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Royalty Clerk

Texas operator · P-5 537025

Mazco Energy LLC

The Railroad Commission lists Mazco Energy LLC as operator number 537025, P-5 active, in San Antonio, TX. Its leases reported 19,108 barrels of oil and 2,403 mcf of gas in the last twelve months.
The state recordGot a letter from them?

Facts and their sources. No rating, no opinion.

The record

What the state's files show about Mazco Energy LLC

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
MAZCO ENERGY LLC
Operator number (P-5)
537025
P-5 status
Active (extension)
Organization type
Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
Location
San Antonio, TX
Mailing city
San Antonio, TX
Activities filed
Oil Operator
Last P-5 received
January 21, 2026
Record built
December 12, 2017
Refiling required
Yes

Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.

Owner relations

How to reach Mazco Energy LLC as an owner

Not checked yet

We have not checked Mazco Energy LLC’s owner-relations desk yet. Here is how owners usually find it:

  1. Look at a recent check stub or statement. The phone number and address printed on it usually reach the owner relations department.
  2. Search the company’s own website for “owner relations” or “royalty owners”. Larger operators have a page and an online owner portal.
  3. The Railroad Commission file above has the company’s mailing address. A letter sent there reaches the company, though not always the right desk.
  4. Put your owner number and the property name or number on every letter and call.

Comptroller and Secretary of State

The business entity on file

Legal name
MAZCO ENERGY LLC
Taxpayer number
32064982674
Entity type
Texas limited liability company
Secretary of State file number
0802825652
Secretary of State status
Active (September 28, 2017)
Right to transact business in Texas
Active
Formed
September 28, 2017
Formed in
TX
Mailing city
Garden Ridge, 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 0802825652), Comptroller account status.

Production

What the state's reports show

Oil, last 12 months
19,108 barrels
Down 5.8% from the 12 months before
Gas, last 12 months
2,403 mcf
Down 5.1% from the 12 months before

Oil reported each month, in barrels

  • Jul 20261,334
  • Jun 20261,537
  • May 20261,887
  • Apr 20261,343
  • Mar 20261,327
  • Feb 20261,610
  • Jan 20261,860
  • Dec 20251,692
  • Nov 20251,197
  • Oct 20251,663
  • Sep 20251,961
  • Aug 20251,697

Source: Railroad Commission of Texas, production data query, as of July 1, 2026.

Drilling permits

Permits filed with the state

1 drilling permits in the last three years: 1 in 2024. A permit is permission to drill. It is not a well.

The most recent drilling permits
IssuedLease, county and type
2024-04-11THOMPSON, C. M. #3Frio County · Vertical

Source: Railroad Commission of Texas, drilling permit records.

Leases

Leases this company operates

16 leases on the state record, 15 with production in the last twelve months. The largest by production:

Operator changes

Leases this company took over or handed over

2 taken over and 0 handed over since the state's history begins; 0 and 0 in the last twelve months. The month is the first month the change shows in production reports.

Use it

Follow this company, or check a paper it sent you

New permits and production

One email a week when Mazco Energy LLC files a drilling permit, completes a well or reports first production. Free with an account.

Leases, counties and fields for Mazco Energy LLC

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.

Read a letterCheck a buyout offerCheck a lease offer

FAQ

Questions people ask

Who is Mazco Energy LLC?

The Railroad Commission lists Mazco Energy LLC as operator number 537025, P-5 active, in San Antonio, TX. Its leases reported 19,108 barrels of oil and 2,403 mcf of gas in the last twelve months.

Is Mazco Energy LLC a registered business in Texas?

The Comptroller's franchise tax file lists a business entity that matches the company: MAZCO ENERGY LLC, a texas limited liability company, Secretary of State status Active, right to transact business in Texas: Active. Confirm it in the Secretary of State's business search.

How much oil and gas did Mazco Energy LLC report?

In the last twelve months the leases Mazco Energy LLC operates reported 19,108 barrels of oil and 2,403 mcf of gas to the Railroad Commission, through July 1, 2026. It has 16 leases on the state record, 15 with production in that time.

How many drilling permits has Mazco Energy LLC filed?

1 drilling permits in the last three years in the permit feed this site reads. A permit is permission to drill, not a well: many are never drilled.

Follow new permits by email

I got a letter or an offer from Mazco Energy LLC: 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.

Upload the letter

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

Sources

Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.