Insights

Smart Building Focus Terralux, now Sielo, specializes in LED lighting and IoT building intelligence solutions (LEDSENSE) aimed at making buildings smarter, more energy efficient, and occupant-centric. This positions them well for sales opportunities in verticals pursuing sustainability and smarter facilities.

Expansion Readiness With a product footprint across multifamily, hospitality, education, office, municipal, and retail sectors, there are cross-sector upsell opportunities for integrated lighting and building automation solutions in existing customer bases and adjacent markets.

Mid‑Market Potential Current revenue range and employee count indicate a small to mid-sized company with room to scale. Targeted partnerships and channel strategies with installers, integrators, or OEMs could accelerate growth into larger project wins and expanded deployments.

Digital Engagement Active use of WordPress, HubSpot, Google Analytics, and other digital tools suggests a candidate for performance-driven sales approaches, including inbound content, targeted campaigns, and lifecycle marketing to generate qualified leads.

Strategic Partnerships Past presence at industry events like LightFair and a focus on software-enabled lighting solutions signal opportunities to pursue collaborations with systems integrators, architects, and developers seeking turnkey smart-building solutions.

Similar companies to Terralux

Terralux Tech Stack

Terralux uses 8 technology products and services including WordPress, MySQL, HubSpot, and more. Explore Terralux's tech stack below.

  • Content Management System
  • MySQL
    Database
  • Marketing Automation
  • PWA
    Miscellaneous
  • System Analytics & Monitoring
  • Google Analytics
    Web Analytics
  • Apache
    Web Servers
  • Facebook
    Widgets

Terralux's Email Address Formats

Terralux uses at least 6 email formats:
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

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 LinkedIn and Crunchbase.

How much revenue does Terralux generate?

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As of August 2026, Terralux's annual revenue is estimated to be $10M - $25M.

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 August 2026, Terralux has approximately 35 employees across 3 continents, including North America, Europe and South America. Key team members include Vice President Of Operations: M. C., Eastern Regional Sales Manager: B. K. and Oem Sales Manager: J. 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 WordPress, MySQL, HubSpot, PWA, Piwik, Google Analytics, Apache and Facebook.

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 August 2026, Terralux has raised $13M 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 logo

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

Phone number
Website
sielo.com
NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
2003
Employees
11-50

Section iconFunding & Financials

  • $13M

    Terralux has raised a total of $13M of funding over 2 rounds. Their latest funding round was raised on Mar 04, 2015 in the amount of $11M as a Private Equity.

  • $10M - $25M

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

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