Concrete Groton

Amcon Concrete Products, LLC is a leading manufacturer of architectural masonry in the Upper Midwest. Amcon now operates nine plants across the region, offering quality, service, and innovation to the building materials industry. In addition, we offer a full line of AmStone Architectural Masonry Units through Amcon Concrete Products.

We are a leading environmentally and socially progressive heavy building materials company located in the eastern United States. We’ve been in operation since 1902 and we remain a family-led business with a values-oriented, people-focused culture. Our products protect human life and personal property, improve the quality of life, generate economic prosperity and connect society. Our Values guide how we conduct ourselves and our business affairs, particularly with regard to our customers, our employees, our communities and the environment.

WJS Contracting, LLC is a construction company based in Sioux Falls, South Dakota, offering a range of services including excavation, demolition, site prep, concrete, snow removal, and retaining walls. Founded by Wyatt Shillingstad, the company has over a decade of experience in the construction industry, with projects spanning across South Dakota, Arizona, and Tennessee. WJS Contracting is dedicated to providing quality construction services, ensuring customer satisfaction, and maintaining transparency throughout the project process.

Jensen Rock & Sand Inc. is a family-owned supplier of asphalt, concrete, aggregate, and construction services in the upper midwest. Founded in 1929 by Virgil and Juanita Jensen, the company has been providing quality products and services, exceeding customer expectations and creating a good working environment for employees. With seven plants in northern South Dakota and one in North Dakota, Jensen Rock & Sand Inc. offers a wide range of services including pump trucks, ready-mix concrete, asphalt, precast products, aggregates, and construction services.

Buffalo Ridge Concrete is a locally owned and operated business that has been serving Southwest Minnesota, Northwest Iowa, and Eastern South Dakota with quality concrete services since 1916. The company is committed to providing excellent service and customer satisfaction, making it a valued partner for many construction projects. Buffalo Ridge Concrete offers a wide range of products and services, including concrete, landscaping materials, and drainage tile. They also provide tools and helpful resources such as calculators, tax forms, and links for their customers. The company has a strong focus on community support and has built lasting relationships with their customers.

Precision Paving & Masonry is a premier paving and masonry solution provider for residential and commercial properties. With a commitment to quality craftsmanship and customer satisfaction, they specialize in creating durable foundations and captivating outdoor spaces that stand the test of time. Their range of services encompasses both concrete and masonry work, including paver installation, asphalt paving, sealcoating, and concrete and masonry. The company operates in various locations such as New York, New Jersey, Long Island, Suffolk County, Nassau County, Manhattan, Brooklyn, Queens, Staten Island, and Bronx.

Industrial Concrete Incorporated (ICI) is a full-service concrete contractor that has been in operation for over twenty years. The company was founded in 1996 in Fredericksburg, Virginia, and has since grown to employ over 100 employees, working in the Mid-Atlantic area. ICI's mission is to surpass the expectations of their customers in quality, schedule, production, and safety. They focus on technical advancements and superior quality through promoting safety, flexibility, efficiency, integrity, and professionalism. Their team is service-oriented and committed to getting the job done on time and safely.

Big Dog Concrete, founded in 2002 by Mike Bathke, delivers top-quality residential and commercial concrete solutions across Eastern South Dakota. In the spring of 2024, Mike transitioned ownership to Clark Hagen, an industry veteran with extensive experience in residential and commercial construction as a general contractor. The company excels in providing tailored concrete services for homes, commercial properties, and agricultural projects.

Jans Corporation is a full service contracting company based in Sioux Falls, SD. We provide a variety of different services, including steel and precast erection, rough carpentry, and finish carpentry. Our mission is to build dreams, solutions, and tools. We have the knowledge and abilities to take your project from an idea to a fully functional space. In the beginning stages, we can help with determining needs, funding options, estimates, value engineering, follow-through with self-performed services, and monitoring construction activities. Whether or not we were involved in the construction of your space, we can take care of your property long after the keys are turned over to you. Our maintenance department can perform routine maintenance and repair needs, as well as emergency on-call services.

Andrew Martone Landscape Design Inc. is a leading Landscape Designer on Long Island, creating stunning and inspiring designs for over 15 years. As a family-owned and operated business based in Mineola, NY, we take great pride in all our work. We offer full landscape design services to ensure your outdoor space is beautiful all year around. Our local knowledge, competitive prices, and reliable quality make us the natural choice for all your landscape needs.