ISO 9001 is the internationally recognized standard for the quality management of businesses. It applies to the processes that create and control the products and services an organization supplies. ISO 9001 certification is primarily concerned with the approach of Environmental Management System.
AS9100 is as standard for quality management system and requirements for aviation, space and defence organizations.AS9100 Document requires quality manual, procedures, process approach. I was found this site interesting.
ISO 9001:2015 Certification presents the requirements of implementation Quality Management System. Certificationconsultancy.com offers ISO 9001:2015 Certification documentation kit.
The total cost in installation of ISO: 9000 series of standard. The total cost involved consultancy body, fees of certifying body, resource requirement etc. depending on infrastructure available with the company establish system and complexity of work involved.