Exhibit 10.15 MEMBERSHIP INTEREST PURCHASE AGREEMENT THIS MEMBERSHIP INTEREST PURCHASE AGREEMENT dated as of September 30, 2005 is made by and between C. Ryan Solberg and Conrad J. Solberg (each a "Purchasers" and collectively, the "Purchasers") and...Membership Interest Purchase Agreement • January 4th, 2006 • Plangraphics Inc • Services-computer integrated systems design • Minnesota
