Our Facility

LEED compliant.   Located on the Washington side of the beautiful Columbia River Gorge.

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Our 45,000 square foot building is located on the Washington side of the beautiful Columbia River Gorge.

The facility is LEED compliant, boasting 10,000 square feet of office space and 35,000 square feet of manufacturing space. Facility size combined with our flexible work force means we have the capacity to do your project. 


410 S. Larch St., Bingen, WA 98605
Phone: 509-493-8756 
Fax 509-493-8754

Map & Directions

  • Hwy 14 changes to W. Steuben in the town of Bingen.
  • At the east end of the Pacific Pride gas station, turn south on Maple (toward the river).
  • Follow Maple across the RR tracks for .2 miles.
  • Turn east (left) onto E. Marina Way.
  • Follow E. Marina Way for .4 miles.
  • Turn south (right) onto S. Larch St.
  • Follow S. Larch St. for .1 mile
  • Turn east (left) into the Custom Interface Inc. parking area.
  • Visitor parking is located near the entrance to our building.

Custom Interface Advantages

  • Manufacturing excellence since 1997.
  • Dedicated Customer Support with an assigned expert to manage your custom electrical wire/cable project to ensure continuity.
  • Prototyping and Custom Turnkey Manufacturing of custom harness assemblies from limited information, suck as a sketch and parts list.
  • Our “long game” approach ensures successful business relationships.
  • We produce custom wire/cable products that don’t fail in harsh environments or where lives are a stake.
  • Our commitment to quality, OTD and competitive pricing delivers the highest value you can buy in contract manufacturing.
  • Validate the design of your wire/cable harnesses and assemblies with our rapid prototype services.
  • Our quoting team provides suggestions to reduce cost, lead time and improve durability when searching for a world class electrical wire/cable harness and assemblies.