Working at ONEOK | Glassdoor

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.

Company Updates

  • We are honored to be recognized today as The Foundation for Tulsa Schools 2019 Outstanding Large Business Partner in Education. But, it’s the teachers at Burroughs Elementary School that deserve the recognition! We are thrilled to be able to support their teacher of the week program and other teacher appreciation events throughout the year. Happy #NationalTeachersDay to all educators. You make a huge difference in the lives of your students (of all ages)!

  • We had a great time at the Oklahoma State University 2019 Culture Summit last week, as a participant and sponsor. Our Diversity and Inclusion team was part of a panel discussion about “Building a Winning Company Culture.” Thank you to everyone who attended. #WeAreONEOK

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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

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Recommend to a friend
Approve of CEO
ONEOK President & CEO Terry K. Spencer
Terry K. Spencer
47 Ratings
  • Featured Review

    "I&E tech"

    • Work/Life Balance
    • Culture & Values
    • Career Opportunities
    • Comp & Benefits
    • Senior Management
    Current Employee - I&E Technician in Houston, TX
    Current Employee - I&E Technician in Houston, TX
    Positive Outlook
    Approves of CEO

    I have been working at ONEOK full-time (More than 3 years)


    Great company to work lay back, safety oriented, good pay, good hours, and great benefits.


    Nothing really major to report.

    Advice to Management

    Keep up the good work

See All 114 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




  1. Featured Interview


    Engineer Interview

    Anonymous Employee in Tulsa, OK
    Accepted Offer
    Positive Experience
    Average Interview


    I applied through a recruiter. The process took 4 weeks. I interviewed at ONEOK (Tulsa, OK) in June 2014.


    Interviews by 4 company leaders which assess cultural and technical fit. Engaging questions allow candidate to share actual job experiences. This was a very fair and unbiased interview process.

    Interview Questions

    • Share a difficult job situation and discuss how you handled it.   Answer Question
See All 37 Interviews

ONEOK Awards & Accolades

  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2016
  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2015
  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2014
  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2013
  • Oklahoma Magazine's Best Companies to Work For, Oklahoma Magazine, 2012
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Pledges & Certifications

Veteran Hiring Commitment

Committed to helping America's military veterans find work

Tech Hiring Commitment

Helping to train, hire and promote more technology workers

Career Advancement Program

Helping employees "upskill" into higher-paying positions

Diversity Commitment

Has programs that support a diverse and inclusive workforce

Pay Equality Pledge

Committed to paying equitably for equal work & experience

Pledge to Thrive

Taking steps to prioritize employee well-being

Work at ONEOK? Share Your Experiences

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