Insights

Sustainable Innovation Terralux's focus on smart, energy-efficient LED lighting and building intelligence solutions positions it as an ideal partner for clients seeking sustainable infrastructure upgrades and environmentally conscious building projects.

Market Diversification With applications across multifamily, hospitality, education, office, municipal, and retail sectors, Sielo offers significant cross-industry sales opportunities by tailoring its IoT-enabled lighting systems to various building types.

Growing Financial Footprint With revenues between $10 million and $25 million and recent funding of $11 million, there is potential to expand outreach and scale sales efforts in both existing and new markets, leveraging additional capital and growth momentum.

Technological Edge Sielo’s advanced IoT solutions like LEDSENSE® that extend beyond basic lighting controls can be promoted to facilities seeking to modernize with smart building automation, offering potential for upselling integrated building management systems.

Competitive Positioning Compared to larger competitors, Terralux’s agile size allows for personalized customer engagement and rapid deployment, creating opportunities to target niche markets and build strategic partnerships for greater market penetration.

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
87%
Last@terralux.comDoe@terralux.com
6%
First@terralux.comJohn@terralux.com
4%
F.Last@terralux.comJ.Doe@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 Longmont, Colorado 80501 United States. 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 May 2026, Terralux has approximately 35 employees across 3 continents, including North AmericaEuropeSouth America. Key team members include Vice President Of Operations: M. C.Director Of Operations: D. D.Commodity Manager: R. R.. 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 May 2026, 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 States11-50 Employees

Based in Longmont, Colorado, the company operates under the name Sielo, formerly Terralux. It designs and manufactures LED lighting systems and building-intelligence solutions intended to improve energy efficiency and overall building performance. The core offering includes LEDSENSE, an IoT-based building solution that extends beyond basic lighting controls to address broader efficiency and sustainability needs for occupants.

Sielo serves a range of markets, including multifamily housing, hospitality, education, office environments, municipal facilities, and retail, as well as OEM fixtures and both architectural landscape lighting and accent lighting for retail. The company was founded in Boulder, Colorado, and has operated since 2003, positioning it as a long-standing player in LED lighting and building intelligence. It is a small- to mid-sized business.

Section iconCompany Overview

Headquarters
1830 Lefthand Circle Suite b Longmont, Colorado 80501 United States
Phone number
Website
sielo.com
NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
2003
Employees
11-50

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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