About Us

Gross Automation, A Hammond Manufacturing Distributor


Hammond Manufacturing was founded in 1916 in a backyard workshop in Ontario, Canada. Hammond takes pride in providing racks, cabinets, enclosures, power bars, and low-voltage transformers for both the electrical and electronic industries. Hammond Manufacturing is a global enterprise that helps companies pursue their business goals. Their team is 700-strong and ensure high-quality products and first-class service.


Since 1990, Gross Automation, LLC has grown to become the premier value-added distributor of best-in-class industrial automation and electrical control components, panels, and systems. As a result, more than 200,000 customers around the world have come to trust our company to provide the parts and components they need to produce their products and run their facilities. In addition, we provide a full offering of 75 different product lines that include motors, drives, fuses, enclosures, switches, relays, controls, sensors, safety signals, terminal blocks, timers, power distribution, connectors, modems, wiring devices, and duct solutions. We also offer engineering services including the design and assembly of electrical control panels in our UL listed panel shop.

Founded by Bob Gross, the team and company have grown through a focus on technical knowledge, engineering experience, and a commitment to personal service. From our facility near Milwaukee, Wisconsin we have become a trusted partner for customers across the nation and around the world. We are the connection between our vendor’s products and the products used to improve the quality of life for millions of people every single day.

Gross Automation helps OEMs, systems integrators, and all types of manufacturers increase their productivity, lower costs and grow profits through proven applications of industrial automation and electrical control technologies.

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