Current Volunteers

Volunteer Central

HSMO volunteers have been making a difference in the lives of animals for decades. With more than 74,000 hours served last year, this dedicated team is busier than ever! Thank you for sharing your time and talents and helping give second chances to pets in need.

First 100 Adopters in May Receive WWT Raceway Collars and NASCAR Tickets

Start your engines! May is here, and HSMO has teamed up with World Wide Technology Raceway to offer adopters an awesome deal. The first 100 dog adopters in this month will receive a free WWT Raceway collar and two tickets to the NASCAR Cup Enjoy IL 300 on June 2! We are so grateful to our friends at the raceway …

National Mill Dog Rescue Update

After a lifetime in commercial breeding facilities, 62 puppies and dogs found refuge at our St. Louis and Maryland Heights locations. Our shelter and veterinary teams have worked tirelessly to provide each one with medical evaluations and compassionate care.   The group’s needs are varied and extensive. Nearly one-third of the animals have painful periodontal disease requiring extractions. Some need …

Celebrate Earth Day with Your Animal Friends!

Every year on April 22, Earth Day reminds us to appreciate our beautiful planet and protect it. But did you know your pets can be a part of the celebration? Here are some fun and eco-friendly ways to celebrate Earth Day with your animal companions: Go Green at Home: Hit your local trails: Lace up your walking shoes, grab your …