Since in 1947 Lemay Concrete Block has been a family owned block manufacturer In 1947 Leonard Fred Detmer needed block for his own yard project When they werent available he began making his own From a single mold and hand crank mixer Leonard made 8 x 8 x 16 standard masonry block Once neighbors saw he was making block they inquired about buying theirs from him Its from those humbling days that Lemay Concrete Block Co began Today the family is still making those 8 x 8 x 16 masonry blocks but over the years have added to their full line of masonry blocks including readymix concrete retaining walls pavers outdoor kitchenbackyard kits and are still continuing to expand their product lines Lemay Block prides itself on serving the St Louis areas doityourself home owners contractors and our many local distributors Come visit Lemay Blocks indoor and outdoor showroom to see full displays of the many products manufactured on site