25+ Sample Internship Letter College Endorsement Indonesia 2026

PT. Teknologi Maju
Jl. Sudirman No. 12
Jakarta, Indonesia

15 March 2026

Dear Hiring Manager,

I am writing to express my interest in the internship program at PT. Teknologi Maju. As a third-year Computer Science student at Universitas Indonesia, I am eager to apply my skills in software development and data analysis in a real-world setting. I believe this internship will provide me with the practical experience needed to excel in my field.

I would greatly appreciate your endorsement of my application to this program. Your support will be instrumental in helping me achieve my academic and professional goals.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Aditya Wijaya

PT. Konstruksi Indonesia
Jl. Gatot Subroto No. 45
Surabaya, Indonesia

20 March 2026

Dear Mr. Wahyu Pratama,

I am reaching out to express my interest in the engineering internship program at PT. Konstruksi Indonesia. As a fourth-year Civil Engineering student at Institut Teknologi Sepuluh Nopember, I am eager to gain hands-on experience in construction project management and site supervision.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the skills needed to excel in the engineering field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Rina Andriani

PT. Bisnis Indonesia
Jl. HR. Rasuna Said No. 23
Jakarta, Indonesia

25 March 2026

Dear Ms. Anisa Nurmalasari,

I am writing to express my interest in the business administration internship program at PT. Bisnis Indonesia. As a second-year Business Administration student at Universitas Gadjah Mada, I am eager to apply my knowledge of marketing and financial management in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the business world. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Budi Hartono

PT. IT Solutions Indonesia
Jl. Budi Raya No. 78
Bandung, Indonesia

30 March 2026

Dear Mr. Andi Setiawan,

I am writing to express my interest in the information technology internship program at PT. IT Solutions Indonesia. As a third-year Information Technology student at Institut Teknologi Bandung, I am eager to apply my skills in network administration and cybersecurity in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the IT field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Dwi Agung

PT. Green Indonesia
Jl. Cempaka No. 12
Bogor, Indonesia

5 April 2026

Dear Ms. Lestari Wati,

I am writing to express my interest in the environmental science internship program at PT. Green Indonesia. As a third-year Environmental Science student at Institut Pertanian Bogor, I am eager to apply my knowledge of environmental conservation and sustainability in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the environmental field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Ayu Lestari

PT. Mechanical Indonesia
Jl. Pangeran Jayakarta No. 34
Jakarta, Indonesia

10 April 2026

Dear Mr. Bambang Sutrisno,

I am writing to express my interest in the mechanical engineering internship program at PT. Mechanical Indonesia. As a fourth-year Mechanical Engineering student at Universitas Indonesia, I am eager to apply my knowledge of mechanical design and manufacturing in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the mechanical engineering field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Eko Prasetyo

PT. Electrical Indonesia
Jl. Prof. Sudjono No. 56
Surabaya, Indonesia

15 April 2026

Dear Ms. Dewi Suryani,

I am writing to express my interest in the electrical engineering internship program at PT. Electrical Indonesia. As a third-year Electrical Engineering student at Institut Teknologi Sepuluh Nopember, I am eager to apply my knowledge of electrical systems and power generation in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the electrical engineering field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Rudi Hartono

PT. Industrial Indonesia
Jl. Raya No. 123
Bekasi, Indonesia

20 April 2026

Dear Mr. Tono Suharto,

I am writing to express my interest in the industrial engineering internship program at PT. Industrial Indonesia. As a fourth-year Industrial Engineering student at Universitas Gadjah Mada, I am eager to apply my knowledge of supply chain management and process optimization in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the industrial engineering field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Sri Wahyuni

PT. Civil Indonesia
Jl. Sudirman No. 45
Jakarta, Indonesia

25 April 2026

Dear Ms. Retno Widyastuti,

I am writing to express my interest in the civil engineering internship program at PT. Civil Indonesia. As a third-year Civil Engineering student at Institut Teknologi Bandung, I am eager to apply my knowledge of structural analysis and construction management in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the civil engineering field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Agus Salim

PT. Arsitektur Indonesia
Jl. Cikini No. 67
Jakarta, Indonesia

30 April 2026

Dear Mr. Andi Wijaya,

I am writing to express my interest in the architecture internship program at PT. Arsitektur Indonesia. As a fourth-year Architecture student at Universitas Indonesia, I am eager to apply my skills in building design and urban planning in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the architecture field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Liza Puspita

PT. Accounting Indonesia
Jl. Kebon Jeruk No. 89
Jakarta, Indonesia

5 May 2026

Dear Ms. Yanti Sari,

I am writing to express my interest in the accounting internship program at PT. Accounting Indonesia. As a third-year Accounting student at Universitas Gadjah Mada, I am eager to apply my knowledge of financial reporting and auditing in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the accounting field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Dedi Mulyadi

PT. Marketing Indonesia
Jl. HR. Rasuna Said No. 101
Jakarta, Indonesia

10 May 2026

Dear Mr. Rudi Hartono,

I am writing to express my interest in the marketing internship program at PT. Marketing Indonesia. As a fourth-year Marketing student at Universitas Indonesia, I am eager to apply my knowledge of digital marketing and brand management in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the marketing field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Winda Sari

