Veli Olavi Olli Hyppänen

Tellabs International, Inc. develops network equipment for telecommunications companies and thier customers. The company is a subsidiary of Tellabs, Inc. The company was incorporated in September 23, 1987 and is headquartered in Naperville, IL.

Infinera Oy engages in the manufacture and sale of telecommunication equipment. The firm offers optical networking, transportation, broadband access, echo cancellation and voice quality enhancement, training and technical support services. The company is headquartered in Espoo, Finland.

Infinera Oy engages in the manufacture and sale of telecommunication equipment. The firm offers optical networking, transportation, broadband access, echo cancellation and voice quality enhancement, training and technical support services. The company is headquartered in Espoo, Finland.

Infinera Oy engages in the manufacture and sale of telecommunication equipment. The firm offers optical networking, transportation, broadband access, echo cancellation and voice quality enhancement, training and technical support services. The company is headquartered in Espoo, Finland.