Made by Great Lakes Grilling Co. Great Lakes Grilling Co. (GLG) has been providing wood cooking products to the restaurant and retail markets nationwide since 2001 and is located in Walker, MI. With state-of-the-art wood processing equipment & high-speed branding, Great Lakes Grilling can customize products to your wood cooking needs. We also have "A City and Guilds Master Craftsman", Chef Angus on hand to help bring your conceptual ideas to the table. Environmental & Safety We take the environment seriously and demand all of our wood product suppliers are certified under the Sustainable Forestry Initiative (SFI). All GLG wood bi-products are utilized by local farmers and residents as animal bedding, landscaping or firewood materials. In 2003, G.L.G funded the development of a Health & Safety test protocol for our planks and wraps with a well known 3rd Party Laboratory. As a result, these products meet the requirements of federal, state and local health authorities across the nation. Our wood products are untreated and free of any pesticides or herbicides.