Insights

Innovation in Sustainability Terralux, operating under its brand Sielo, emphasizes its commitment to advancing sustainable building solutions through IoT-enabled LED lighting and building intelligence systems, making it an attractive partner for clients seeking eco-friendly and energy-efficient upgrades.

Growing Market Presence With revenue estimates between 10 and 25 million dollars and a solid funding of 11 million dollars, the company is positioned as a rising player in the commercial lighting and building automation industry, presenting opportunities for targeted expansion efforts.

Diverse Application Reach Sielo’s technology solutions are implemented across various sectors including multifamily, hospitality, education, and municipal buildings, offering multiple avenues to introduce integrated lighting and smart building solutions to different client segments.

Technology Stack Leverage The company’s utilization of modern digital tools such as Google Analytics, HubSpot, and SEO platforms indicates a strong focus on digital marketing and customer engagement, providing tailored outreach strategies for different market segments.

Market Opportunity in Mid-Sized Firms With competitors like MaxLite and RAB Lighting having larger teams and similar revenue ranges, there is a significant opportunity to establish Sielo as a specialized, innovative provider for mid-sized projects and municipalities seeking modernization and smart building solutions.

Terralux Tech Stack

Terralux uses 8 technology products and services including Open Graph, jQuery, HubSpot, and more. Explore Terralux's tech stack below.

  • Open Graph
    Content Management System
  • jQuery
    Javascript Libraries
  • HubSpot
    Marketing Automation
  • Yoast SEO
    Search Engines
  • Bootstrap
    UI Frameworks
  • Google Analytics
    Web Analytics
  • Apache
    Web Servers
  • Facebook
    Widgets

Media & News

Terralux's Email Address Formats

Terralux uses at least 2 format(s):
Terralux Email FormatsExamplePercentage
FLast@terralux.comJDoe@terralux.com
84%
Last@terralux.comDoe@terralux.com
6%
First@terralux.comJohn@terralux.com
4%
F.Last@terralux.comJ.Doe@terralux.com
3%
LFirst@terralux.comDJohn@terralux.com
3%
FLast@sielo.comJDoe@sielo.com
60%
Last@sielo.comDoe@sielo.com
40%

Frequently Asked Questions

Where is Terralux's headquarters located?

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Terralux's main headquarters is located at 1830 Lefthand Circle, Suite b. The company has employees across 3 continents, including North AmericaEuropeSouth America.

What is Terralux's phone number?

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

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Terralux's official website is sielo.com and has social profiles on LinkedInCrunchbase.

What is Terralux's NAICS code?

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Terralux's NAICS code is 335 - Electrical Equipment, Appliance, and Component Manufacturing.

How many employees does Terralux have currently?

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As of December 2025, Terralux has approximately 51 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Chief Executive Officer: M. B.Vice President Of Operations: M. C.Director Of Engineering: C. W.. Explore Terralux's employee directory with LeadIQ.

What industry does Terralux belong to?

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Terralux operates in the Appliances, Electrical, and Electronics Manufacturing industry.

What technology does Terralux use?

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Terralux's tech stack includes Open GraphjQueryHubSpotYoast SEOBootstrapGoogle AnalyticsApacheFacebook.

What is Terralux's email format?

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Terralux's email format typically follows the pattern of FLast@terralux.com. Find more Terralux email formats with LeadIQ.

How much funding has Terralux raised to date?

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As of December 2025, Terralux has raised $11M in funding. The last funding round occurred on Mar 04, 2015 for $11M.

When was Terralux founded?

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Terralux was founded in 2003.

Terralux

Appliances, Electrical, and Electronics ManufacturingColorado, United States51-200 Employees

At Sielo, formerly Terralux, we have the vision to see beyond current conditions and constraints and continuously advance toward real innovation. We leverage existing systems to modernize and enable buildings to become smarter, more efficient and more effective. We pride ourselves in passing new thresholds of excellence, delivering value and shaping enhanced environments benefiting millions. 

Founded in Boulder, Colorado, Sielo has been designing and manufacturing LED lighting and building intelligence solutions since 2003. Sielo’s IoT building solution, LEDSENSE®, extends beyond basic lighting controls, providing new thresholds of efficiency and sustainability, all with building occupants in mind. 

Sielo technology can be found in: multifamily, hospitality, education, office, municipal, and retail buildings as well as OEM fixtures, in architectural landscape lighting applications and accent lighting for retail.

Section iconCompany Overview

Headquarters
1830 Lefthand Circle, Suite b
Phone number
Website
sielo.com
NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
2003
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $11M

    Terralux has raised a total of $11M of funding over 2 rounds. Their latest funding round was raised on Mar 04, 2015 in the amount of $11M.

  • $10M$25M

    Terralux's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $11M

    Terralux has raised a total of $11M of funding over 2 rounds. Their latest funding round was raised on Mar 04, 2015 in the amount of $11M.

  • $10M$25M

    Terralux's revenue is estimated to be in the range of $10M$25M

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