Business Open House Invitations 2016-08-16 | Lei Pick out the best business open house invitations from our wide variety of printable templates you can freely customize to match any party theme. Also read: Amusement Park Birthday Party Invitations Related posts:Business Event Invitation Letter SampleNerf Gun Party Invitations PrintableCorporate Party InvitationBirthday Invitation FormatWinter Pool Party Invitation WordingHoliday Dinner Invitation Templates Blank