Geometric logos 2

Following the idea of Geometric logos.

Which famous company/software logos include the following geometric shapes (listed alphabetically by company)?

1. Three congruent parallelograms forming a hexagon with a hole in the center in the form of an equilateral triangle.

2. 14 congruent squares arranged in a 2×7 matrix.

3. Four identical right triangle
   trapezoids forming an octagon.

4. Two intersecting circles.

5. Rectangle.

6. Five congruent triangles forming a circle with a hole in the center in the form of a regular pentagon.

Hints for 6.