PT. HR Indonesia
Jl. Sudirman No. 67
Jakarta, Indonesia

15 May 2026

Dear Ms. Ani Suryani,

I am writing to express my interest in the human resources internship program at PT. HR Indonesia. As a third-year Human Resources student at Universitas Gadjah Mada, I am eager to apply my knowledge of recruitment and employee development in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the human resources field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Bambang Wijaya

PT. Finance Indonesia
Jl. Prof. Sudjono No. 34
Surabaya, Indonesia

20 May 2026

Dear Mr. Tono Suharto,

I am writing to express my interest in the finance internship program at PT. Finance Indonesia. As a fourth-year Finance student at Institut Teknologi Sepuluh Nopember, I am eager to apply my knowledge of investment analysis and portfolio management in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the finance field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Dwi Widyastuti

RS. Indonesia
Jl. Cempaka No. 45
Bogor, Indonesia

25 May 2026

Dear Ms. Lestari Wati,

I am writing to express my interest in the nursing internship program at RS. Indonesia. As a third-year Nursing student at Universitas Indonesia, I am eager to apply my skills in patient care and medical assistance in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the nursing field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Ayu Lestari

PT. Legal Indonesia
Jl. HR. Rasuna Said No. 78
Jakarta, Indonesia

30 May 2026

Dear Mr. Budi Hartono,

I am writing to express my interest in the law internship program at PT. Legal Indonesia. As a fourth-year Law student at Universitas Gadjah Mada, I am eager to apply my knowledge of corporate law and legal compliance in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the legal field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Rina Andriani

PT. Psychology Indonesia
Jl. Kebon Jeruk No. 56
Jakarta, Indonesia

5 June 2026

Dear Ms. Anisa Nurmalasari,

I am writing to express my interest in the psychology internship program at PT. Psychology Indonesia. As a third-year Psychology student at Universitas Indonesia, I am eager to apply my knowledge of cognitive behavior and counseling in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the psychology field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Sri Wahyuni

PT. Sociology Indonesia
Jl. Sudirman No. 89
Jakarta, Indonesia

10 June 2026

Dear Mr. Andi Wijaya,

I am writing to express my interest in the sociology internship program at PT. Sociology Indonesia. As a fourth-year Sociology student at Universitas Gadjah Mada, I am eager to apply my knowledge of social research and community development in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the sociology field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Eko Prasetyo

PT. Economics Indonesia
Jl. Prof. Sudjono No. 123
Surabaya, Indonesia

15 June 2026

Dear Ms. Dewi Suryani,

I am writing to express my interest in the economics internship program at PT. Economics Indonesia. As a third-year Economics student at Institut Teknologi Sepuluh Nopember, I am eager to apply my knowledge of macroeconomics and policy analysis in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the economics field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Dwi Agung

PT. Political Science Indonesia
Jl. Raya No. 45
Bekasi, Indonesia

20 June 2026

Dear Mr. Tono Suharto,

I am writing to express my interest in the political science internship program at PT. Political Science Indonesia. As a fourth-year Political Science student at Universitas Indonesia, I am eager to apply my knowledge of public policy and governance in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the political science field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Rudi Hartono

PT. Mathematics Indonesia
Jl. Kebon Jeruk No. 67
Jakarta, Indonesia

25 June 2026

Dear Ms. Retno Widyastuti,

I am writing to express my interest in the mathematics internship program at PT. Mathematics Indonesia. As a third-year Mathematics student at Universitas Gadjah Mada, I am eager to apply my knowledge of statistical analysis and mathematical modeling in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the mathematics field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Budi Hartono

PT. Physics Indonesia
Jl. Sudirman No. 89
Jakarta, Indonesia

30 June 2026

Dear Mr. Andi Setiawan,

I am writing to express my interest in the physics internship program at PT. Physics Indonesia. As a fourth-year Physics student at Institut Teknologi Bandung, I am eager to apply my knowledge of quantum mechanics and materials science in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the physics field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Aditya Wijaya

PT. Chemistry Indonesia
Jl. Prof. Sudjono No. 56
Surabaya, Indonesia

5 July 2026

Dear Ms. Yanti Sari,

I am writing to express my interest in the chemistry internship program at PT. Chemistry Indonesia. As a third-year Chemistry student at Universitas Indonesia, I am eager to apply my knowledge of organic synthesis and analytical chemistry in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the chemistry field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Liza Puspita

PT. Biology Indonesia
Jl. Cempaka No. 34
Bogor, Indonesia

10 July 2026

Dear Mr. Bambang Sutrisno,

I am writing to express my interest in the biology internship program at PT. Biology Indonesia. As a fourth-year Biology student at Institut Pertanian Bogor, I am eager to apply my knowledge of molecular biology and ecology in a real-world setting.

Your endorsement would significantly enhance my application and demonstrate your confidence in my abilities. I am confident that this internship will provide me with the practical experience needed to excel in the biology field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Winda Sari

PT. Statistics Indonesia
Jl. HR. Rasuna Said No. 123
Jakarta, Indonesia

15 July 2026

Dear Ms. Ani Suryani,

I am writing to express my interest in the statistics internship program at PT. Statistics Indonesia. As a third-year Statistics student at Universitas Gadjah Mada, I am eager to apply my knowledge of data analysis and statistical modeling in a professional setting.

Your endorsement of my application would be a valuable asset as I seek to gain practical experience in the statistics field. I am confident that this internship will provide me with the skills needed to excel in my field.

Thank you for considering my request. I look forward to the opportunity to contribute to your team.

Sincerely,
Dedi Mulyadi