Sentinel Power Services, Inc.
How we got $1.4M
Based on its 7 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 28 years (since 1998)
From public records and the company's website, not a statement that it's for sale.
What they do
Sentinel Power Services, Inc. repairs, builds, tests, and installs electrical power systems equipment and provides engineering, maintenance, and training services. It serves industrial and other clients, and says it was founded in 1998 as a breaker repair shop for industrial clients in the greater Tulsa, Oklahoma area.
From the company's website. Industry: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
Estimated value over time
▲ 18% 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
▲ 186% since 2020Show as table
| Year | Source | Employees | Est. revenue |
|---|---|---|---|
| 2020 | PPP loan | 7 | $1.7M |
| 2020 | Form 5500 | 20 | $4.8M |
| 2021 | Form 5500 | 23 | $5.5M |
| 2022 | Form 5500 | 20 | $4.8M |
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 |
|---|---|---|
| SENTINEL POWER SERVICES, INC. this business | $3.8M | — |
| SENTINEL FIELD SERVICES, LLC Tulsa · 13 employees | $6.7M | 0.0 mi |
| Aluminum Hardcoat Co Tulsa | $1.7M | 1.0 mi |
| INTERCONTINENTAL JET SERVICE CORPORATION Tulsa | $12.1M | 1.8 mi |
| REDBONE TOOL AND MACHINE INC Tulsa · 2 employees | $833K | 2.1 mi |
| BEST GRINDING INC Tulsa · 4 employees | $1.2M | 2.1 mi |
| READY SERVICES, LLC Tulsa · 12 employees | $4.4M | 2.2 mi |
The full calculation
| Employees reported to the SBA | 7 |
| Revenue from headcount (employees × revenue per employee for companies this size) | $2.0M |
| Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size) | $5.4M |
| Estimate: the two combined (geometric mean) | $3.8M |
| EBITDA margin (industry, adjusted for size) | 12% |
| EBITDA = revenue × margin | $468K |
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 | $1.4M |
| Multiple for this size and industry | 3× |
| Value range | $738K – $1.9M |
| Revenue range | $2.5M – $4.3M |
| EBITDA range | $308K – $533K |
| Industry (NAICS) | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance (811310) |
Low confidence: the employee-based and payroll-based estimates differ by more than 2×.
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
“Sentinel Power Services, Inc. was founded in December 1998 as a breaker repair shop for industrial clients in the greater Tulsa, Oklahoma area.”
Advisors
- BankingAmerican Bank and Trust CompanyPPP / 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
| American Bank and Trust Company PPP 2020 | All 117 borrowers → |
From PPP and SBA loan records, which name the bank but not the individual banker.
PPP loans
| Approved | Draw | Amount | Jobs |
|---|---|---|---|
| 4/7/2020 | first | $147K | 7 |
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Sentinel Power Services, Inc.
Sentinel Power Services, Inc. is a commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance company in Tulsa, Oklahoma, in business since 1998. Its estimated annual revenue is about $3.8M, with roughly $468K of EBITDA. It has about 20 employees. Its estimated business value is $1.4M (likely range $738K–$1.9M).
Common questions
- Who owns Sentinel Power Services, Inc.?
- The owner of Sentinel Power Services, Inc. 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 Sentinel Power Services, Inc. make?
- SeeBITDA estimates Sentinel Power Services, Inc.'s annual revenue at about $3.8M (likely between $2.5M and $4.3M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
- What is Sentinel Power Services, Inc. worth?
- About $1.4M, roughly 3× its estimated EBITDA of $468K, typical for a commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance company its size. Likely range: $738K–$1.9M.
- How many employees does Sentinel Power Services, Inc. have?
- About 20, from its 2022 retirement-plan filing.
- When was Sentinel Power Services, Inc. founded?
- Sentinel Power Services, Inc. has been in business since 1998.