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Welcome to Oller Engineering (OEI)

We invite you to explore OEI News and Featured Projects below as well as the rest of our site. Learn more about OEI in the Company Basics section, learn about OEI job opportunities and the Oller Family in the Career Center, and login or request guest access to the Client Access area. Have a question or comment? Use our contact form.

OEI News

Rich Oller Honored by Alma Mater

The College of Engineering at Southern Illinois University Edwardsville recognizes Rich Oller for his successful career in engineering.

Rich Oller

Featured Project

Borden County Arsenic Removal

Location: Borden County

Project Thumbnail

Please feel free to contact our locations listed below:

OEI Lubbock

2517 74th St
Lubbock, TX 79423
806-748-5700
806-748-5705 (fax)

OEI Fort Worth

4150 International Plaza
Suite 600
Ft. Worth, Texas 76109
817-349-4344
817-349-4345 (fax)