Where is the rd systems office located? R&D Systems, Inc. 614 McKinley Place NE Minneapolis, MN 55413 Toll Free USA, Canada: (800) 343-7475How do i contact the rd helpline? If you have a general query regarding an R&D claim then please contact the Corporation Tax helpline on 0300 200 3410. Opening times are 8am to 6pm, Monday to Friday (excluding Bank Holidays). Alternatively you may post your query to a specific unit.Who is dr electronics? Established in 1976, D&R Electronics Co Ltd. is a Canadian Manufacturing and solution provider meeting the needs of First Responders and the Public Utilities Sector. D&R designs, manufactures and installs solutions at its 36,000 sq. ft. facility with its hundred dedicated customer-centric employees.Where can i find a d link office? Contact Us. D-Link Corporation No. 289, Xinhu 3rd Road. Neihu District, Taipei 11494. Taiwan Contact D-Link Corporation. Brazil Rua Apeninos, 1126, 10º Andar. CEP 04104-021, Paraíso, São Paulo.