Insights

Diversified Industry Exposure CLS Group serves multiple high-growth sectors including Telecommunications, Oil and Gas, Renewable Energy, and Utilities, presenting numerous cross-industry sales opportunities for tailored service solutions and strategic partnerships.

Strong Regional Presence With headquarters in Oklahoma City and satellite offices across all 50 states, CLS Group offers extensive geographic coverage, enabling targeted regional expansions and local engagement initiatives.

Technological Advancements The company's use of advanced software tools and modern tech stacks such as Microsoft ASP.NET and IIS positions it for innovative, technology-driven service offerings, which can be leveraged to upsell digital transformation and automation solutions.

Recent Strategic Growth The hiring of prominent leaders like Gottfried Leibbrandt and key partnerships including collaborations with IBM and Capitolis highlight CLS Group’s focus on growth and innovation, opening doors for enterprise-level service proposals and strategic alliances.

Financial Stability & Revenue With revenues estimated between $100 million and $250 million, CLS Group demonstrates strong financial health, making it a reliable target for large-scale service contracts, project funding, and long-term consulting engagements.

CLS Group Tech Stack

CLS Group uses 8 technology products and services including Paycom, Modernizr, Choices, and more. Explore CLS Group's tech stack below.

  • Paycom
    Applicant Tracking Systems
  • Modernizr
    Javascript Libraries
  • Choices
    Javascript Libraries
  • Microsoft
    Miscellaneous
  • Windows Server
    Operating Systems
  • HSTS
    Security
  • Microsoft ASP.NET
    Web Frameworks
  • Microsoft IIS
    Web Servers

Media & News

CLS Group's Email Address Formats

CLS Group uses at least 1 format(s):
CLS Group Email FormatsExamplePercentage
FLast@clsgroup.comJDoe@clsgroup.com
87%
Last@clsgroup.comDoe@clsgroup.com
5%
First.Last@clsgroup.comJohn.Doe@clsgroup.com
5%
First@clsgroup.comJohn@clsgroup.com
3%

Frequently Asked Questions

Where is CLS Group's headquarters located?

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CLS Group's main headquarters is located at 609 South Kelly Avenue, Suite c. The company has employees across 2 continents, including North AmericaEurope.

What is CLS Group's phone number?

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You can contact CLS Group'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 CLS Group's official website and social media links?

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CLS Group's official website is clsgroup.com and has social profiles on LinkedIn.

What is CLS Group's NAICS code?

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CLS Group's NAICS code is 517 - Telecommunications.

How many employees does CLS Group have currently?

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As of December 2025, CLS Group has approximately 51 employees across 2 continents, including North AmericaEurope. Key team members include Chief Executive Officer: D. P.Chief Executive Officer: M. B.Chief Information Officer: T. B.. Explore CLS Group's employee directory with LeadIQ.

What industry does CLS Group belong to?

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CLS Group operates in the Telecommunications industry.

What technology does CLS Group use?

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CLS Group's tech stack includes PaycomModernizrChoicesMicrosoftWindows ServerHSTSMicrosoft ASP.NETMicrosoft IIS.

What is CLS Group's email format?

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CLS Group's email format typically follows the pattern of FLast@clsgroup.com. Find more CLS Group email formats with LeadIQ.

When was CLS Group founded?

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CLS Group was founded in 1985.

CLS Group

TelecommunicationsOklahoma, United States51-200 Employees

CLS Group is an industry leading provider of dynamic service solutions to the Telecommunications, Oil and Gas, Renewable Energy and Utilities industries.  Employing four decades of experience and an innate ability to problem solve, CLS Group has established a strong presence both regionally and nationally. 

Headquartered in Oklahoma City, Oklahoma with satellite offices located in every region of the country, CLS Group is strategically positioned to offer program / project management, site development, engineering, and construction management solutions throughout all 50 states.

Commitment to excellence and quality work, coupled with benchmark personnel is the foundation of CLS Group's success.  Innovative solutions and clear, concise client interactions are also paramount to the CLS Group’s achievements.  Customer service, strategic planning, speed to market, as well as fiscal responsibility are the principles CLS instills in all endeavors.   CLS Group prides itself in the unremitting quality and prevailing innovation provided to each client. This dedication has built our financially sound history and enabled the company to deliver quality services that meet the timelines and budgets of each client.  Communicating with each client and truly understanding their needs, wants and expectations is what sets CLS Group apart from the competition.

CLS Group takes pride in our strong self-perform volume capabilities without sacrificing the quality and attention to detail that we’ve built our reputation upon.  Our overall operational methodology, centered around sound processes, consistent business practices, and the use of internally developed software tools, has created efficiencies and built-in quality checks that drive tremendous value to our customers’ projects.  Our model gives us the luxury of controlling every aspect of the product/service we deliver to our customer: Quality, Accuracy, Efficiency, Speed, and Communication.

Section iconCompany Overview

Headquarters
609 South Kelly Avenue, Suite c
Phone number
NAICS Code
517 - Telecommunications
Founded
1985
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    CLS Group's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    CLS Group's revenue is estimated to be in the range of $100M$250M

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