stars 1 stars 2 stars 3

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.

Website http://www.sielo.com
Revenue $6.9 million
Funding $53.6 million
Employees 36 (7 on RocketReach)
Founded 2003
Address 1830 Lefthand Circle Suite B, Longmont, Colorado 80501, US
Fax (866) 919-2515
Industry Electronics, Manufacturing, Appliances, Electrical, and Electronics Manufacturing, Semiconductor & Semiconductor Equipment, Electrical Equipment, LED Engines for OEM, Consumer Electronics, Electronic Equipment and Instruments, LED Retrofit Solutions, Hardware, Advanced Lighting Controls, Cloud-based Building Integration, Semiconductor, Science and Engineering, Sensor
Web Rank 5 Million
Keywords Smart Buildings, Energy Efficiency, Building Automation, Energy Management, Building Management Systems, Iot For Buildings, Smart Building Technology, Building Efficiency, Building Automation Systems, Building Controls, Data Analytics For Buildings, Building Technology, Building Intelligence, Building Analytics, Building Systems Integration, Smart Home Technology, Smart City Solutions, Facilities Management
Competitors Ge Consumer & Industrial Lighting, Honeywell, Philips, Eaton, Signify, OSRAM, Lutron Electronics, Acuity Brands, Cree, Lumens.com +37 more (view full list)
SIC SIC Code 36 Companies, SIC Code 3674 Companies, SIC Code 367 Companies
NAICS NAICS Code 33 Companies, NAICS Code 3344 Companies, NAICS Code 334 Companies, NAICS Code 33441 Companies

Terralux Questions

The Terralux annual revenue was $6.9 million in 2026.

Chris White is the Director of Engineering of Terralux.

7 people are employed at Terralux.

Terralux is based in Longmont, Colorado.

The NAICS codes for Terralux are [33, 3344, 334, 33441].

The SIC codes for Terralux are [36, 3674, 367].

Top Terralux Employees

View Similar People
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users