This company information is compiled from Oklahoma Corporation Commission filings to support industry transparency and business development within Oklahoma's energy sector. Information is provided as a public service and does not constitute association, endorsement, or business recommendation.
Browse all Oklahoma oil & gas operators →
Directory information verified and updated for 2026
Well counts and activity computed by Valor from public oil and gas data, as of 2026-10-30. Wells of record include plugged and inactive wells; states and top county reflect wells not plugged or abandoned.
Computed by Valor from public oil and gas data. Uses complete reporting months only (latest: December 2025).
Average percentile rank across four signals, against 3,262 operators. 50 = typical.
| Signal | Value | Percentile |
|---|---|---|
| Average lateral (ft) | 1,059 | 44 |
| Share of wells that have produced | 37.7% | 32 |
| Permits per 100 wells (24 mo) | 0 | 36 |
| Production change, YoY | -9.8% | 49 |
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Company: Mackellar Inc
Address: 7100 N CLASSEN BLVD STE 100
Oklahoma City, OK 73116-7101
Phone: (405) 848-2877
Oklahoma Operator:
OCC Number: 1345
Mackellar Inc operates as an independent energy company active in SCOOP/STACK play operations. Licensed by the Oklahoma Corporation Commission with OCC number 1345. Mackellar Inc can be reached by telephone for business inquiries. Based in Oklahoma City, Oklahoma, the company operates within established energy corridors that support efficient resource development and transportation.
Oklahoma operators operate under Corporation Commission oversight, including spacing unit requirements, drilling permits, and environmental compliance standards. The company's Oklahoma OCC number (1345) provides verification of operational authority within Oklahoma's energy sector. Verify this registration at OCC.
Valor's operator directory lists Mackellar Inc in Oklahoma City, OK, at 7100 N CLASSEN BLVD STE 100, 73116-7101.
Valor's operator directory lists Mackellar Inc's phone number as (405) 848-2877.
Valor's operator directory lists Mackellar Inc with Oklahoma Corporation Commission number 1345.
Oklahoma ranks as a top-five oil and gas producing state, with the Oklahoma Corporation Commission overseeing more than 8,000 active operators across the Anadarko, Arkoma, and Cherokee basins. Understanding the regulatory and operational landscape is essential for companies like Mackellar Inc and those seeking to partner with energy sector operators. Learn more about Valor's operator services.
Our Oklahoma expertise includes SCOOP and STACK play revenue accounting, Oklahoma Corporation Commission regulatory compliance, and specialized services for unconventional resource development. Comprehensive operator services include revenue accounting, joint interest billing, owner relations, and regulatory compliance. Explore all operator services or learn about the benefits of outsourcing to Valor.
Valor's experienced team is available to discuss back-office solutions tailored to your operational requirements. Contact us to explore how our services can support companies like Mackellar Inc in achieving operational excellence.
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Disclaimer: Valor is not a law firm, CPA firm, or investment advisor and does not provide legal, tax, or investment advice. The information on this page is provided as a courtesy only and should not be construed as professional advice. Mineral owners should consult with their own qualified legal, tax, and investment advisors before making any decisions regarding the sale or management of their mineral rights.
