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Gathering insights about The Leffler Group

The Leffler Group Tech Stack

The Leffler Group uses 8 technology products and services including HydroCAD, Microsoft SharePoint, Emerson DeltaV, and more. Explore The Leffler Group's tech stack below.

  • HydroCAD
    Cad & Graphics
  • Microsoft SharePoint
    Content Management System
  • Emerson DeltaV
    Control Systems
  • Bluebeam Revu
    Document Management Systems
  • Wistia
    Online Video Platforms
  • Xactimate
    Operations
  • reCAPTCHA
    Security
  • ZURB Foundation
    UI Frameworks

Media & News

The Leffler Group's Email Address Formats

The Leffler Group uses at least 3 format(s):
The Leffler Group Email FormatsExamplePercentage
FLast@thelefflergroup.comJDoe@thelefflergroup.com
100%
First.Last@salasobrien.comJohn.Doe@salasobrien.com
96%
First@salasobrien.comJohn@salasobrien.com
2%
First.Middle@salasobrien.comJohn.Michael@salasobrien.com
2%

Frequently Asked Questions

Where is The Leffler Group's headquarters located?

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The Leffler Group's main headquarters is located at 165 South Union Boulevard Suite 360 Lakewood, Colorado 80228 United States. The company has employees across 2 continents, including North AmericaEurope.

What is The Leffler Group's phone number?

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

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The Leffler Group's official website is salasobrien.com and has social profiles on LinkedIn.

What is The Leffler Group's SIC code NAICS code?

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The Leffler Group's SIC code is 8711 - Engineering Services NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does The Leffler Group have currently?

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As of February 2026, The Leffler Group has approximately 4 employees across 2 continents, including North AmericaEurope. Key team members include Chief Executive Officer: P. O. B.Owner: J. O.Chairman: J. O.. Explore The Leffler Group's employee directory with LeadIQ.

What industry does The Leffler Group belong to?

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The Leffler Group operates in the Civil Engineering industry.

What technology does The Leffler Group use?

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The Leffler Group's tech stack includes HydroCADMicrosoft SharePointEmerson DeltaVBluebeam RevuWistiaXactimatereCAPTCHAZURB Foundation.

What is The Leffler Group's email format?

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The Leffler Group's email format typically follows the pattern of FLast@thelefflergroup.com. Find more The Leffler Group email formats with LeadIQ.

When was The Leffler Group founded?

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The Leffler Group was founded in 2001.

The Leffler Group

Civil EngineeringColorado, United States2-10 Employees

After 20 years in business, The Leffler Group has merged with Salas O'Brien and continues providing the design and construction industries a creative, cost-effective outlet for structural engineering services in the Rocky Mountain Region and western United States.  With our experience and energy for our work, we deliver unmatched service on projects of all sizes in a wide array of industries including:
 
•	Office/Retail
•	Parking
•	High-rise
•	Residential 
•	Hospitality
•	Golf / Resort
•	Education
•	Blast
•	Healthcare

We provide high caliber design and administration services required for the most demanding construction projects:

•  Personal Service:  We manage, design, coordinate, and administer each project with one Principal-in-Charge.  We are responsive and understand you need timely answers.

• Creative Solutions:  We provide creative structural solutions to accommodate and support your vision.  Based on feedback from clients, we have solved extremely challenging structural conditions, where other engineers have said “you can’t do that.”

• LEED Design:  We will provide LEED accredited design and follow the fundamentals behind Green Building.  We have designed LEED certified Platinum and Gold projects.

• Technology:  We stay up to date with the latest analysis, design and modeling advancements and produce projects using REVIT integrated with design platforms such as RAM Structure.

• Schedule:  We take on and successfully complete projects with challenging schedules.  We pride ourselves in our ability to be flexible and responsive to our clients’ needs.

Please visit our website to learn more about the full service offerings across Salas O'Brien.

Section iconCompany Overview

Headquarters
165 South Union Boulevard Suite 360 Lakewood, Colorado 80228 United States
Phone number
SIC Code
8711 - Engineering Services
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
2001
Employees
2-10

Section iconFunding & Financials

  • $1M$10M

    The Leffler Group's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    The Leffler Group's revenue is estimated to be in the range of $1M$10M

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