Contact Us

The Weeks Corporation

Mary Weeks Dransfield &
David Dransfield

429 Airport Road
North Clarendon, VT 05759, USA

Office: 1-802-775-4980

Mobile: 1-802-558-4234

Fax: 1-802-772-7814


For questions in Europe, you may also contact:

Jan Schilder

Rustenburgerweg 219
1703 RV
Heerhugowaard, The Netherlands

Office: 0031-725-719998

Mobile: 0031-653-631765


Bill Weeks’ daughter, Mary Weeks Dransfield, and her husband, Dave Dransfield, own The Weeks Corporation, a Vermont S-corporation which owns the aAa®, Weeks®, Bull Central®, Perfect Match® and Sire the Need® service marks. aAa® and Weeks® approved analyzers provide aAa® Animal Analysis in North America, Australia and New Zealand, and Weeks® Animal Analysis in Europe and Japan.

aAa® service mark registration:  Australia:  #1372853, Canada:  #TMA414,835, Mexico:  #520,071, New Zealand:  #827,504, USA:  #639,116

Weeks® service mark registration:  Europe CTM:  #001 813 120, Japan:  #6032274, USA:  #2,519,679

Bull Central® service mark registration:  Canada:  #TMA916,986, Madrid Protocol:  #1 214 273, USA:  #4,611,331, plus others in progress

Perfect Match® service mark registration:  USA:  #5,280,990, Madrid Protocol:  #1 368 895, Japan #1368895, plus others in progress

Sire the Need® service mark registration:  Madrid Protocol #1 422 038, plus others in progress