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North American Sales Organization
 

Clarke’s district sales organization is structured to support our North American sales/service distributor network located throughout the United States, Canada, and the Caribbean. We are also uniquely positioned to support our sales efforts with our factory sales and services branches located in major cities across North America.  

Clarke Corporate offices are located in Springdale Arkansas:

Clarke
2100 Hwy 265 South
Springdale, AR 72764
(800) 253-0367

For the local sales representative in your area visit our Dealer Locator. For direct contact with our government account department, please contact:

 

Government Sales Director
Chuck Ball
Phone: (443) 562-8471
chuck.ball@alto-us.com

 
International Sales Organization
 
Our international sales organization is centrally managed through our global manufacturing facilities listed below. For additional information please contact us.
 
ALTO Europe    DenSin (ALTO Asia)
Industrikvarteret
DK-9560 Hadsund
Denmark
Phone: +45 72 18 21 00
Fax: +45 72 18 21 05
 

   No 17, Link Road
   Singapore 619034
   Singapore
   Phone: +65 6268 1006
   Fax: +65 6268 4916

 
Customer Service
 
Clarke Customer Service is staffed from 7am to 5pm Central Time (GMT-6) on normal workdays.
 
USA
Phone (800) 253-0367
Fax (800) 825-2753
info@clarkeus.com
or (479) 750-8450
or (479) 750-4540
 

Canada

International
Phone (800) 668-8400
Fax (800) 263-5111
Phone +1 (479) 750-1000
Fax +1 (479) 750-8345
 
Technical Service
 
Clarke Technical Service is staffed from 7am to 5pm Central Time (GMT-6) on normal workdays.
 
North America International
Phone (800) 356-7274
or (479) 750-8452

Fax (479) 750-8463
info@clarkeus.com
Phone +1 (479) 750-8452
Fax +1 (479) 750-8463