USA:
The Perkinson Company
P.O. Box 241428
Charlotte , NC 28224
toll free: 1-800 833-7375
fax: (704) 527-6232
e-mail: mail@perkinsonusa.com
http://www.perkinsonusa.com

Extech, LLC
490 Industrial Park Rd.
Deep River , CT 06417
tel: (860) 526-2610
fax: (860) 526-5018
Website: www.extechllc.com

CANADA:
ScanTron Surveying & Diving Inspections
Trevor Klock
Regina , Saskatchewan
office: (306) 565-6798
mobile: (306) 539-6798
toll free: 1-877-757-1537
e-mail: scantronsurveying@sasktel.net

Q.Pro Technical Services
10620 Rockley Road
Houston, TX 77056
Tel: (713) 366-0700
Fax: (713) 366-0701
Email: info@qpro.us
Website: www.qpro.us

Quebec:
DASSLOI Inc.
575 Gaétan
Salaberry de Valleyfield
Québec Canada
J6S 0A7
tel: 450-371-4685
toll free: 1-888-371-4685
fax: 450-377-5204
Website: http://dassyloi.com