The industry leader in colorants for landscaping mulch.

We produce vibrant, highly concentrated colorants for your recycled wood, concrete, aggregate and rubber.  Our color technology leadership, outstanding customer support and continuous innovations, position T.H. Glennon as a market leader.  A large inventory of colors is maintained to quickly meet your coloring demands. 

We place equal emphasis on supporting our customers with the best service and technical know-how in the industry.  Our customers’ challenges are our challenges.  Whether you are selecting a new colorant, equipment, or designing a new process – our dedicated team will work with you to ensure your satisfaction.

Innovation plays a significant role in our culture.  With the Mulch Color Jet, we created the economical add-on coloring system application.  Announced in 2000, this compact coloring system continues be the #1 coloring system in it class.  Our proprietary mold and fungus resistant additive is a proven additive, to extend the shelf life of our customers’ colored mulch. 

As a family owned business, we know how important it is to choose the right companies to partner with.  Whether you’re just getting started in the mulch industry or looking to grow your business, we understand how to increase your efficiency and profits.