Spectra’s Electrical, Instrumentation & Controls Group combines technical expertise and up-to-date equipment to provide our customer with the latest electrical, instrumentation and controls technology.  We continuously meet the challenges present by the most demanding customer, as well as complex and automated equipment.


  • Calibrations
  • Control Systems
  • Fiber Optics
  • Loop-Check
  • Installation
  • Pneumatic
  • Power Distribution
  • Start-Up
  • Troubleshoot

Spectra is a California licensed general (A) and electrical (C10) contractor.  Spectra holds an NBIC “R” stamp and is qualified to perform repairs and alterations on ASME Code boilers and pressure vessels.

Spectra owns, maintains or rents most equipment needed to perform our services. All equipment is modern, high quality and regularly inspected to ensure proper performance and safety.  In addition Spectra is affiliated with the Bragg Companies and has access to large fleets of crane, rigging and heavy equipment transporation.

Spectra contracts under all contemporary contracting forms including, lump sum, time and material, unit price and cost plus fixed fee/award fees.

Spectra’s craft workforce is represented by building and trades unions and comprises the most highly skilled and trained journeymen and apprentices available.  In addition Spectra provides specialized training to ensure that all employees understand and embrace our corporate values and goals.

Services are available throughout Southern and Central California.