What is DORIS's NAICS code?

DORIS's NAICS code is 211 (Oil and Gas Extraction).

Insights

Strategic partnerships DORIS Group actively partners with major industry players (TotalEnergies, Technip Energies, SBM Offshore, SLB, Subsea7, etc.), signaling strong collaboration channels and potential for co-sell opportunities or joint ventures with complementary capabilities.

Offshore and onshore focus Strong experience across offshore and onshore field development with end-to-end support from concept studies to operations indicates a broad service scope ideal for clients seeking integrated engineering and project management solutions.

Growth through innovation A long-standing R&D program, 230 patents, proprietary offshore tools, and milestones like first floating wind turbine demonstrate a commitment to advanced tech, creating upsell opportunities in high-tech design and digital engineering offerings.

Sustainability momentum Engagement with sustainable projects (e.g., XFuel collaboration; floating wind and hydrogen initiatives) suggests demand for decarbonization and value-added engineering services for green energy transitions.

Global delivery footprint With over 1100 employees worldwide and established partner networks, DORIS can support multinational deployments, multi-site programs, and scalable resourcing for large enterprise clients.

Similar companies to DORIS

DORIS Tech Stack

DORIS uses 8 technology products and services including gstatic.com, Font Awesome, Raphael, and more. Explore DORIS's tech stack below.

gstatic.com
Content Delivery Network
Font Awesome
Font Scripts
Raphael
Javascript Graphics
Really Simple Discovery
Miscellaneous
LinkedIn
Online Community Software
Oracle Primavera P6 Enterprise Project Portfolio Management
Operations
GeneratePress GP Premium
Web Platform Extensions
Apache
Web Servers

Media & News

DORIS's Email Address Formats

DORIS uses at least 2 format(s):

DORIS Email Formats	Example	Percentage
FLast@doris-inc.com	JDoe@doris-inc.com	79%
First.Last@doris-inc.com	John.Doe@doris-inc.com	20%
Last@doris-inc.com	Doe@doris-inc.com	1%
First.Last@dorisgroup.com	John.Doe@dorisgroup.com	98%
Last.First@dorisgroup.com	Doe.John@dorisgroup.com	1%
FirstLast@dorisgroup.com	JohnDoe@dorisgroup.com	1%

Frequently Asked Questions

What is DORIS's phone number?

You can contact DORIS's main corporate office by phone at

+1-713-973-****

. 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?

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

How much revenue does DORIS generate?

As of July 2026, DORIS's annual revenue is estimated to be $250M - $500M.

What is DORIS's SIC code NAICS code?

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

How many employees does DORIS have currently?

As of July 2026, DORIS has approximately 1K employees across 5 continents, including North AmericaEuropeSouth America. Key team members include President: J. H.Head Of Technical: T. T.Founder: P. C.. Explore DORIS's employee directory with LeadIQ.

What industry does DORIS belong to?

DORIS operates in the Oil & Energy industry.

What technology does DORIS use?

DORIS's tech stack includes gstatic.comFont AwesomeRaphaelReally Simple DiscoveryLinkedInOracle Primavera P6 Enterprise Project Portfolio ManagementGeneratePress GP PremiumApache.

What is DORIS's email format?

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

When was DORIS founded?

DORIS was founded in 1965.

DORIS

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

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

Q: How many employees does DORIS have currently?

DORIS has approximately 1K employees.

Q: What technology does DORIS use?

DORIS's tech stack includes OWL Carousel, Python, JSON-LD, iCIMS, Priority Hints.

Oil & EnergyTexas, 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.