Etrenzik
Norcross, GA — Serving the Southeast Since 2008

The LED Lighting Experts
Built for Your Bottom Line

Etrenzik is a wholesale LED lighting supplier and certified electrical contractor based in Norcross, GA. We help commercial, industrial, and municipal clients cut energy costs, earn utility rebates, and meet energy codes — all from one trusted partner.

50,000+
Fixtures Installed
500+
Products In Stock
$12M+
Client Savings Generated
15+
Years in Business

Our Mission

Energy waste is a real business problem. The average commercial building wastes 30% of the energy it consumes — and lighting accounts for up to 40% of electrical costs. We exist to fix that.

From our warehouse in Norcross, we stock hundreds of DLC-qualified LED fixtures ready to ship same-day. Our in-house energy consultants calculate your exact ROI, maximum utility rebates, and compliance with ASHRAE 90.1 before we sell you a single bulb.

DLC & ENERGY STAR certified products only
Utility rebate maximization on every project
Licensed electricians for turnkey installations
ASHRAE 90.1 and Title 24 compliance support
Net-zero and ESG reporting for sustainability goals
Energy Savings
Average 70% reduction in lighting energy costs
Certified Quality
All products are DLC-qualified with full specs
Local Experts
Georgia-based team with Southeast market expertise
Fast ROI
Most projects achieve payback in 18–30 months
Compliance
ASHRAE 90.1 and local energy code support
ESG Reporting
CO₂ reduction and sustainability metrics for reporting

Our Journey

2008
Founded in Norcross, GA as electrical contracting firm
2012
Expanded into LED lighting distribution and retrofit projects
2016
Became DLC Qualified Products dealer. First 1-million sq ft retrofit
2019
Launched smart controls and IoT building solutions practice
2021
Added EV charging station installation and service division
2023
Surpassed 50,000 LED fixtures installed across SE United States
2024
Launched AI-powered energy audit and ROI modeling platform

Our Team

The lighting and energy professionals behind every project

ET
Eric Trenzik
Founder & CEO
20+ years in electrical contracting and energy solutions. Licensed Master Electrician, GA License #EN213245.
SM
Sarah Mitchell
Energy Consultant
Certified Energy Auditor (CEA), specializing in ASHRAE 90.1 compliance and utility rebate maximization.
MJ
Marcus Johnson
LED Lighting Specialist
DesignLights Consortium (DLC) product expert. Manages our 500+ product catalog and technical specifications.
DR
Diana Reyes
Project Manager
10 years managing commercial and industrial LED retrofit projects across the Southeast.

Certifications & Partnerships

DL
DLC Qualified
DesignLights Consortium
EN
ENERGY STAR
EPA Certified Products
UL
UL Listed
Underwriters Laboratories
GA
GA Licensed
Electrical Contractor
NA
NABCEP
Solar + Storage
IS
ISO 9001
Quality Management