What products does the company offer?

The company offers a wide range of products related to cathodic protection, including reference electrodes, anodes, and rectifiers. They provide both permanent and portable options for copper-copper sulfate, zinc-zinc sulfate, and silver-silver chloride reference electrodes, as well as AC mitigation coupons and various types of anodes.

Does the company offer any safety equipment?

Yes, the company offers a range of safety equipment, including gloves, safety glasses, and safety vests.

What types of rectifiers does the company sell?

The company sells a variety of rectifiers, including Cathtect U.S.A. rectifiers, Onan oil-cooled rectifiers, switchmode Ceranode solar rectifiers, and portable and universal rectifiers.

Does the company offer any accessories or tools?

Yes, the company sells a range of accessories and tools, including pin brazing tools, thermoweld molds and bonds, and Makita power tools.

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GMC Electrical

$3.6M revenue • 12 employees • 280 N Smith Ave, Corona, CA, 92878, United States

Last Updated Dec 15, 2025

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Company Overview

Company Name

GMC Electrical

Address

280 N Smith Ave, Corona, CA, 92878, United States

Website

gmcelectrical.net

Phone

(909) 947-6016

Approx. Annual Revenue

$3.6M

Employees

Established

2008

Google Reviews

5.0 (4 reviews)

About GMC Electrical

Cathodic Protection Services, located in Corona, CA, United States, provides a wide range of cathodic protection materials, including reference electrodes, anodes, and rectifiers. The company offers various products and services related to corrosion protection, catering to the needs of industries and infrastructure projects.

Business Profile

Read from the GMC Electrical website on Oct 24, 2026. Hover an item to see the exact wording it came from.

Brands carried or installed

STAPERM

About the website

Website quality (AI-assessed): 8/10 · Current product catalog and technical resources; Clear navigation and contact options
Website by: GMC Electrical

Recent changes

What changed on the GMC Electrical website and Google listing, as detected by Coldlytics on each visit.

Oct 24, 2026
Estimated revenue band moved from $1M-2.5M to $2.5M-5M
Oct 24, 2026
Estimated headcount moved from 6-10 to 11-20 employees
Oct 12, 2026
Moved announced
our california location has moved to 280 n. smith ave

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Manufacturing Companies near Corona, CA

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Frequently Asked Questions about GMC Electrical

Technologies Used

Key Decision Makers

Gary Matlack Owner