Porter's Five Forces Analysis for Safilo Group. How do I analyse the competitiveness of the industry. This company is a major manufacturer of sunglasses, designer eyewear, prescription eyewear,. About his competitors. There is one that is more similar to the products he specialises in. The other competitor companies sell better or specialise in products such as contact lenses and goggles. What should I do when conducting my analysis regarding the competitiveness of the industry in which I am located. How do I determine if it is intense.