Our Corporate Partners Program is your company’s best investment for reaching law enforcement. Your partnership with MSA gives you access to 115 Missouri sheriffs, their staff, government officials, legislators, jail administrators and more through our publications, website and conferences. DOWNLOAD MEDIA KIT.. Oct 22, 2020 · Sheriff Matthew Hassel today announced that Marshall County citizens who would like to join him in the fight against crime are invited to become members of the Indiana Sheriffs’ Association. Many local citizens and some businesses have already joined the Association in support of our efforts. The Indiana Sheriffs’ Association is a nonprofit, professional, educational .