Thunderhead Testing LLC
How we got $7.1M
Based on its 9 employees and its payroll, both reported for PPP in 2020 and brought up to date.
What we know
Estimated value over time
▲ 23% 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
▲ 0% since 2020Show as table
| Year | Source | Employees | Est. revenue |
|---|---|---|---|
| 2020 | PPP loan | 9 | $10.3M |
| 2020 | Form 5500 | 11 | $12.6M |
| 2021 | Form 5500 | 7 | $8.0M |
| 2022 | Form 5500 | 9 | $10.3M |
| 2023 | Form 5500 | 10 | $11.5M |
| 2024 | Form 5500 | 9 | $10.3M |
| 2025 | Form 5500 | 9 | $10.3M |
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 |
|---|---|---|
| THUNDERHEAD TESTING LLC this business | $14.1M | — |
| WELDRIL HOLDINGS LLC Tulsa · 8 employees | $32.6M | 5.1 mi |
| CARRERA GAS COMPANIES LLC Tulsa | $25.6M | 6.4 mi |
| NU-TIER BRANDS, INC Tulsa · 14 employees | $21.3M | 6.6 mi |
| ASPHALT AND FUEL SUPPLY, LLC Tulsa · 23 employees | $47.2M | 8.8 mi |
| ASPHALT AND FUEL TRANSPORT LLC Tulsa · 33 employees | $65.0M | 8.8 mi |
| JCL SAFETY SERVICES, LLC Tulsa · 90 employees | $1.02B | 10.2 mi |
The full calculation
| Employees reported to the SBA | 9 |
| Revenue from headcount (employees × revenue per employee for companies this size) | $16.8M |
| Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size) | $9.0M |
| Estimate: the two combined (geometric mean) | $14.1M |
| EBITDA margin (industry, adjusted for size) | 11% |
| EBITDA = revenue × margin | $1.6M |
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 | $7.1M |
| Multiple for this size and industry | 4.5× |
| Value range | $3.7M – $9.7M |
| Revenue range | $9.3M – $16.0M |
| EBITDA range | $1.0M – $1.8M |
| Industry (NAICS) | Asphalt Paving Mixture and Block Manufacturing (324121) |
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. PPP loans were sized on 2019–2020 payroll, so figures reflect that period. These are statistical estimates, not reported financials. Full methodology
People & advisors
Leadership
- CYCynthia Y LynnSigned for the company · 2022 retirement-plan filing (Form 5500)
Advisors
- BankingArvest BankPPP / 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
| Arvest Bank PPP 2020 | All 5,114 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/8/2020 | first | $70K | 9 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Thunderhead Testing LLC
Thunderhead Testing LLC is an asphalt paving mixture and block manufacturing company in Bixby, Oklahoma. It is owned by Cynthia Lynn. Its estimated annual revenue is about $14.1M, with roughly $1.6M of EBITDA. It has about 9 employees. Its estimated business value is $7.1M (likely range $3.7M–$9.7M).
Common questions
- Who owns Thunderhead Testing LLC?
- Thunderhead Testing LLC is owned by Cynthia Lynn, according to public sources such as the company's website or filings.
- How much revenue does Thunderhead Testing LLC make?
- SeeBITDA estimates Thunderhead Testing LLC's annual revenue at about $14.1M (likely between $9.3M and $16.0M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Thunderhead Testing LLC worth?
- About $7.1M, roughly 4.5× its estimated EBITDA of $1.6M, typical for a asphalt paving mixture and block manufacturing company its size. Likely range: $3.7M–$9.7M.
- How many employees does Thunderhead Testing LLC have?
- About 9, from its 2025 retirement-plan filing.