Whether the project is residential or commercial construction, maintenance or emergency services, customers always rely on Herman Weissker.

Weissker was founded in 1959 as a company specializing in civil construction. Our civil construction team has 50+ years in the industry, state of the art equipment, and highly experienced leadership that can handle any job regardless of size.

Our Underground Construction Services Include:

  • Vault and Manhole Installation/Repairs
  • Install/Replace Handholes and Pull Boxes
  • Install Conduit for Underground Electrical Systems from 4kV – 230kV
  • Conductor in Conduit (CIC) Replacement
  • Conduit Rodding and Cleaning
  • Innerduct Placing
  • Concrete Sawing
  • Asphalt Grinding and Paving


From crossing lakebeds to plowing extreme mountain slopes – Herman Weissker offers direct buried services for fiber optic, wire cable and conduit systems.

Our fleet of construction equipment includes computerized trenchers and excavators that can dig trenches in any given condition and trench through solid rock using our large rockwheels. Reliable, quality and cost effective delivery is what you get from our electrical and communication construction crews.

Our Unsurpassed Experience Includes:

  • Overhead and Underground Conversions
  • Installation of New Utility Systems
  • Planning and Construction Services to Expand Existing Systems
  • Emergency Response Service to Repair Systems and Structures 24/7
  • Problem Solving Skills that Recognize Obstacles Early and Offer Solutions Quickly

We Also Offer Fiber Placement, Testing and Splicing Services by Means of:

  • Aerial Installation
  • Air Assisted Blowing Machines
  • Hydraulic Capstan Pulling Wheels

Some Special Added Value Services Include:

  • Soft-Dig Utility Locating
  • Fiber Optic Placing and Splicing
  • Cable Removal Utilizing AMCV Cable Choppers
  • Conduit Rodding and Cleaning,
  • Cable Plowing
  • Buried Cable Removal
  • Manhole Rebuilds and Replacements

Herman Weissker, Inc. is a Certified Minority Business – Certificates on file: SCMBDC #1412 CPUC-Supplier Clearinghouse #4KS00002