Emeryville, Calif.--Marketing services company Wirestone L.L.C. said it has acquired two Midwest Internet e-mail marketing companies as part of its goal to build revenues from $20 million last year to $50 million this year. The company has acquired Design Consultants Group Inc., Chicago, and Websight Solutions Inc., Milwaukee. The two companies bring such clients as, Lotus Software Technologies Pvt. Ltd., Panasonic Technologies Inc., Motorola Inc. and A.T. Kearney Inc.