Texas operator · P-5 567486
Millennium Operating Company
Facts and their sources. No rating, no opinion.
The record
What the state's files show about Millennium Operating Company
Railroad Commission record
Who the state lists
The Railroad Commission lists this company as an operator: it reports wells and leases in Texas.
- Name on file
- MILLENNIUM OPERATING COMPANY
- Operator number (P-5)
- 567486
- P-5 status
- Inactive
- Organization type
- Corporation
- Location
- Houston, TX
- Mailing city
- Houston, TX
- Last P-5 received
- April 29, 2024
- Record built
- February 29, 2000
- Inactive since
- July 1, 2026
- Refiling required
- Yes
The Railroad Commission lists this company’s P-5 registration as inactive since July 1, 2026. If your royalty checks from it stopped, check your lease for the likely reasons and who to write to.
Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.
Owner relations
How to reach Millennium Operating Company as an owner
Not checked yet
We have not checked Millennium Operating Company’s owner-relations desk yet. Here is how owners usually find it:
- Look at a recent check stub or statement. The phone number and address printed on it usually reach the owner relations department.
- Search the company’s own website for “owner relations” or “royalty owners”. Larger operators have a page and an online owner portal.
- The Railroad Commission file above has the company’s mailing address. A letter sent there reaches the company, though not always the right desk.
- Put your owner number and the property name or number on every letter and call.
Comptroller and Secretary of State
A possible match in the Comptroller's file
This record matched the company by name and place, not by a number both files share. Check it before relying on it.
- Legal name
- MILLENNIUM OPERATING COMPANY
- Taxpayer number
- 17606231128
- Entity type
- Texas profit corporation
- Secretary of State file number
- 0155813600
- Secretary of State status
- Active (November 16, 1999)
- Right to transact business in Texas
- Active
- Formed
- November 16, 1999
- Formed in
- TX
- Mailing city
- Abilene, TX
Source: Texas Comptroller, franchise tax permit holder file (data.texas.gov), as of September 26, 2026.
Look it up yourself: Secretary of State business filings (search for file number 0155813600), Comptroller account status.
Production
What the state's reports show
- Oil, last 12 months
- 61 barrels
- Down 52.3% from the 12 months before
- Gas, last 12 months
- 20,303 mcf
- Down 5.3% from the 12 months before
Oil reported each month, in barrels
- Apr 20262
- Mar 20260
- Feb 20260
- Jan 20260
- Dec 20250
- Nov 20250
- Oct 202522
- Sep 202520
- Aug 20255
- Jul 20255
- Jun 20253
- May 20254
Source: Railroad Commission of Texas, production data query, as of April 1, 2026.
Drilling permits
Permits filed with the state
0 drilling permits in the last three years. A permit is permission to drill. It is not a well.
Source: Railroad Commission of Texas, drilling permit records.
Leases
Leases this company operates
2 leases on the state record, 0 with production in the last twelve months. The largest by production:
Operator changes
Leases this company took over or handed over
0 taken over and 3 handed over since the state's history begins; 0 and 3 in the last twelve months. The month is the first month the change shows in production reports.
- Handed over Reames "9", Shackelford CountyMay 2026 · to Basin Operating Inc.
- Handed over Musselman "24", Shackelford CountyMay 2026 · to Basin Operating Inc.
- Handed over Chism, Shackelford CountyMay 2026 · to Basin Operating Inc.
Use it
Follow this company, or check a paper it sent you
New permits and production
One email a week when Millennium Operating Company files a drilling permit, completes a well or reports first production. Free with an account.
A paper from this company
A division order, a lease, a buyout offer or a letter: upload it and we say what it is, what it asks and which terms deserve a question.
FAQ
Questions people ask
Who is Millennium Operating Company?
The Railroad Commission lists Millennium Operating Company as operator number 567486, P-5 inactive, in Houston, TX. Its leases reported 61 barrels of oil and 20,303 mcf of gas in the last twelve months.
Is Millennium Operating Company a registered business in Texas?
The Comptroller's franchise tax file lists a possible match by name and place: MILLENNIUM OPERATING COMPANY, a texas profit corporation, Secretary of State status Active, right to transact business in Texas: Active. The match is by name and place, not by a number both files share, so check it before relying on it. Confirm it in the Secretary of State's business search.
How much oil and gas did Millennium Operating Company report?
In the last twelve months the leases Millennium Operating Company operates reported 61 barrels of oil and 20,303 mcf of gas to the Railroad Commission, through April 1, 2026. It has 2 leases on the state record, 0 with production in that time.
I got a letter or an offer from Millennium Operating Company: what should I do?
Do not sign or call yet. Keep every page and the envelope, compare the paper with your deed, lease and last statements, and answer in writing. You can upload the letter to have it read: it says what kind of paper it is, what it asks, and which terms deserve a question, quoting the words they come from.
Where does this page's information come from, and how current is it?
The record is the Railroad Commission's P-5 Organization Report file, dated September 22, 2026. The entity is the Comptroller's franchise tax file. Production, permits and leases are the Commission's own reports. The page shows no rating and no opinion.
Related
Keep going
- Texas dataTexas oil and gas companiesOperators and buyers: the state's record, permits, leases, production.
- HelpI got a letter from an oil companyUpload it. We say what it is, what it asks and what to look at.
- ToolTexas well watchPermit, completion, first production and when the first check is due.
- Texas dataTexas operator changesWho took over whose leases in the last 24 months.
- CheckCheck my statementUpload a stub. Every month against the state record.
- HelpTexas division ordersWhat you may sign, what you may refuse, what to check.
Sources
Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.