In 1976 Mark and Tim O’Brien founded Mark III Construction as an electrical contracting company, as the brothers were electricians by trade. But their vision didn’t stop there.

They sought ways to eliminate duplication of costs and work efforts on construction sites. And they wanted to prevent the “silo” way of doing business in which each individual trade is performed by a different company. To more fully serve their customers, the O’Briens created a business strategy where the different trades work together as one team to share resources, cut redundancies, diminish conflicts, and implement faster completion schedules.

This vision formed the foundation for the company’s key objective:

The Power of One.

Since those beginning years in Sacramento, Mark III has become a full service commercial and industrial construction company serving the food and beverage, light and heavy industrial, health care, education, and water and wastewater industries throughout Northern and Central California. Today, Mark III staff members self-perform mechanical, electrical, underground, and service/maintenance clients in varying sectors.