Get in Touch with PLENCO

Whether You Need Support, Technical Guidance, or Partnerships – We’re Here to Help
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Your Materials Partner

Contact PLENCO for technical expertise, material solutions, and reliable manufacturing support.

Contact Information

Plastics Engineering Company
3518 Lakeshore Road, P.O. Box 758
Sheboygan, WI 53082-0758
U.S.A

Phone: (920) 458-2121
Email Inquiries: salesinfo@plenco.com

For Ordering:

Phone: (920) 451-3885
Email: orders@plenco.com

Visit PLENCO or Find Regional Support

Plant Visitors and Carriers picking up or dropping off loads must sign in with the Security Officer at the Truck/Visitor Entrance located at 1720 North Avenue.

Phone Directions: call (920) 458-2121 ext. 3132

Main Office:

3518 Lakeshore Road
Sheboygan, WI 53083

From Milwaukee or Green Bay (I-43):

  • I-43 to exit 128, turn east on Hwy 42 and travel 1.9 miles
  • Left on North Avenue at lights
  • Left on North 15th Street at lights
  • Left into parking lot prior to stop sign
  • Park and enter from the east parking lot
  • Job applicants please park and enter from the north parking lot

North Avenue Plant:

1720 North Avenue
Sheboygan, WI 53083

Warehouse Hours:

Mon-Fri 7:30AM to 4:00PM

Plant Visitors and Carriers

Picking up or dropping off loads must sign in with the Security Officer at the Truck/Visitor Entrance located at 1720 North Avenue

  • I-43 to exit 128, turn east on Hwy 42 and travel 1.9 miles
  • Left on North Avenue at lights
  • Left on North 15th Street at lights
  • Left into parking lot prior to stop sign
  • Park and enter from the east parking lot
  • Job applicants please park and enter from the north parking lot

Let’s Clear Things Up

Quick, reliable information to help you move forward with confidence.

Where is PLENCO located and how can I reach you?

PLENCO is headquartered in Sheboygan, Wisconsin, USA. You can contact our team through the website form, by phone, or by reaching out directly to our sales and technical support teams.

Does PLENCO offer custom or bulk manufacturing options?

PLENCO specializes in both custom-formulated materials and high-volume production. We work closely with customers to develop and scale solutions that meet specific application and processing requirements.

Can PLENCO assist with technical questions or material selection?

Our engineering and technical teams provide hands-on support to help you select, optimize, and implement the right material for your application.

How do I request a quote or place an order?

You can request a quote or place an order by contacting our sales team directly or submitting an inquiry through our website. We’ll follow up promptly to support your requirements.

What materials does PLENCO specialize in?

PLENCO manufactures high-performance thermoset resins and compounds, including phenolics, polyesters, melamines, and bulk molding compounds (BMC). Our materials are engineered for electrical, heat-resistant, structural, and chemical-resistant applications.