Oklahoma Secretary of State, Business Filing Department

Oklahoma business entity search

Office facts, status meanings and filing rules for Oklahoma. The steps below show how to search Oklahoma's official registry.

Federal filings only here. Oklahoma registry records are on the official site.

Oklahoma registry at a glance

Registry agency: Oklahoma Secretary of State, Business Filing Department
Office: Secretary of State Benjamin M. Lepak; Source: sos.ok.gov · checked 2026-10-06
Phone: 405-522-2520 (business filings); 405-522-2822 (LLC and LP annual certificates); Source: sos.ok.gov · checked 2026-10-06
Address: Oklahoma Secretary of State, Business Filing Department, 421 N.W. 13th, Suite 210, Oklahoma City, OK 73103; Source: sos.ok.gov · checked 2026-10-06
Mailing address: Same as physical address; Source: sos.ok.gov · checked 2026-10-06
Official search: Business Entities Search →; Source: sos.ok.gov · checked 2026-10-06
Registry number: Filing number; Source: sos.ok.gov · checked 2026-10-06

How to search the Oklahoma registry

The Business Entities Search searches by entity name and advanced search options.

Open the Business Entities Search page on sos.ok.gov.
Enter the entity name and select Search, or open Advanced Search for more options.
Find the business in the preliminary results list.
Select the hyperlinked filing number to view the entity's details.
Order a good standing certificate, copies or an information printout from the Secretary of State if you need official records.

Open the official Oklahoma search →

Three numbers, three agencies

Asking for the wrong number is a common reason a search comes back empty.

Federal EIN: Internal Revenue Service; Identifies the business for federal tax. It is the same number in every state.; Source: irs.gov
Filing number: Oklahoma Secretary of State, Business Filing Department; Identifies the entity's record in the Oklahoma registry.; Source: sos.ok.gov · checked 2026-10-06
Oklahoma Tax Commission account (OkTAP): Oklahoma Tax Commission; Sales tax permits and other state tax accounts are issued by the Tax Commission through OkTAP and are separate from the federal EIN and the Secretary of State filing number.

What a Oklahoma status means

Terminated or Expired: The LLC or LP is not in good standing because its Annual Certificate is more than 60 days late.; Source: sos.ok.gov · checked 2026-10-06

Fees and annual filings

LLC formation: $100 (Articles of Organization); foreign LLC registration $300; Source: sos.ok.gov · checked 2026-10-06
Corporation formation: $50 minimum, or 1/10 of 1% of authorized capital (Certificate of Incorporation); Source: sos.ok.gov · checked 2026-10-06
Annual filing: Annual Certificate (LLCs and LPs); Source: sos.ok.gov · checked 2026-10-06
Annual fee, LLC: $25 (Annual Certificate); Source: sos.ok.gov · checked 2026-10-06
When it is due: Due each year on the entity's formation anniversary date, with a 60-day grace period.; Source: sos.ok.gov · checked 2026-10-06
Late filing: After the 60-day grace period the LLC or LP becomes inactive and not in good standing; reinstatement needs a reinstatement form plus an Annual Certificate for every year past due.; Source: sos.ok.gov · checked 2026-10-06
Filed with: Secretary of State; Source: sos.ok.gov · checked 2026-10-06
Franchise tax (ended after tax year 2023); registered agent fee for foreign corporations: Oklahoma Tax Commission. Foreign corporations pay the $100 registered agent fee on Form 200-R by July 1 each year. Tax year 2023 was the last year Oklahoma required franchise tax returns. Corporations suspended for earlier non-compliance stay suspended until the issue is resolved.; Source: oklahoma.gov · checked 2026-10-06
Note: Same-day in-person service costs $50 extra per document. A registered agent change costs $25. Foreign corporations pay a $100 yearly registered agent fee through the Tax Commission.; Source: sos.ok.gov · checked 2026-10-06

As published by the Oklahoma Secretary of State, Business Filing Department, checked 2026-10-06. Fees change, and the official schedule decides.

Forming or running a business in Oklahoma

Registered agent: The agent must have a physical Oklahoma address where it can be served during normal business hours; an Oklahoma entity may act as its own agent.; Source: sos.ok.gov · checked 2026-10-06
Name availability: Check whether a name is available in Oklahoma →; Source: sos.ok.gov · checked 2026-10-06
Business forms and fees: Official Oklahoma business forms and fees →; Source: sos.ok.gov · checked 2026-10-06

Oklahoma businesses on file

HELMERICH & PAYNE, INC.EIN 73-0679879
WEBCO INDUSTRIES, INC.EIN 73-1097133
PRE-PAID LEGAL SERVICES, INC.EIN 73-1016728
EDUCATIONAL DEVELOPMENT CORPORATIONEIN 73-0750007
OKLAHOMA BLOOD INSTITUTEEIN 73-1008735
THE WILLIAMS COMPANIES, INC.EIN 73-0569878
ONEOK, INC.EIN 73-1520922
DEVON ENERGY CORPORATIONEIN 73-1567067
CHESAPEAKE ENERGY CORPORATIONEIN 73-1395733
CONTINENTAL RESOURCES, INC.EIN 73-0767549
EXPRESS SERVICES, INC.EIN 84-0909680
FEED THE CHILDREN INCEIN 73-6108657
GOODWILL INDUSTRIES OF SOUTHWEST OKLAHOMA & NORTH TEXAS INCEIN 73-0675119
BLESSINGS INTERNATIONALEIN 73-1130590
UNIT CORPORATIONEIN 73-1283193
LSB INDUSTRIES, INC.EIN 73-1015226
VITAL ENERGY, INC.EIN 45-3007926
SANDRIDGE ENERGY, INC.EIN 20-8084793
PHX MINERALS INC.EIN 73-1055775
ACCESS PLANS, INCEIN 73-1494382
MPSI SYSTEMS INCEIN 73-1064024
TOWER TECH INCEIN 73-1210013
DOLLAR THRIFTY AUTOMOTIVE GROUP INCEIN 73-1356520
INTEGRIS HEALTH INCEIN 73-1192764

All 89 Oklahoma businesses on file →

Sources

A fact that could not be confirmed on an official page is left out.

https://www.sos.ok.gov/business/fees.aspxchecked 2026-10-06
https://www.sos.ok.gov/business/contact.aspxchecked 2026-10-06
https://www.sos.ok.gov/business/faq.aspxchecked 2026-10-06
https://www.sos.ok.gov/corp/corpInquiryFind.aspxchecked 2026-10-06
https://www.sos.ok.gov/home/bio.aspxchecked 2026-10-06
https://oklahoma.gov/tax/businesses/other-taxes.htmlchecked 2026-10-06
https://www.sos.ok.gov/business/default.aspxchecked 2026-10-06