Log in Home About MISO Contact MISO FOLLOW Contact MISO OUR LOCATIONS Start Here! The MISO Help Center is the best place to go with your questions or requests. Search or browse hundreds of knowledge articles or create a Case to have a client services representative or the MISO IT Operations Center assist you. Visit the Help Center For questions about OASIS, the Market Portal or other MISO-related network activity, contact our IT Operations Center 24 hours a day, seven days a week. IT Operations Center (24/7) 866-296-6476, option 1 Media Inquiries Members of the media only: Call: 317-249-5650 E-mail: media@misoenergy.org Regional Offices Carmel, Indiana: Headquarters & Central Region Operations Center Phone: 317-249-5400 Eagan, Minnesota: North Region Operations Center Phone: 651-632-8400 Little Rock, Arkansas: South Region Operations Center Phone: 501-244-1500 Suppliers and Vendors At MISO, we value the diversity of our employees, suppliers and stakeholders for their various ideas, approaches and solutions. Our Supplier Diversity Enterprise Program helps further ensure that we include small, disadvantaged, minority and women-owned businesses in our strategic sourcing and procurement processes. Through our support of diverse suppliers, we hope to contribute to long-term community and economic stability. COMPLETE THE SUPPLIER PROFILE FORM Employment Verification Visit www.theworknumber.com, select “Get Started Now” and use the following information: Employer Code is 106806 Employee’s Social Security Number 2021 MISO Observed Holidays MISO offices will be closed on the following dates. Holiday Date Observed New Year's Day January 1 Martin Luther King Day January 18 President's Day February 15 Memorial Day May 31 Independence Day July 5 Labor Day September 6 Thanksgiving Day November 25 Day after Thanksgiving November 26 Christmas Eve December 24 Christmas Day December 27 Engage Code of Conduct Compliance Reporting Questions Contact Us Help Center Login/Profile Discover Careers Legal & Privacy Connect MISO Matters Twitter YouTube LinkedIn Copyright © 2010-2021 Midcontinent Independent System Operator, Inc. All rights reserved.

Log in Home About MISO MISO Matters Engage Code of Conduct Compliance Reporting Questions Contact Us Help Center Login/Profile Discover Careers Legal & Privacy Connect MISO Matters Twitter YouTube LinkedIn Copyright © 2010-2021 Midcontinent Independent System Operator, Inc. All rights reserved.