About DDSI
DDSI is an Oil and Energy company, headquartered in Tulsa, with 201 - 500 employees and annual revenue of $1M - $5M.
Downtown Design Services Inc., began operations as an Oklahoma corporation in 1999 for the purpose of providing the following Services to the Oil and Gas, Fiber Optic, Energy Industries, as well as, Municipalities, Local Governments and Utility Companies. -Mechanical and Electrical Drafting and D...
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DDSI Company Highlights
Phone Number
(918) 592-xxxx
Corporate Office Address
10 South Iroquois Avenue
Tulsa, 74120
Website
DDSI Email Format
The most common DDSI email format is [f][last] (ex. jdoe@ddsiglobal.com), currently being used by 89% of DDSI business email addresses. There are 4 email formats used by DDSI.
DDSI Org
DDSI has 7 C-Level, 1 Director, 6 Manager, 2 Senior, 23 Mid-Level, and 2 Other employees.
DDSI Decision Makers
- CEOBilly Francis
DDSI's Tech Stack
Frequently Asked Questions About
DDSI
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Who is the CEO of DDSI?
The CEO of DDSI is Billy Francis. See full contact details ›
How many senior employees does DDSI have?
DDSI has 16 senior employees that are typically used for decision making.
What email format does DDSI use?
The most common DDSI email format is {f}{last} (e.g. jdoe@ddsiglobal.com).
Who are the key decision makers at DDSI?
Key decision makers at DDSI include Billy Francis (CEO). See full contact details ›
What technologies does DDSI use?
DDSI uses technologies including All in One SEO, Apache HTTP Server, and Apple.
How do I contact DDSI?
To contact DDSI, visit ddsiglobal.com.
Where is DDSI headquartered?
DDSI is headquartered at 10 South Iroquois Avenue, Tulsa.
What is the main phone number for DDSI?
The main phone number for DDSI is (918) 592-xxxx.
What is the official website for DDSI?
The official website for DDSI is ddsiglobal.com.
What is the annual revenue of DDSI?
The annual revenue of DDSI is $1M - $5M.
How many employees does DDSI have?
DDSI has 201 - 500 employees.
What industry is DDSI in?
DDSI is in the Oil and Energy industry.
Last updated: November 4, 2025