SEF Energy
How we got $386.1M
Based on 369 employees on its 2024 401(k) filing.
What we know
What they do
SEF Energy is a private holding company that acquires, operates and grows U.S.-based oilfield manufacturing companies, delivering drilling and completion solutions to E & P customers nationwide.
From the company's website. Industry: Finance and insurance.
Ownership & transactions
- Acquired by Argonaut Private Equity · Jan 2014Private equity firm Argonaut Private Equity acquired SEF Energy, described in the result as an oil/gas exploration company.Source
Customers & suppliers
Possible customers nearby
The largest businesses within about 60 miles in the markets its website says it serves.
- GULFPORT ENERGY CORPORATION · Oklahoma City, 6 mi · $1.42B
- MACH RESOURCES LLC · Oklahoma City, 6 mi · $1.18B
- T/J INSPECTION, INC. · Del City, 9 mi · $532.1M
- CROWN ENERGY COMPANY · Oklahoma City, 3 mi · $476.0M
- CIRCLE 9 RESOURCES LLC · Oklahoma City, 5 mi · $431.9M
Estimated value over time
▲ 223% since 2020Today's estimate scaled by the headcount reported each year and that year's prices. A trend, not a record of past sale values.
Employees over time
▲ 160% since 2020Show as table
| Year | Source | Employees | Est. revenue |
|---|---|---|---|
| 2020 | Form 5500 | 142 | $57.2M |
| 2021 | Form 5500 | 262 | $105.5M |
| 2022 | Form 5500 | 328 | $132.1M |
| 2023 | Form 5500 | 369 | $148.6M |
| 2024 | Form 5500 | 369 | $148.6M |
Participants are employees in the company's retirement plan at year end, from its Form 5500 filing with the Department of Labor. They usually run a little under total headcount (part-timers and new hires may not be eligible). Revenue and EBITDA apply this industry's revenue per employee and margin to each year's count.
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| SEF Energy this business | $186.6M | — |
| Cathy Gaither - Mutual of Omaha Oklahoma City | $493K | 0.0 mi |
| Adam Henning - Mutual of Omaha Oklahoma City | $493K | 0.0 mi |
| Arvest Bank Oklahoma City | $984K | 0.0 mi |
| John Hudgins - Mutual of Omaha Advisor Oklahoma City | $493K | 0.0 mi |
| Bradley Torres-Greiner - Mutual of Omaha Advisor Oklahoma City | $493K | 0.0 mi |
| Securities America Oklahoma City | $601K | 0.0 mi |
The full calculation
Brought up to date: prices are 10% higher than in the benchmark's year, both included above.
| Estimated value = EBITDA × typical sale multiple | $386.1M |
| Multiple for this size and industry | 8.5× |
| Value range | $247.1M – $695.0M |
| Employees in its retirement plan (2024 Form 5500) | 369 |
| Industry revenue per employee | $403K |
| Revenue = employees × revenue per employee | $186.6M |
| EBITDA margin (industry, adjusted for size) | 24% |
| EBITDA = revenue × margin | $45.4M |
Uses the newest headcount we have: participants in the company's retirement plan from its Form 5500 filing with the Department of Labor. Plans can leave out part-timers and new hires, so the range leans higher than the estimate.
| Revenue range | $149.2M – $279.8M |
| EBITDA range | $36.3M – $68.1M |
| Industry (NAICS) | Finance and insurance (52) |
EBITDA margin: from IRS tax returns of S corporations in this industry (2019–2022), adjusted for company size: smaller companies typically run higher margins. EBITDA here is after owners' salaries.
Benchmarks: US Economic Census 2022, OK. These are statistical estimates, not reported financials. Listing details come from Overture Maps open data. Full methodology
People & advisors
“SEF Energy was established in 2014, but our ties to the industry go back over 40 years.”
Leadership
- ZGZac GravesChief Executive Officer · From a web search · source
- TMTim MarvelVP Business Development and Technology · Company website · source
Advisors
- AccountingFinley & Cook, PLLCAudits its 401(k) plan (2024 filing)
From the company's own website and public filings (DOL Form 5500, IRS Form 990, SBA). Roles are as stated there and may be out of date.
2 locations
| 2601 NW Expy Ste 900E | Oklahoma City | This listing |
| 2101 SE 18th St | Oklahoma City | View |
Revenue, profit and value are for the whole company.
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About SEF Energy
SEF Energy is a finance and insurance company in Oklahoma City, Oklahoma, in business since 2014. It is owned by Brian Wiesner (President). Its estimated annual revenue is about $186.6M, with roughly $45.4M of EBITDA. It has about 369 employees. Its estimated business value is $386.1M (likely range $247.1M–$695.0M). It has 2 locations.
Common questions
- Who owns SEF Energy?
- SEF Energy is owned by Brian Wiesner (President), according to public sources such as the company's website or filings.
- How much revenue does SEF Energy make?
- SeeBITDA estimates SEF Energy's annual revenue at about $186.6M (likely between $149.2M and $279.8M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is SEF Energy worth?
- About $386.1M, roughly 8.5× its estimated EBITDA of $45.4M, typical for a finance and insurance company its size. Likely range: $247.1M–$695.0M.
- How many employees does SEF Energy have?
- About 369, from its 2024 retirement-plan filing.
- When was SEF Energy founded?
- SEF Energy has been in business since 2014.