates, please fill out the form below or call any of our offices to speak with someone directly.

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Our Offices

Collinsville
100 Lanter Court, Suite 1
Collinsville, IL, 62234
Tel: 618.345.2200
Fax: 618.345.7233
Email: oai@oatesassociates.com
St. Louis
720 Olive, Suite 700
St. Louis, MO, 63101
Tel: 314.588.8381
Fax: 314.588.9605
Belleville
20 E. Main Street
Belleville, IL, 62220
Tel: 618.416.4688
St. Charles
330 North Main, Suite 201
St. Charles, MO, 63301
Tel: 636.493.6277
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