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OEI Certifications

OEI, a Professional Engineering firm, is registered in Texas (TBPE firm #F-3758), Oklahoma, Arizona, Utah, Louisiana, and Wisconsin. OEI is also registered as an Architectural firm in Texas (TBAE firm #BR3993). We serve Federal and State government, Municipal, Developers, A/E firms, Industry. We are an SDVOSB and Texas HUB firm.

For a full list of certifications, visit >> https://obrieneng.com/certifications/

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