Click for info on:

Lost and Found Pets:

If you are TNR'ing and find a friendly cat, be sure to post on these websites in case the cat belongs to someone in your neighborhood before seeking adoption placement for the cat. (many good tips on finding a lost pet that should be implemented quickly once a pet is lost)
For-the-Love-of-Louie-Michigan-Lost-Pet-Lookers (under lost and found in your area)
Spay/Neuter resources by County throughout Michigan
Next Door (An App that allows you to notify your neighbors in your immediate area about the lost/found pet quickly, in case they see your pet or have lost their pet)