What do the following companies have in common: Wheatsville Food Co-op, Jackson Walker LLP, Community TechKnowledge, Texas Gas Service, BMC Software, URS, MFI Foundation, Technu Extreme, REI, Clif Bar, Hill Country Outdoors and Texas Rowing Center? They are all sponsors of the 2011 edition of It’s My Park Day, which is coming up on March 5, 2011. Our sponsors make …