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Wedlake Enclosure Systems

2121 North 161st East Avenue Tulsa, OK 74116-4834

918-428-1641

STI Licensed Shop-Fabricated Tank Membership

944 Donata Court
Lake Zurich, Illinois 60047
United States

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847-438-8265

Association Management Software

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Employees of STI/SPFA member companies and guests can set up an online account to:

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The members of STI/SPFA invite and encourage you to join! By working together, we can achieve our mission to maintain and enhance our industry as a whole.

All membership applications for STI/SPFA must be approved by the Board of Directors.

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