OSTİM Organized Industrial Zone Logo

How do I become a member?

Association Membership

The documents required to become a member of OSSA are as follows:

  • "Representation and Authorization" Letter for Appointing the Authorized Representative of Your Company at OSSA: It is sufficient to write the following on company letterhead, with the company stamp and the signature of an authorized person from the company's signature circular: "It has been determined that .............. is authorized to represent our company at the OSTİM DEFENSE AND AEROSPACE CLUSTER ASSOCIATION (OSSA)." * Photocopy of the company's tax registration certificate
  • Company's Trade Registry Gazette publication
  • Photocopy of the authorized representative's identity card
  • 2 passport-sized photographs of the authorized representative
  • Capacity report
  • Document showing that the company provides services or produces for the defense and aerospace sector (Invoice Samples)
  • Fully completed, signed and stamped Application Form
  • Industrial Registry Certificate

Membership fees and entrance fees must be paid to the OSTİM Defence and Aerospace Cluster Association (OSSA) account, and a copy of the receipt must be sent to OSSA. If your membership application is rejected, the amount you paid will be refunded.

You can access the Association Membership Application Form below. Once you complete the form and submit it along with other required documents, your application will be considered.

Application documents must be submitted by mail or in person to the address below.

OSTİM Defence and Aerospace Cluster, 100th Anniversary Boulevard No:101/A Ostim, ANKARA

ACCOUNT NAME: OSTİM Defence and Aerospace Cluster Association

ENTRY FEE = 30,000.00 TL. ANNUAL MEMBERSHIP FEE = 25,000.00 TL.

BANK ACCOUNT NUMBER: Vakıflar Bankası Ostim Branch 00158007297819549

IBAN: TR610001500158007297819549