SeeBITDAOklahoma
Estimated valueLow confidence
$700K
$165Klikely range$1.3M
About 2.9× its yearly profit, typical for a company this size in its industry.
Revenue
$2.4M
a year
Profit (EBITDA)
$242K
10% of revenue
Employees
—
not reported
Leadership
Tim Harrison
Founder, CEO · source · confirmed by 2 sources
Unlikely to sell soon
Has a management team. Someone besides the owner runs part of the business, which buyers pay more for.

How we got $700K

Based on typical figures for its industry (2022 Economic Census), not its own records.

A typical engineering & architecture business in Oklahoma$2.4M
Revenue$2.4M
× 10% profit margin$242K
× 2.9 sale multiple = value$700K

· Own this business? Correct these figures

What we know

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

Signs of a sale Unlikely to sell soon

  • In business 16 years (since 2010)

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

What they do

DDSI Global (Downtown Design Services, Inc.) provides design, drafting, and surveying services, plus its own data management software, for oil and gas, fiber optic, energy, municipal, local government, and utility clients.

Products & services
DesignDraftingPipeline SurveyingLand SurveyingTelecom SurveyingAerial SurveyingData ManagerData Manager XtremeDevelopment
Markets served
Oil and GasFiber OpticEnergy IndustriesMunicipalitiesLocal GovernmentsUtility CompaniesMidstreamUpstream
Certifications
Better Business Bureau Accredited BusinessISNetworld Registered ContractorBlue Sky Certified

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.

Oil & gas

Compared with similar businesses nearby

BusinessEst. revenueEst. profitDistance
Ddsi
this business
$2.4M$242K—
R.W. BRIGHT ARCHITECTS, INC.
Tulsa · 3 employees
$903K$179K0.0 mi
PHILLIPS + GOMEZ, INC.
Tulsa · 15 employees
$5.7M$818K0.0 mi
FREESE ARCHITECTURE, INC.
Tulsa · 4 employees
$1.2M$241K0.1 mi
WOZENCRAFT & ASSOCIATES PLLC
Tulsa · 3 employees
$978K$194K0.1 mi
Create The Movement Llc
Tulsa
$2.0M$391K0.1 mi
MESHEK & ASSOCIATES, LLC
Tulsa · 49 employees
$18.1M$2.4M0.1 mi

The full calculation

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$700K
Multiple for this size and industry2.9×
Value range$165K – $1.3M

This business has no PPP loan on record, so there is no business-specific data. The figures are the typical estimated revenue of Engineering Services businesses in our Oklahoma data: the middle value, with the range covering the middle half of those businesses. EBITDA applies the industry margin (10%). Treat these as a rough guide.

Revenue range$718K – $3.9M
EBITDA range$71K – $385K
Industry (NAICS)Engineering Services (541330)

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. These are statistical estimates, not reported financials. Listing details come from Overture Maps open data. Full methodology

History & advisors

Founded by Tim Harrison
“For over 25 years Downtown Design Services, Inc (DDSI) has continued to raise the standard of what a design services company should be.”

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 Ddsi

Ddsi is an engineering & architecture company in Tulsa, Oklahoma, in business since 2010. It is owned by Tim Harrison (Founder, CEO). Its estimated annual revenue is about $2.4M, with roughly $242K of EBITDA. Its estimated business value is $700K (likely range $165K–$1.3M).

Common questions

Who owns Ddsi?
Ddsi is owned by Tim Harrison (Founder, CEO), according to public sources such as the company's website or filings.
How much revenue does Ddsi make?
SeeBITDA estimates Ddsi's annual revenue at about $2.4M (likely between $718K and $3.9M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
What is Ddsi worth?
About $700K, roughly 2.9× its estimated EBITDA of $242K, typical for a engineering & architecture company its size. Likely range: $165K–$1.3M.
When was Ddsi founded?
Ddsi has been in business since 2010.