Quality. Integrity. Service.
Quality. Integrity. Service.
Three Businesses. One Promise. The Preston Companies bring extensive expertise and hands-on partnership to complex projects. Our services include excavating and installing underground wet and dry utilities, soils testing and management, and fill site management.
Our Companies
PrestonPipelines
Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.
PrestonElectric
Premium underground electrical systems that keep communities running. Specialties: public utilities, telecom, joint trenching, security and more.
DirtMarket
Leader in soils management and movement. Specialties: reviewing, sampling, testing, consultation and coordination of import/export, disposal and more.
Our Companies
PrestonPipelines
Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.
PrestonElectric
Premium underground electrical systems that keep communities running. Specialties: public utilities, telecom, joint trenching, security and more.
DirtMarket
Leader in soils management and movement. Specialties: reviewing, sampling, testing, consultation and coordination of import/export, disposal and more.
Our Clients
PEOPLE
We proudly invest in the growth of development on our staff. People is a Preston core value, and we are excited to show our commitment to that through the promotions and certifications of several of our team members. Please join us in congratulating them on their accomplishments!
AWARDS
Preston Companies Recognized as a Bay Area Best Place to Work for the Sixth Consecutive Year
Preston Companies is proud to announce that we have once again been recognized as a Bay Area Best Place to Work, ranking #4 in the 200-499 employees company category, and marking our sixth consecutive year earning this distinction.
COMMUNITY
Community Helpers Day at Sartorette Elementary School
Preston Pipelines visited Sartorette Elementary School to show off our crew truck to students as part of their Community Helpers Day.
NEWS
Preston Companies Expands into Reno, Nevada
Preston Companies has expanded into Reno, Nevada, strengthening its presence across the Western United States and supporting continued infrastructure growth in the region.
NEWS
Preston Companies Introduces New Core Value: Ownership
Preston Companies is proud to introduce Ownership as a new core value, reinforcing the company’s commitment to accountability, teamwork, and pride in delivering quality work.
How Can We Help?
We take the time to learn about your specific needs and pain points to develop solutions that will have the greatest impact. Select a role below and see how Preston can support your needs!
Industry Expertise
We go above-ground, below-ground and beyond to meet our customers’ needs. We’ve earned a reputation for excellence and service in the following industry sectors:
Working Here
Working Together, Building Better. Collaboration, communication, and transparency define every Preston team.