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Rosendin Rosendin


Shining a Light Since 1919

The Rosendin Electric business began as a small family-owned shop on Race Street in San Jose, CA in 1919. Since then, we have experienced and grown through multiple economic peaks and valleys. Today, we proudly stand as a nationwide, employee-owned business with an average of $2.9B in annual revenues.

The Rosendin Century

Rosendin celebrates our 100-year anniversary through shared success, a people-focused culture, and enduring growth.

100 Years Strong

In 1919 Woodrow Wilson was President of the United States, the average house sold for under $4,000 and Moses Rosendin began Rosendin Electric Motor Works. The company serviced the Santa Clara/San Jose agricultural community by wiring homes and shops, rewinding motors for wells and pumps and extending pole line facilities for utility companies. The company expanded its business to Central California through the ’20’s, the Depression and World War II.

The end of World War II brought rapid commercial and industrial growth to the Santa Clara Valley and enormously expanded work for Rosendin. The company grew from eight employees in the late 30’s to ninety employees in the 1950’s. It was at this time, in 1953, that Rosendin Electric was incorporated as an Electrical Contractor in the State of California.

Explore Our Journey

MPS Announces New Lewisville Facility


Modular Power Solutions (MPS) opens a new 190,000 SF facility in Lewisville, Texas.

First Female Senior Vice President Named


First female Senior Vice President is named, Angie Hart.

Secretary of Energy and Nevada Congresswoman Tour Townsite Solar Facility


Rosendin hosts first cabinet-level jobsite visit from Secretary of Energy Jennifer Granholm, along with Nevada Congresswoman Susie Lee (NV-03) to Arevon's Townsite Solar Facility in Boulder City, Nevada.

Hank Brasch Named Chief Administrative Officer


Hank Brasch joins Rosendin as Chief Administrative Officer.

The Rosendin Foundation is established


In June 2020, Rosendin Holdings, Inc., the parent company of Rosendin and Modular Power Solutions (MPS), announced it had established The Rosendin Foundation, a 501(c)(3) non-profit incorporated to positively impact communities through financial grants and volunteer hours.
The Rosendin Foundation was established to positively impact communities, build and empower people, and inspire innovation. The Foundation partners with community-focused, non-profit organizations in 17-regions across the U.S. to support health including emotional, nutritional, and occupational programs. “Since 1919, we’ve been dedicated to leading, inspiring, and building communities across the nation. We are thrilled to launch The Rosendin Foundation to provide essential support for non-profit organizations and the people they serve at this critical time in our country’s history,” said Mike Greenawalt, Rosendin CEO. The charitable arm of Rosendin Holdings launched its efforts by donating $42,500 to 17-food banks in communities where Rosendin and MPS employees work and live.

New Executive Team Named


Rosendin announces the retirement of Tom Sorley, Larry Beltramo, and Jim Hawk and the appointment of new executive leadership. Mike Greenawalt is named CEO and Paolo Degrassi is named President with Matt Englert as Chief Operating Officer West, Keith Douglas as Chief Operating Officer East, and Justin Tinoco as Executive Vice President.

Bridges to Prosperity


Rosendin sends a team in partnership with Webcor Builders and Bridges to Prosperity to build a permanent footbridge in Rukurazo, Rwanda.

Rosendin Celebrates 100th Anniversary


Rosendin celebrates 100 years in business in 2019.

Rosendin Wins AGC National Safety Award


Rosendin wins 2018 Grand Award for Construction Safety Excellence during the 19th annual Construction Safety Excellence Awards.

First Female Vice President Named


Female Vice President

First female Vice President is named, Lisa Vere.

Mid-Atlantic Expansion


Mid-Atlantic Expansion

Rosendin opens an office in Maryland, stretching our Mid-Atlantic reach to include Maryland, Delaware, and Pennsylvania.
Later in the year, the North Carolina office opens to support the growing amount of work in the Carolinas.

Hawaii Office


Hawaii Office Team

Though Rosendin has had a presence in Hawaii since the 1970s with the construction of Pearl Ridge Shopping Mall, Rosendin officially opens a Hawaii office location on O'ahu.

