Professional Land Surveying and Land Planning. Benthin and Associates has been in business since 1984 and continues to be a leader in the land surveying community for quality, efficiency and professionalism. We are a local firm and take pride in providing a professional product with modern technology in a timely manner. The staff at Benthin & Associates has the experience and knowledge to work in the field or office with the necessary expertise for solving problems and getting projects completed efficiently and on time. We assess project requirements, create an aggressive execution plan and then assign staff as necessary to work the plan. All work is performed under the direct supervision of a professional licensed land surveyor. Our firm built its clientele and reputation on competency, efficiency, and quality since we have been in business. We take pride in providing our clients with the best possible product to meet their needs.