(For LDS Products) ARO S.A.

Av. Belgrano 369

Ciudad Autònoma de Buenos Aires

Argentina

Phone: 0054-11-4331-4503

Fax: 0054-11-4331-3572

(For Bruel & Kjaer Products) Coasin S.A.

Virrey del Pino 4071

1430 Buenos Aires

Argentina

Phone: +54 11 45523185

Fax: +54 11 45553321/3340