Head, Johnson, Kachigian & Wilkinson Pc
What we know
Employees over time
▼ 14% since 2020Show as table
| Year | Source | Employees | Est. revenue |
|---|---|---|---|
| 2020 | Form 5500 | 7 | $1.9M |
| 2021 | Form 5500 | 7 | $1.9M |
| 2022 | Form 5500 | 7 | $1.9M |
| 2023 | Form 5500 | 8 | $2.2M |
| 2024 | Form 5500 | 8 | $2.2M |
| 2025 | Form 5500 | 6 | $1.7M |
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 |
|---|---|---|
| Head, Johnson, Kachigian & Wilkinson Pc this business | — | — |
| Stratton Family Law Tulsa | $942K | 0.0 mi |
| Shared Medical Systems Tulsa | $942K | 0.0 mi |
| SELLERS LAW FIRM, A PROFESSIONAL CORPORATION Tulsa · 2 employees | $637K | 0.0 mi |
| SCHAFFER HERRING, PLLC Tulsa · 14 employees | $6.7M | 0.0 mi |
| SECREST HILL BUTLER & SECREST P C Tulsa · 28 employees | $10.3M | 0.0 mi |
| Laura Jennings at SchafferHerring PLLC Tulsa | $942K | 0.0 mi |
The full calculation
| Revenue range | — – — |
| EBITDA range | — – — |
| Industry (NAICS) | Offices of Lawyers (541110) |
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. Listing details come from Overture Maps open data. Full methodology
People & advisors
“Head, Johnson, Kachigian & Wilkinson, PC was established in Tulsa, Oklahoma in 1958 to assist entities in their patent and trademark activities.”
Leadership
- CLCassandra L. WilkinsonManaging Attorney · Company website · source
- MGMark G. KachigianManaging Attorney · Company website · source
- CMChad M. HinrichsPatent Attorney · Company website · source
- THTammy HammSenior Paralegal · Company website · source
- DPDonna Purdom-HantwerkerOffice Manager · Company website · source
- KAKimberly Allen-BartleyParalegal · Company website · source
- KHKathryn HinkleParalegal · Company website · source
- LWLynn WessonDocketing Paralegal · Company website · source
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 Roles are as stated there and may be out of date.
Public records
Matched to this business by name and address from public government data; a match can occasionally be wrong.
About Head, Johnson, Kachigian & Wilkinson Pc
Head, Johnson, Kachigian & Wilkinson Pc is a law firms company in Tulsa, Oklahoma, in business since 1958. It is a location of HEAD, JOHNSON, KACHIGIAN & WILKINSON, PC. It has about 6 employees.
Common questions
- Who owns Head, Johnson, Kachigian & Wilkinson Pc?
- The owner of Head, Johnson, Kachigian & Wilkinson Pc 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 many employees does Head, Johnson, Kachigian & Wilkinson Pc have?
- About 6, from its 2025 retirement-plan filing.
- When was Head, Johnson, Kachigian & Wilkinson Pc founded?
- Head, Johnson, Kachigian & Wilkinson Pc has been in business since 1958.