Century Geophysical, LLC
How we got $19.3M
Based on its 41 employees and its payroll, both reported for PPP in 2020 and brought up to date.
What we know
Signs of a sale Some signs of a sale
- In business 80 years (since 1946)
From public records and the company's website, not a statement that it's for sale.
What they do
Century Geophysical, founded in 1946 and based in Tulsa, Oklahoma, provides multi-parameter borehole logging probes, drawworks winches, and logging acquisition and display/processing software to customers throughout the world.
From the company's website. Industry: Oil & gas.
Customers & suppliers
Customers
- U.S. Geological Survey · federal contracts $137K
- Agricultural Research Service · federal contracts $18K
- Forest Service · federal contracts $-5K
Estimated value over time
▲ 9% 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.
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| CENTURY GEOPHYSICAL, LLC this business | $19.3M | — |
| Advanced-Flo Systems Tulsa | $1.5M | 0.4 mi |
| BAYTIDE PETROLEUM INC Tulsa · 10 employees | $3.2M | 1.1 mi |
| MARSHALL CLARK LLC Tulsa · 1 employees | $497K | 1.6 mi |
| MARSHALLCLARK LLC Tulsa · 1 employees | $657K | 1.6 mi |
| Crowley Oil & Manufacturer Co. Tulsa | $1.5M | 1.8 mi |
| BK EXPLORATION CORPORATION Tulsa · 3 employees | $1.1M | 1.9 mi |
The full calculation
| Employees reported to the SBA | 41 |
| Revenue from headcount (employees × revenue per employee for companies this size) | $18.2M |
| Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size) | $15.7M |
| Estimate: the two combined (geometric mean) | $19.3M |
| EBITDA margin (industry, adjusted for size) | 23% |
| EBITDA = revenue × margin | $4.4M |
Figures are shown toward the upper part of their range rather than at its middle.
Brought up to date assuming revenue has grown 8% a year since 2020, when the PPP figures were reported; included above.
| Estimated value = EBITDA × typical sale multiple | $19.3M |
| Multiple for this size and industry | 4.4× |
| Value range | $10.1M – $26.3M |
| Revenue range | $12.7M – $22.0M |
| EBITDA range | $2.9M – $5.0M |
| Industry (NAICS) | Support Activities for Oil and Gas Operations (213112) |
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. PPP loans were sized on 2019–2020 payroll, so figures reflect that period. These are statistical estimates, not reported financials. Full methodology
People & advisors
“Century Geophysical, founded in 1946, provides high quality, dependable, rugged and accurate multi-parameter borehole logging probes, drawworks winches, and comprehensive logging acquisition and display / processing software to customers throughout the world.”
Advisors
- BankingBOKF, National AssociationPPP / SBA lender
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.
Banking relationships
| BOKF, National Association PPP 2020, PPP 2021 | All 2,399 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/12/2020 | first | $443K | 41 |
| 1/23/2021 | second | $401K | 40 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Century Geophysical, LLC
Century Geophysical, LLC is an oil & gas company in Tulsa, Oklahoma, in business since 1946. Its estimated annual revenue is about $19.3M, with roughly $4.4M of EBITDA. It has about 41 employees. Its estimated business value is $19.3M (likely range $10.1M–$26.3M).
Common questions
- Who owns Century Geophysical, LLC?
- The owner of Century Geophysical, LLC isn't in public records we've found yet. If you own or run the business, you can add or correct its details on SeeBITDA.
- How much revenue does Century Geophysical, LLC make?
- SeeBITDA estimates Century Geophysical, LLC's annual revenue at about $19.3M (likely between $12.7M and $22.0M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Century Geophysical, LLC worth?
- About $19.3M, roughly 4.4× its estimated EBITDA of $4.4M, typical for a oil & gas company its size. Likely range: $10.1M–$26.3M.
- How many employees does Century Geophysical, LLC have?
- About 41, as reported on its PPP loan.
- When was Century Geophysical, LLC founded?
- Century Geophysical, LLC has been in business since 1946.