Insights

Strategic Partnerships DORIS has recently partnered with TotalEnergies and maintains a wide network of marquee industry collaborators; this indicates strong co-delivery capabilities and a fertile path for joint bids and extended services in both oil & gas and renewables.

Energy Transition Focus Proven involvement in floating wind and hydrogen integration projects, including the first floating wind turbine collaboration; there are opportunities to offer end-to-end engineering, procurement, and construction management for offshore wind assets and hydrogen-enabled platforms.

IP and Tooling With more than 230 patents and proprietary offshore analysis and design tools, DORIS can differentiate via technology-led delivery; a sales angle could be licensing or co-developing tools for large client programs or offering advanced analytics as a service.

Quality Assurance ISO 9001 compliant quality management system and formal quality governance support high-risk, regulated projects and PMO delivery; propose offering QA/QC extensions, quality improvement programs, and process optimization for client projects.

Global Talent Large global headcount and broad experience, plus initiatives like STEM returners, indicate a robust talent pool and capacity to staff and scale for major projects and secondments across regions.

DORIS Tech Stack

DORIS uses 8 technology products and services including Modbus, Google Fonts API, Google Charts, and more. Explore DORIS's tech stack below.

  • Modbus
    Communications Technology
  • Google Fonts API
    Font Scripts
  • Google Charts
    Javascript Graphics
  • Microsoft
    Miscellaneous
  • LinkedIn
    Online Community Software
  • WordPress Block Editor
    Page Builders
  • GeneratePress
    Web Platform Extensions
  • Nginx
    Web Servers

Media & News

DORIS's Email Address Formats

DORIS uses at least 2 format(s):
DORIS Email FormatsExamplePercentage
FLast@doris-inc.comJDoe@doris-inc.com
79%
First.Last@doris-inc.comJohn.Doe@doris-inc.com
20%
Last@doris-inc.comDoe@doris-inc.com
1%
First.Last@dorisgroup.comJohn.Doe@dorisgroup.com
98%
Last.First@dorisgroup.comDoe.John@dorisgroup.com
1%
FirstLast@dorisgroup.comJohnDoe@dorisgroup.com
1%

Frequently Asked Questions

Where is DORIS's headquarters located?

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DORIS's main headquarters is located at 840 Gessner Road Suite 400 Houston, Texas 77024 United States. The company has employees across 5 continents, including North AmericaEuropeSouth America.

What is DORIS's phone number?

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You can contact DORIS's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is DORIS's official website and social media links?

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DORIS's official website is dorisgroup.com and has social profiles on LinkedIn.

What is DORIS's SIC code NAICS code?

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DORIS's SIC code is 8711 - Engineering Services NAICS code is 211 - Oil and Gas Extraction.

How many employees does DORIS have currently?

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As of February 2026, DORIS has approximately 1K employees across 5 continents, including North AmericaEuropeSouth America. Key team members include Ceo: J. M.Chief Executive: J. C.President: J. H.. Explore DORIS's employee directory with LeadIQ.

What industry does DORIS belong to?

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DORIS operates in the Oil and Gas industry.

What technology does DORIS use?

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DORIS's tech stack includes ModbusGoogle Fonts APIGoogle ChartsMicrosoftLinkedInWordPress Block EditorGeneratePressNginx.

What is DORIS's email format?

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DORIS's email format typically follows the pattern of FLast@doris-inc.com. Find more DORIS email formats with LeadIQ.

When was DORIS founded?

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DORIS was founded in 1965.

DORIS

Oil and GasTexas, United States1001-5000 Employees

Doris, Inc. is an oil and gas engineering and project-management firm based in Houston, Texas, founded in 2000 as a subsidiary of Doris Engineering. It provides support across the full lifecycle of onshore and offshore field developments, from concept studies to operational assistance. The parent organization, Doris Engineering, is a privately held, independent engineering company with a long industry history and a global partner network. Doris, Inc. operates under a corporate quality management system that complies with ISO 9001. 

The company serves oil and gas operators and project partners seeking integrated lifecycle support for both onshore and offshore developments. In April 2026, DORIS Group announced a partnership with TotalEnergies, reflecting ongoing collaboration with major industry players.

Section iconCompany Overview

Headquarters
840 Gessner Road Suite 400 Houston, Texas 77024 United States
Phone number
SIC Code
8711 - Engineering Services
NAICS Code
211 - Oil and Gas Extraction
Founded
1965
Employees
1001-5000

Section iconFunding & Financials

  • $250M$500M

    DORIS's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    DORIS's revenue is estimated to be in the range of $250M$500M

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