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ZSi-Foster Is Your Connection to Quality Electrical Contracting Products

We’re a leader in providing electrical contractors durable products such as clamps, strut, and spring steel fasteners—with quick deliveries and personal service.

As an electrical contractor, when a job needs to get done you need electrical positioning and support products you can trust.

And, you need a supplier you can count on to get the product to your jobsite on time. In the construction industry, delays are costly.

Whether you’re an electrical contractor or a distributor, ZSi-Foster can offer you high quality, extremely durable products you can count on to withstand variables such as shock, vibration, and corrosion.

Looking for a specialty finish? We have a diverse product line that includes a wide array of materials and finishes such as a pre-galvanized standard finish or stainless steel.

As an added bonus, we can customize products to meet your needs. Our engineers are always ready and willing to talk with you about your unique needs.

You can count on our team to help you keep your electrical installations running smoothly

ZSi-Foster offers:

  • Cushioned clamps designed to prevent corrosion and vibration. 
  • The Porce-A-Clamp™, our replacement for traditional maple or porcelain utility cable clamps, is lightweight and durable. You won’t have to order extra product to allow for breakage!
  • Loop clamps provide corrosion-resistance, noise insulation, vibration absorption, and quick-locking systems which are fast and easy to install.
  • Cable clamps which are a great choice for securing wires and cables.

Plus, ZSi-Foster carries an extensive inventory of made-in-America Spring Steel electrical supports. Because we inventory in multiple locations, we can get these to you quickly.

In addition, if you need a product designed to meet your unique specifications, we can work with you to develop one.

Need extra help resolving a problem?

A real person with real knowledge and the answers you need will answer the phone when you call. Our team takes a hands-on approach to resolving the most demanding challenges. You get service and support you just can’t get from corporate conglomerates.

What ZSi-Foster Electrical Contractors Are Saying…

“The custom pre-cut strut saves me a lot of time and labor.”
“The Porce-A-Clamp has been a great addition to our wire and cable lines and is attracting new customers to my store.”
“You can do things that are not standard…others won’t do that and it’s important to me.”


Pre-Cut Strut

Did You Know?

ZSi-Foster can provide pre-cut strut and ship it to you on a pallet. When you’re on the jobsite you no longer have to worry about having someone cut it, or haul away scrap. Instead, you can have pre-cut strut to save you time and money and provide you with another layer of safety.


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