Harmon Security Group LLC
- Cathy HarmonOffice Manager · Company website
- Cody VancampOperations Manager · Company website
How we got $5.0M
Based on its 49 employees and its payroll, both reported for PPP in 2020 and brought up to date.
Estimated value over time
▲ 47% 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 20 years (since 2006)
- Family in the business (Cathy Harmon, Office Manager)
From public records and the company's website, not a statement that it's for sale.
What they do
Harmon Security Group LLC is a Tulsa-based security guard company providing security officers, patrol, video surveillance and related services to government and corporate clients.
From the company's website. Industry: Security services.
Customers & suppliers
Customers
- Thomas Gilcrease Museum · named on its website
- City of Tulsa · named on its website
- Cleveland Cavaliers · named on its website
- Big Elk Energy · named on its website
Possible customers nearby
The largest businesses within about 60 miles in the markets its website says it serves.
- Laredo Petroleum · Tulsa, 9 mi · $1.95B
- Aaon, Inc. · Tulsa, 10 mi · $1.44B
- JCL SAFETY SERVICES, LLC · Tulsa, 4 mi · $1.02B
- XCALIBER INTERNATIONAL, LTD · Pryor, 34 mi · $615.7M
- KELVION INC. · Catoosa, 7 mi · $614.3M
- TTCU Federal Credit Union · Tulsa, 9 mi · $171.6M
- Gateway First Bank · Jenks, 13 mi · $169.1M
- Regent Bank · Tulsa, 7 mi · $131.8M
- Blue Sky Bank · Pawhuska, 46 mi · $88.9M
- Sovereign Bank · Shawnee, 81 mi · $82.6M
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| HARMON SECURITY GROUP LLC this business | $12.7M | — |
| Harvest Security Solutions Tulsa | $1.6M | 0.0 mi |
| MONITORING AMERICA ALARM CO-OP Tulsa · 20 employees | $6.0M | 1.3 mi |
| TULSA LOCK & KEY INC. Tulsa · 4 employees | $1.1M | 1.8 mi |
| WITNESS SECURITY LLC Tulsa · 8 employees | $2.0M | 1.8 mi |
| Signal 88 Security of Tulsa Tulsa | $1.6M | 2.9 mi |
| Conway Security Services Llc Tulsa | $1.6M | 3.0 mi |
Ranges & sources
| Revenue range | $8.4M – $14.5M |
| EBITDA range | $737K – $1.3M |
| Industry (NAICS) | Security Systems Services (except Locksmiths) (561621) |
| Value range | $2.7M – $6.9M |
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
Advisors
- BankingBlue Sky 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
| Blue Sky Bank PPP 2020, PPP 2021 | All 430 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/28/2020 | first | $336K | 49 |
| 3/16/2021 | second | $374K | 48 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Harmon Security Group LLC
Harmon Security Group LLC is a security services company in Tulsa, Oklahoma, in business since 2006. It is owned by Daniel Harmon (President). Its estimated annual revenue is about $12.7M, with roughly $1.1M of EBITDA. It has about 49 employees. Its estimated business value is $5.0M (likely range $2.7M–$6.9M).
Common questions
- Who owns Harmon Security Group LLC?
- Harmon Security Group LLC is owned by Daniel Harmon (President), according to public sources such as the company's website or filings.
- How much revenue does Harmon Security Group LLC make?
- SeeBITDA estimates Harmon Security Group LLC's annual revenue at about $12.7M (likely between $8.4M and $14.5M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Harmon Security Group LLC worth?
- About $5.0M, roughly 4.5× its estimated EBITDA of $1.1M, typical for a security services company its size. Likely range: $2.7M–$6.9M.
- How many employees does Harmon Security Group LLC have?
- About 49, as reported on its PPP loan.
- When was Harmon Security Group LLC founded?
- Harmon Security Group LLC has been in business since 2006.