SeeBITDAOklahoma

Fillmore and Chambers Design Group Inc

  • 6901 N ROBINSON AVE, Oklahoma City, OK
  • Since 1960
  • NAICS 541310
Estimated valueMedium confidence
$2.7M
$1.4Mlikely range$3.7M
About 4.3× its yearly profit, typical for a company this size in its industry.
Revenue
$3.5M
a year
Profit (EBITDA)
$628K
18% of revenue
Employees
12
reported in 2020
Leadership
Rick Chambers
Owner · source · confirmed by 2 sources
Likely to sell
Owner-run. We haven't found a manager besides the owner. Buyers usually pay less when a business depends on its owner.

How we got $2.7M

Based on its 12 employees and its payroll, both reported for PPP in 2020 and brought up to date.

12 employees × $290K each$3.5M
PPP payroll ÷ payroll's usual share of revenue$2.7M
Shown toward the top of its range×1.14
Revenue$3.5M
× 18% profit margin$628K
× 4.3 sale multiple = value$2.7M

· Own this business? Correct these figures

What we know

PPP loan, 2020
401(k) filing, 2025
No reported financials
Company website
Owner named

Signs of a sale Likely to sell

  • In business 66 years (since 1960)
  • No family successor named on its website

From public records and the company's website, not a statement that it's for sale.

What they do

Fillmore & Chambers Design Group designs custom home plans and sells stock home plans for Oklahoma families, custom home builders, and developers, operating in Oklahoma City since 1960.

Products & services
custom home plan designhouse plan modificationsstock home plansplan booksnew home construction drawingsspec home planresidential floor plan design
Markets served
Oklahoma familiescustom home buildersdevelopershomeownersbuilders
Service area
OklahomaOklahoma City

From the company's website. Industry: Engineering & architecture.

Customers & suppliers

Possible customers nearby

The largest businesses within about 60 miles in the markets its website says it serves.

Home builders

Estimated value over time

▲ 30% since 2020
$0$1.6M$3.1M2020202120222023202420252026

Today'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

▼ 8% since 2020
010202020202120222023202420251211
401(k) / retirement-plan participantsEmployees reported for PPP
Show as table
YearSourceEmployeesEst. revenueEst. EBITDA
2020PPP loan12$2.7M$489K
2020Form 550012$2.7M$489K
2021Form 550012$2.7M$489K
2022Form 550012$2.7M$489K
2023Form 550012$2.7M$489K
2024Form 550011$2.5M$448K
2025Form 550011$2.5M$448K

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

BusinessEst. revenueEst. profitDistance
FILLMORE AND CHAMBERS DESIGN GROUP INC
this business
$3.5M$628K—
WILLIAM S. BOYD, INC
Oklahoma City · 1 employees
$398K$92K0.1 mi
BEARING TREE LAND SURVEYING LLC
Oklahoma City · 19 employees
$5.0M$897K0.3 mi
Olsson Associates
Oklahoma City
$2.4M$242K0.3 mi
Ait
Oklahoma City
$2.0M$391K0.4 mi
RESERVOIR CONSULTING LLC
Oklahoma City · 1 employees
$351K$82K0.5 mi
Critical Mass Productions
Oklahoma City
$2.0M$391K0.5 mi

The full calculation

Employees reported to the SBA12
Revenue from headcount (employees × revenue per employee for companies this size)$3.5M
Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size)$2.7M
Estimate: the two combined (geometric mean)$3.5M
EBITDA margin (industry, adjusted for size)18%
EBITDA = revenue × margin$628K

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$2.7M
Multiple for this size and industry4.3×
Value range$1.4M – $3.7M
Revenue range$2.3M – $4.0M
EBITDA range$413K – $716K
Industry (NAICS)Architectural Services (541310)

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

Founded 1960 by Robert L. Fillmore
“Fillmore Design Group was founded in 1960 in Oklahoma City by Robert L. Fillmore.”

Advisors

  • BankingKirkpatrick 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

Kirkpatrick Bank
PPP 2020
All 258 borrowers →

From PPP and SBA loan records, which name the bank but not the individual banker.

PPP loans

ApprovedDrawAmountForgivenJobsLender
4/10/2020first$121K$122K12Kirkpatrick Bank

Public records

Matched to this business by name and address from public government data; a match can occasionally be wrong.

About Fillmore and Chambers Design Group Inc

Fillmore and Chambers Design Group Inc is an engineering & architecture company in Oklahoma City, Oklahoma, in business since 1960. It is owned by Rick Chambers. Its estimated annual revenue is about $3.5M, with roughly $628K of EBITDA. It has about 11 employees. Its estimated business value is $2.7M (likely range $1.4M–$3.7M).

Common questions

Who owns Fillmore and Chambers Design Group Inc?
Fillmore and Chambers Design Group Inc is owned by Rick Chambers, according to public sources such as the company's website or filings.
How much revenue does Fillmore and Chambers Design Group Inc make?
SeeBITDA estimates Fillmore and Chambers Design Group Inc's annual revenue at about $3.5M (likely between $2.3M and $4.0M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
What is Fillmore and Chambers Design Group Inc worth?
About $2.7M, roughly 4.3× its estimated EBITDA of $628K, typical for a engineering & architecture company its size. Likely range: $1.4M–$3.7M.
How many employees does Fillmore and Chambers Design Group Inc have?
About 11, from its 2025 retirement-plan filing.
When was Fillmore and Chambers Design Group Inc founded?
Fillmore and Chambers Design Group Inc has been in business since 1960.
Is Fillmore and Chambers Design Group Inc for sale?
There's no public listing, but it shows signs that often come before a sale: in business 66 years (since 1960); no family successor named on its website.