Pine River Group has been a long-time partner of the various D.O.T. branches throughout the United States. We specialize in a wide variety of pressure treated material to meet any state's requirements and have long been working with partners like the Michigan and Wisconsin Departments of Transportation to supply their various needs. Our product line includes the following:



Wood Sign Posts
Wood Guard Rail Posts
Wood Guard Rail Blocks
Right-of-Way Fence Posts


Southern Yellow Pine
Red Pine
Douglas Fir




The Challenge

As a constitutional government agency, the Michigan Department of Transportation (MDOT) is tasked with maintaining all Interstate, US and state highways in Michigan. As a result, MDOT has developed strict quality standards for all materials used in an effort to maintain these valuable assets. Burt Forest Products was challenged with the assignment of supplying MDOT with wooden posts that would be used along Michigan roadways to support any necessary state road signs. With the stringent quality check processes that MDOT employs, product selection was crucial.


The Solution

To meet MDOT’s superior standards, Toby Burt and Mike Cranston looked to Pine River Group, a long-standing partner in the industry. Pine River Group is one of only two MDOT certified manufacturers of wood sign posts in the state of Michigan. This certification bypasses the need to have MDOT inspect and approve each post before construction begins. MDOT certification is not easily obtained and requires years of steadfast, quality production to obtain certification status.

As Sales Manager of Burt Forest Products, Mike Cranston counts on Pine River Group’s consistency in quality and delivery. This level of dependability has led to a strong business partnership.

As a result of the valuable products and services provided by PRG, Burt Forest Products sources 100% of its wood sign posts used from Pine River Group group — totaling nearly 400,000 board feet annually.

The ease of ordering from a MDOT certified manufacturer translates to time saved and greater productivity for Burt Forest Products and the contractors they supply.

Wood sign posts are an integral part of every road construction project that is done by MDOT to maintain a total of 9,669 route miles; which supported 12,267 jobs in 2015.

Through the initital investment of nearly $200,000 over 25 years ago to create a state-of-the-art wood post assembly line system, Pine River Group has cemented its place in the industry.

According to Mike Cranston, PRG consistently over-delivers on product expectations and maintains a superior level of a company’s most valuable asset: its people.


"My favorite thing about working with Pine River Group is the people; especially Gary. I have worked with Gary for more than 20 years; and Toby has worked with him even longer. Gary has saved me so much time and continues to help make me more productive. PRG is great at problem solving; they are able to bypass issues by nipping them in the bud. Pine River Group is a very well-run company."

— Mike Cranston

Burt Forest Products
Michigan forest products distributor for more than 60 years.
Toby Burt, Owner & President; Mike Cranston, Sales Manager





I have been with Biewer Lumber LLC and Pine River Group for over 35 years. In that time I have held positions in inside sales, outside sales, and plant manager of the St. Clair treating plant for more than 10 years. My years of experience in wholesale lumber, poles and piling and treating give me a unique perspective on working in the area of commercial sales. I am proud to have been the first person involved in what is now the Pine River Group and have enjoyed watching the division’s growth and success over the years.

Outside of the company I enjoy watching all sports, having played recreational softball for 30 years until the knees gave out. I love golf and plan to take my talents on the Senior PGA tournament upon retirement.

Gary Cummins
Office 810.561.5235
Cell 810.434.6345