Firstline Filters, LLC
How we got $1.5M
Based on its 16 employees and its payroll, both reported for PPP in 2020 and brought up to date.
Estimated value over time
▲ 58% 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.
What we know
Signs of a sale Unlikely to sell soon
- In business 17 years (since 2009)
From public records and the company's website, not a statement that it's for sale.
What they do
FirstLine Filters is a family-owned HVAC air filter manufacturer and supplier in Tulsa, Oklahoma, making filters sold to commercial, industrial, and residential customers nationwide.
From the company's website. Industry: Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing.
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| FIRSTLINE FILTERS, LLC this business | $3.6M | — |
| AAON, Inc. Tulsa | $1.3M | 0.7 mi |
| Aaon, Inc. Tulsa | $1.44B | 0.9 mi |
| TULSA HEATERS, INC. Tulsa · 45 employees | $30.5M | 1.1 mi |
| SPECIFIC SYSTEMS, LLC Tulsa · 73 employees | $33.5M | 1.8 mi |
| AIRFLO COOLING TECHNOLOGIES, LLC Tulsa · 22 employees | $9.8M | 2.3 mi |
| LIMCO AIREPAIR INC Tulsa · 170 employees | $68.2M | 3.1 mi |
The full calculation
| Employees reported to the SBA | 16 |
| Revenue from headcount (employees × revenue per employee for companies this size) | $4.0M |
| Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size) | $2.4M |
| Estimate: the two combined (geometric mean) | $3.6M |
| EBITDA margin (industry, adjusted for size) | 13% |
| EBITDA = revenue × margin | $454K |
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 | $1.5M |
| Multiple for this size and industry | 3.2× |
| Value range | $764K – $2.0M |
| Revenue range | $2.3M – $4.1M |
| EBITDA range | $298K – $517K |
| Industry (NAICS) | Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413) |
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
History & advisors
“FirstLine Filters founded in Tulsa, Oklahoma by a family committed to American manufacturing.”
Advisors
- BankingStride Bank, 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
| Stride Bank, National Association PPP 2020, PPP 2021 | All 504 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/3/2020 | first | $86K | 16 |
| 1/28/2021 | second | $86K | 12 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Firstline Filters, LLC
Firstline Filters, LLC is a family-owned industrial and commercial fan and blower and air purification equipment manufacturing company in Tulsa, Oklahoma, in business since 2009. Its estimated annual revenue is about $3.6M, with roughly $454K of EBITDA. It has about 16 employees. Its estimated business value is $1.5M (likely range $764K–$2.0M).
Common questions
- Who owns Firstline Filters, LLC?
- The owner of Firstline Filters, 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 Firstline Filters, LLC make?
- SeeBITDA estimates Firstline Filters, LLC's annual revenue at about $3.6M (likely between $2.3M and $4.1M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Firstline Filters, LLC worth?
- About $1.5M, roughly 3.2× its estimated EBITDA of $454K, typical for a industrial and commercial fan and blower and air purification equipment manufacturing company its size. Likely range: $764K–$2.0M.
- How many employees does Firstline Filters, LLC have?
- About 16, as reported on its PPP loan.
- When was Firstline Filters, LLC founded?
- Firstline Filters, LLC has been in business since 2009.