Welcome to the Companion Pet Care website. Our mission is to provide the highest quality in Veterinary Medical care in a friendly, relaxed setting. We take great pride in having 1 of just 14 American Animal Hospital Association (AAHA) facilities in New Hampshire. Emergency Care: In the event of an emergency during our normal office hours, please call ahead. For after-hours and weekend emergencies, please contact Littleton Area Veterinary Emergency Service at 59 W. Main Street right here in Littleton. They can be reached at 603-444-5533 between the hours of 5:00 PM and 8:00 AM on weeknights, and 24 hours daily on weekends and holidays. Please call them for assistance; they will help you determine if emergency services are required, and can give you directions to their clinic.