WYLER AG in Winterthur / Switzerland has a tradition of more than 80 years in the field of inclination measurement. Grace to the use of most modern technologies and the consequent development of new products WYLER AG has ......WYLER AG in Winterthur / Switzerland has a tradition of more than 80 years in the field of inclination measurement. Grace to the use of most modern technologies and the consequent development of new products WYLER AG has an international reputation as a leading company for inclination measuring equipment and systems. The product range starts from simple spirit level to complex electronic measuring system.