Feb 27, 2008. /Lesprom.com/. Envelope producers National Envelope, U.S.A.; Mayer-Kuvert-network, Germany; Tompla Group, Spain; and Imura Envelope, Japan, formed an alliance to respond to requirements of multinational groups for single-source procurement with delivery destinations worldwide, EUWID pulp and paper reported. With more than 65 manufacturing facilities worldwide, the alliance is now in a position to guarantee comprehensive geographic coverage for these customers without huge administrative expense - be it with regard to the delivery of standard envelopes or concerning the implementation of cross-continent mailing solutions.