Semling-Menke Co. Inc.


Headquarters: Merrill, WI

Employees: 315

Product Lines: Wood and clad-wood windows and patio doors. Multi-slide, lift-and-slide, and bi-fold patio doors.

Web Site:

2012 Top 100 Sales Range Category: $30 Million to $40 Million

General Information: In business since 1941, the third-generation family business manufactures windows and doors that are marketed under the Semco brand name. Combined operations in Merrill, Wis., and Salt Lake City, Utah, encompass more than 600,000 square feet. Early in 2011, the company consolidated an off-site eco-friendly powder coat paint operation for its extruded clad components into its primary operation in Merrill. Semco sells through a nationwide network of one-step distributors and dealers, targeting the custom residential, replacement and light commercial markets.

Back to Alphabetical Top 100 Listings

Back to Top 100 Rankings by Sales Range Category