Reliance Controls Online Catalog of Products Coming Soon!

Holt Supply proudly offers Reliance Controls brand products in our store.

At the present time, these products are not included on our web site for online shopping.

Contact a Holt Supply sales associate at or visit one of our locations for additional information on our in store selection of Reliance Controls products.

Reliance Controls specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters.