Electro-Prep

Massachusetts harness house building custom wire and cable harnesses since 1977 for medical, military, industrial and commercial customers, with quick turnarounds from stocked components.

Tier $$$ITAR registeredWiring harness

What they do

Electro-Prep is a contract manufacturer in Wareham, Massachusetts, established in 1977. It builds custom wire harnesses, cable assemblies, box builds, and other custom electromechanical assemblies.

Its military wire harness work states full compliance with J-STD soldering standards, IPC-620 workmanship standards, 9001:2015 certification, and ITAR registration. Its medical cable work states ISO 9001:2015 certification with UL and CSA listed products.

The company serves Massachusetts, New England, and companies across the USA and Canada, manufacturing in the USA with stocked components for quick turnarounds.

Other processes stated on their site

box-build

Capabilities

  • Wiring harness

    Custom wire harness and cable assembly manufacturing, with turnkey and consignment work.

Commercial terms

Minimum order

Not stated

Lead time

Not stated

Quoting

By request

Cost tier $$$ of $$$$, ProductFlo classification

Massachusetts harness house for medical, military, industrial and commercial customers, with made in USA production and ISO 9001 certification.

Sources

  1. 1Homepageelectroprep.com
  2. 2Custom wire harness manufacturing and assemblyelectroprep.com
  3. 3Military wire harnesses and cable assemblieselectroprep.com

Not verified

  • MOQ
  • lead time

Last verified November 7, 2026. Listings are informational and are not endorsements. Cost tiers are ProductFlo's classification, not quotes: confirm pricing, lead time and capability with the vendor.