

Advance Your Career with
ORENG BUSINESS TRAINING!
At Oreng Business Training, we are dedicated to helping professionals achieve their career goals through high-quality training and certification programs.
Whether you’re preparing for the Construction Supervisor License (CSL) Test, seeking ServSafe Certification, or looking to expand your skill set with our 40+ professional courses, we have the right solution for you.
We offer multilingual support with experienced instructors and proctors who speak Portuguese, English, and Spanish.
Why Choose Oreng Business Training?
Our courses are recognized, our instructors are licensed, and our commitment is to help you earn your certification safely and confidently.
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Over 15 Years of Trusted Training
With extensive experience in the market, Oreng Business Training is a leading provider of certification courses for those who want to work legally in the U.S. All courses are approved by official agencies and taught by licensed instructors.
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Support That Speaks Your Language
Our support is available in Portuguese, English, and Spanish, ensuring you get help every step of the way. We offer live classes, group sessions, and the option for one-on-one VIP training, tailoring the course to your needs.
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Flexible Courses, Real Results
Learn in a practical way with options for online or in-person classes (where applicable), always with updated materials and guidance to help you earn your certification. Everything is compliant and supported so you never feel lost.

Our Specialized Training Programs
Food Safe School
The specialized program for those who work or want to work with food in the U.S. We offer the official ServSafe course, required for food handlers in many states.
Who it’s for:
Food service professionals, restaurant owners, cooks, kitchen assistants, delivery workers, and catering staff.
Why choose us:
Licensed instructors, live classes, and multilingual support.
Benefits:
Updated materials, U.S.-valid certification, and VIP one-on-one options.
CSL Help
The ideal program for those who want to lead construction projects in the U.S. Here you’ll find complete preparation for the Construction Supervisor License (CSL), a requirement for supervisors in many states.
Who it’s for:
Engineers, builders, contractors, team leaders, and professionals seeking growth in the construction industry.
Why choose us:
Experienced instructors, practical classes, and multilingual support.
Benefits:
Updated materials, flexible schedules, and one-on-one sessions for those who prefer to learn at their own pace.
Instructors Who Know the Industry
Behind our courses are licensed and experienced professionals, ready to guide you toward certification with safety and quality.
Companies That Trust
Oreng Business Training
From well-known restaurants to local businesses, hundreds of professionals have chosen Oreng to ensure their certifications.
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