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Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.

Explore Company

Premium underground electrical systems that keep communities running. Specialties: public utilities, telecom, joint trenching, security and more.

Explore Company

Excellence in underground engineering since 1970. Specialties: storm drains, water, sewer, fire protection, natural gas, excavations and more.

Explore Company

Quality. Integrity. Service.

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.

About Preston

Contact Us

Preston Companies

133 Bothelo Avenue
Milpitas, CA 95035

(phone) 408-262-1418
(fax) 408-262-1870

Preston Companies (Central Valley)

3780 Commerce Drive
West Sacramento, CA 95691

(phone) (916) 386-1500
(fax) (916) 386-7531

DirtMarket

1746 The Alameda
San Jose, CA 95126

(phone) 408-262-1418
(fax) 408-262-1870

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Emergency Repairs

Dean Pires, Dispatcher
Mobile: (408) 640-8806
Home: (408) 238-5147

David Ristedt, Assistant Safety Director
Office: (408) 262-1418
Mobile: (408) 591-8780

Business Hours
Call the emergency operations center at:
(408) 262-1418 during business hours and identify the call as an emergency call.

How We Help You

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!

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