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ONEOK Overview

Tulsa, OK
1001 to 5000 employees
Company - Public (OKE)
$10+ billion (USD) per year
(pronounced ONE-OAK) (NYSE: OKE ) Originally founded in 1906 as an intrastate natural gas pipeline business in Oklahoma, ONEOK today is one of the largest energy midstream service providers in the U.S., connecting prolific supply basins with key market centers. Its business ... Read more

Mission: As a responsible corporate citizen, ONEOK provides reliable energy and energy-related services in a safe and environmentally responsible manner to our stakeholders.

ONEOK – Why Work For Us?


Our employees work each day to provide safe, reliable energy and services to a wide range of diverse customers in the more than a dozen states where we operate.

ONEOK’s core values – ethics, quality, diversity, value and service – guide all aspects of our business and operations. Our actions are founded on trust, honesty and integrity through open communication and adherence to the highest standards of personal, professional and business ethics.

We are committed to pursuing a zero-incident culture by continuously working to mitigate risk and eliminate incidents that may bring harm to our employees, contractors, the public and the environment.

Our success is dependent upon our greatest resource – our employees. To continue our success, we must nurture creativity, entrepreneurial thinking and diverse thought – none of which are attainable without fostering an inclusive workplace. 

We value diversity, as well as the dignity and worth of each employee, and foster an inclusive workplace environment of opportunities and rewards for teamwork and innovation.

We are committed to proactively and consciously embracing diversity by recognizing and appreciating the characteristics that make individuals unique. We strive to foster a culture of inclusion and an environment where everyone connected with our company feels valued.

ONEOK and its employees have a long and rich history of giving back to communities where we operate, live and work. Through the generous contributions of our employees’ time and treasures and the commitment of our company to enhance the quality of life and economic well-being in our communities, together we strive to have a collective impact that makes a positive difference. 

We know that providing the time, resources and opportunities for our employees to build upon their strengths and skills is essential to our success as a company, and helps us retain a dynamic workforce and attract potential employees to our team who will fuel the future of ONEOK.


ONEOK provides various options to assist with career growth and development. For employees just entering the workforce who desire to advance their career and continue to learn, or for the professional who is interested in developing their skills, ONEOK has many development opportunities available.


ONEOK’s challenging and diverse business needs provide the opportunity for advancement for top performers. ONEOK provides ongoing education and training for employees in a variety of areas including leadership and professional development as well as functional and industry-specific topics. ONEOK also may reimburse employees for certain job-related professional certification examination fees.


ONEOK values education and is here to assist eligible employees in the expense of furthering their education in job-related fields, including tuition and books.

ONEOK Reviews

Rating TrendsRating Trends
Recommend to a friend
Approve of CEO
ONEOK President & CEO Terry K. Spencer
Terry K. Spencer
40 Ratings
  • "Project coordinator"

    • Work/Life Balance
    • Culture & Values
    • Career Opportunities
    • Comp & Benefits
    • Senior Management
    Current Employee - Pipeline Operator in Prosper, TX
    Current Employee - Pipeline Operator in Prosper, TX
    Positive Outlook
    Approves of CEO

    I have been working at ONEOK full-time (More than 5 years)


    Flexible schedule plus plenty of overtime
    Great supervision at lower levels
    Company truck provided and tools to help get the job done
    Great company to work for. Once hired you are solid unless you do something dumb


    Slow to get pay increases and slow process when applying for job
    Poor communication from upper management positions. The glass of water is always muddy

    Advice to Management

    Increase pay and expedite the hiring process

See All 101 Reviews

ONEOK Photos

ONEOK photo of: Headquarters
ONEOK photo of: ONEOK Plaza
ONEOK photo of: Volunteers with Energy
ONEOK photo of: Sydney Offices
ONEOK photo of: Mont Belvieu Plant
ONEOK photo of: Join our team!
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ONEOK Interviews



Getting an Interview

Getting an Interview





    Pipeline Operator Interview

    Anonymous Interview Candidate
    No Offer
    Negative Experience


    Took 3 plus months. went after work with them to show them my skill level on welding and i am certified. Also backhoe machinery skills and got selected for the job.

    Interview Questions

    • interview was great peple in the town are great. However corporate is racist and even if you are the most skilled and selected for the job, you will not get the job because you are hispanic. HR only hires whites.   Answer Question
See All 34 Interviews

ONEOK Awards & Accolades

  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2016
  • Ada Lois Sipuel Fisher Diversity Award, Oklahoma Bar Association, 2016
  • Mosaic: Top Inclusive Workplace Cultures, Tulsa Regional Chamber, 2016
  • Finalist – Best Compliance & Ethics Program, Corporate Secretary, 2016
  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2015
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