Preaus Landscape of Tulsa
            About us

Preaus Landscape
of Tulsa, L.L.C.
was born in 1979 -
a product of brothers, Ken and Bill Preaus. Ken earned his B.S. Degree in Horticulture at Oklahoma State University, while
Bill graduated with an A.A.S. in Forestry from Eastern Oklahoma State College. Both are Certified Arborists through the International Society of Arboriculture.

Initially, the company was run out of their parents home, with Ruby, their mother, handling all the office work (answering phones, typing bids and invoices, and filing). Finally in 2000, they built an office with a shop and storage for their equipment. As the years progressed and they became known for their quality of work and service, they were able to invest in more and better equipment. Today, Preaus Landscape is  known throughout the state as having the best equipment available and having the only fleet of Track Mounted Aerial Lifts in Oklahoma. (Click on the Truck & Equipment Tab to see photos of all of our equipment).

In January of 2013, Tyler Cook and Scott Williams were added as Co-Owners of the company.

     Tyler Cook has an A.A.S. in Horticulture from Tulsa Community College, is an ISA Certified Arborist and has worked for Preaus Landscape for 16 years in all aspects of tree care and landscaping. In addition to being our Plant Health Care Manager, Tyler is our most versatile employee capable of operating all of our trucks, bucket lifts and machinery. Tyler is married with 4 children.

   Scott Williams has a B.S. in Forestry from Oklahoma State University. He is an Oklahoma Certified Nurseryman and Past President of the Oklahoma Nursery & Landscape Association. Scott has 33 years’ experience in the horticultural industry—from being the  Assistant Superintendent with the Oklahoma Forestry Division at the State Tree Nursery ; Landscape Consultant and Nursery Grower in  Seattle, Washington; Assistant Manager of Wolfe Nursery in Tulsa, Manager of Stringer Nursery  on 91st  St. in Tulsa, General Manager of Binding Stevens Home & Garden Showplace for 12 years and finally with Preaus Landscape the  last 9 years.
Scott  has given hundreds of landscaping talks/seminars to various garden clubs, organizations and local schools, as well as teaching Tulsa Master Gardeners and Linnaeus Gardeners classes.
As Landscape Manager, Scott performs and oversees Landscape Designs, Consultations, Installations  and Renovations. In addition, Scott writes/edits the ‘Preaus News’  newsletter and is the
webmaster for Scott is married and has 2 children.


Certified Arborists are required to take a 200 question exam that demonstrates proficiency in at least 13 tree-related areas. Materials include tree biology, tree identification, tree soil relations, water management, tree nutrition and fertilization, tree selection/installation and establishment, pruning concepts and techniques, cabling, bracing and lightening protection.
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