Here is the list of everything mentioned so far- all contact info listed on their websites is available here. I left out fax numbers and couldn't get West Repairs' website to load. Sorry in advance for any mistakes with the phone numbers and addresses of the UK. Not sure about the format over there:

Watch Servicing Contact Info North America

Abell Watchmakers
Mr C Abell
PO Box 2070
Flint TX 75762
Tel: 903-245-6542

Nesbit's Fine Watch Service
1425 4th Ave Suite 402
Seattle, Washington 98101
Tel: 206-623-1211

United Watch Services
210 Post Street, Suite 613-614
San Francisco, CA 94108
Tel: 415-956-9698
Fax: 415-956-9778

Tyson Niemeyer at Twin Cities Watch Repair

Watch Servicing Contact Info UK

Andrew Charles Watch & Clock Makers LTD.
2 Taylor Court
Stevenage Road
Little Wymondley SG4 7HY
Office Tel: 01438-728430
Sales Tel: 01438-725008

Genesis Watch Making
PO Box 64
Brampton, CA8 0AQ, UK
Tel: 01697-73123

Mr John Senior (Horologist)
Yorkshire, UK

Ryte Time Watch Repairs
Stephen Burrage
P.O.Box 8362
Tel: 0116-267-7673

Watch Doctors
52 Western Rd
HP23 4BB
Tel: 01442-891435