Frequently Asked Questions

Where are you located?

We are located in Buford Georgia, a little North of Atlanta. 

What is standard shipping time?

Most products ship the same day. Andon Stations, Wireless Lights and Custom Andon solutions can 2-4 weeks. Small orders ship in a day or so.  If you have a project where speed is critical, let us know and we will accommodate where possible. 

Do you have distributors?

We sell direct. If you are set up with a preferred distributor, we can work with them to help you make a purchase.

What are your business hours?

We are open from 9:00-5:00 Eastern. If you need help after hours, leave a message in the chat box or send an email to sales at We will answer promptly as soon as we return to work. 

Can you build a custom Andon Light?

We often build lights that are custom. Our website is designed to let you configure your light to fit your application. However, If you can’t find what you need, give us a call we are happy to help build something just for you. 

Do we accept orders with a PO?

Yes. We accept payment through purchase orders or by credit cards. Send purchase orders  to

Do you charge a credit card fee?

We do not charge a extra fee for payment through credit cards. American Express, Visa Discover, PayPal, and Amazon Pay are all accepted.

How is the best way to reach someone at Stack-Light?

We pride ourselves on excellent customer service. We will never turn over incoming calls to a robot or make you type in different numbers to reach a human.

To talk to a representative call (678) 288-9678. A live human eager to help will answer and assist with your needs.


Or use our Chat feature on the website.

How long have you been in business?

Stack-Light has been in business since 2017. We were born from our sister Andon Company CMH Industries Inc who was founded in 1998. We have stood the test of time by providing high quality products and excellent customer service.

Do you offer Technical Support?

Yes. We have technical support representatives standing by to help with you questions from pre purchase to installation.

 Can I get 3D Cad files?

Yes. We have Cad data for most of our products. Call 678-288-9678 or contact for assistance.

 Do your Stack-Lights have audible alarms (Buzzers)?

Most of the Andon or stack- Lights that we carry have built in buzzers. The standard volume is 85dB. Loaded buzzers can be special ordered.

Can you make a custom Andon system for my application? 

Yes. We often work with customers who have unique projects and we are here to help develop custom solutions to your lighting needs. 

I need a light that I do not see on your website. Can you hep me find the light or something similar? has relationships with many lighting manufactures throughout the world. We also build our own brand of lights at our facility. If you find that we do not carry what you need, give us a call. We will be glad to help find the a light that fits your application.

Can I visit your facility?

Yes. We are located North of Atlanta in Buford GA. If you would like to stop by and talk to a member of our sales staff, just let us know. We are always happy to meet our customers in person. 

Is there a minimum order?

No. You will get the same great service if you buy one light or one thousand. 

Do you offer volume discounts?

Yes. Based on the type of light that you are buying and the quantity of lights that you purchase we can set you up with a volume discount plan. 

Can you ship outside of the USA?

Yes. We have shipped lights all over the world.