Guardian Interlock, LLC
How we got $350K
Estimated value over time
▲ 103% 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
What they do
Guardian Interlock of Oklahoma is a locally owned ignition interlock device provider that installs, services and monitors breath-alcohol interlocks for drivers required to use them after a DUI arrest in Oklahoma.
From the company's website. Industry: Other Support Activities for Road Transportation.
Customers & suppliers
Possible customers nearby
The largest businesses within about 60 miles in the markets its website says it serves.
- ROBINSON LAW GROUP PC · Tulsa, 5 mi · $226.3M
- RIGGS ABNEY NEAL TURPEN ORBISON · Tulsa, 8 mi · $76.5M
- GABLE GOTWALS · Tulsa, 8 mi · $74.7M
- RIGGS ABNEY NEAL ORBISON %26AMP%3B LEWIS PC · Tulsa, 8 mi · $74.7M
- HALL, ESTILL, HARDWICK, GABLE, GOLDEN & NELSON, P.C. · Tulsa, 8 mi · $47.4M
Compared with similar businesses nearby
| Business | Est. revenue | Distance |
|---|---|---|
| GUARDIAN INTERLOCK, LLC this business | $1.1M | — |
| STEWART BROTHERS INC Tulsa · 7 employees | $1.7M | 1.9 mi |
| G & A EXPRESS TRUCKING LLC Tulsa · 4 employees | $652K | 2.6 mi |
| GREGORY BOSWELL Tulsa · 1 employees | $240K | 2.8 mi |
| PATHWAY SERVICES, INC. Broken Arrow · 51 employees | $9.8M | 2.9 mi |
| Storey Wrecker Broken Arrow | $2.7M | 4.0 mi |
| MYERS TRANSPORT INC. Broken Arrow · 4 employees | $652K | 4.3 mi |
Ranges & sources
| Revenue range | $855K – $1.5M |
| EBITDA range | $101K – $175K |
| Industry (NAICS) | Other Support Activities for Road Transportation (488490) |
| Value range | $210K – $546K |
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
- BankingGrand 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 Roles are as stated there and may be out of date.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
| Grand Bank PPP 2020, PPP 2021 | All 407 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/27/2020 | first | $67K | 6 |
| 1/23/2021 | second | $65K | 7 |
4 locations
| 9902 E 43RD ST STE A | Tulsa | This listing |
| 2800 N First Ave | Durant | View |
| 2706 NW Sheridan Rd | Lawton | View |
| 44 NE 51st St G | Oklahoma City | View |
Revenue, EBITDA 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 Guardian Interlock, LLC
Guardian Interlock, LLC is an other support activities for road transportation company in Tulsa, Oklahoma, in business since 2018. Its estimated annual revenue is about $1.1M, with roughly $135K of EBITDA. It has about 7 employees. Its estimated business value is $350K (likely range $210K–$546K). It has 4 locations.
Common questions
- Who owns Guardian Interlock, LLC?
- The owner of Guardian Interlock, 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 Guardian Interlock, LLC make?
- SeeBITDA estimates Guardian Interlock, LLC's annual revenue at about $1.1M (likely between $855K and $1.5M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Guardian Interlock, LLC worth?
- About $350K, roughly 2.6× its estimated EBITDA of $135K, typical for a other support activities for road transportation company its size. Likely range: $210K–$546K.
- How many employees does Guardian Interlock, LLC have?
- About 7, as reported on its PPP loan.
- When was Guardian Interlock, LLC founded?
- Guardian Interlock, LLC has been in business since 2018.