Haitian Earthquake Relief


Haitian Earthquake Relief

Rosendin rallies to help rebuild Haitian Sacred Heart Hospital following the 2010 earthquake in Haiti.

Virginia Office


Virginia Office

A new data center project allows East Coast expansion. Rosendin opens an office in Virginia.

Texas Office


Texas Office

Rosendin completes acquisition of KST Electric, Ltd., a Texas-based electrical contractor. KST will later assume a new name as Rosendin Electric, effective 2014.

Larry Beltramo Named President


Larry Beltramo

Larry Beltramo named President and Chief Operating Officer of Rosendin. Tom Sorley remains Chairman and Chief Executive Officer of the company.

Las Vegas Office


Las Vegas Office

Rosendin opens an office Las Vegas, NV. Four years later, in 2011, growth in the region requires expansion of regional office.

Sacramento Office


Sacramento Office

First Sacramento Valley project for Rosendin Electric broke ground in 1977. Continued success in the area prompts opening of Sacramento office in California.

Employee Ownership


employee owners group photo

Employees complete the buyout of Rosendin making Rosendin fully employee-owned.

Oregon Office


Oregon Office

Rosendin opens the first office in the Pacific Northwest.

Jim Hawk Named Executive VP


Jim Hawk

Jim Hawk, P.E. appointed Executive Vice President of Rosendin Electric. Jim joined the Company in 1985 having served in the industry since 1977. Jim serves as the Executive overseeing the Company's Preconstruction Services.

Arizona Office


Arizona Office

The opening of Rosendin's office in Tempe allows for expansion into the Southwest.

Tom Sorley Named President


Tom Sorley

Tom Sorley is named President, succeeding Ray Rosendin.

Loma Prieta Earthquake


Loma Prieta Earthquake

Rosendin Electric crews work to repair the San Francisco-Oakland Bay Bridge after the 6.9 magnitude Loma Prieta earthquake in the San Francisco Bay Area.

San Francisco Office


San Francisco Office truck

Rosendin opens an office in San Francisco in response to rapid Bay Area growth.

Rosendin Electric Celebrates 50 Years


celebrating 50 years

Rosendin commemorates the 50th anniversary of its founding.

Sunol Street Office

1958 - 1964

Sunol Street Office

Rosendin moves to a new location on Sunol Street in San Jose, CA.

First multi-M Project


First multi-M Project cubicles

Rosendin is awarded its first multi-million dollar project: Lockheed Martin.

First $1 Million Project


Our First $1 million project

Rosendin wins its first $1 million project: Fresno State College.

Raymond & Louis Rosendin


Raymond & Louis Rosendin

Raymond and Louis Rosendin assume leadership of the company and Rosendin Electric is incorporated by the State of California. Bertha Rosendin becomes Chairwomen of the Board.

Ray Rosendin Quote


Ray Rosendin

"My father was extremely proud when his two young sons entered the business in 1950. The firm committed itself to hard work, building on its experience and sharpening its business acumen. Days had no hours as we spent whatever time was required to finish tasks…

There is no secret to success in our business. Many years ago, my father would tell me that to be successful one must have all resources – men, materials, and finances – in place before undertaking a project. We continue to adhere to this philosophy, which my father called a “law of nature.”

- Ray Rosendin

Growth during WWII

1940 - 1945

WWII war ship

During World War II, Moses Rosendin expanded his business to accept contracts from the shipyards that sprang to life around the San Francisco Bay. The end of WWII brought rapid commercial and industrial growth to the Santa Clara Valley and enormously expanded work for Rosendin.

The company grew from eight employees in the late 30’s to ninety employees in the late 50’s.

Great Depression


great depression era photo

Rosendin Electric Motor Works overcomes the Great Depression. Now with eight employees, the Park Avenue office in San Jose, CA is opened.

Rosendin Electric Motor Works


drawing of a barn

In 1919 Woodrow Wilson was President of the United States, the average house sold for under $4,000, and Moses Rosendin began Rosendin Electric Motor Works by wiring the first irrigation pumps in the vast, fruit-laden, “Valley of Heart’s Delight” (now known as Silicon Valley).

Rosendin Electric Motor Works
78 Race Street, San Jose, CA

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