Tension Envelope Corp

Leading the Way

Tension Corporation is a leader in envelope, packaging and automation solutions, selling directly to businesses and organizations nationwide. Headquartered in Kansas City, Missouri, with sales and manufacturing facilities across the country and around the globe, Tension is a family-owned and -operated business that has been a market leader since it was founded in 1886. 

In 2011, Tension rebranded itself from Tension Envelope Corporation to Tension Corporation, reflecting its expanding presence in packaging and automation as well as its increasing footprint in international operations. Today, Tension’s three divisions are Envelope, Packaging & Automation, and International.

Tension's Innovative Approach

Tension has grown to become the second largest domestic envelope manufacturer. Known for its innovative envelope solutions, services and environmentally responsible options, it has been awarded more patents on products and processes than all of the other envelope manufacturers combined. Tension makes many of the envelopes you receive and handle daily, including direct mail envelopes, financial transaction envelopes, packaging envelopes and business communication products. Working with customers to deliver quality products, as well as to improve existing products and processes, is core to Tension’s culture.