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FDA-GMP Certified Manufacturer in India | Pharma & Food Industry Chemicals


Unleashing the Potential of APIs, Intermediates, and Excipients

A FDA-GMP Certified Manufacturing Facility

Annexe Chem Private Limited has been involved in the chemicals business since 2001. We initially dealt in laboratory, small and semi-bulk chemicals under the name Sigma Chemicals, gaining significant market awareness and creating a great reputation. In 2008, we founded Annexe Chem Private Limited, and since then, we pride ourselves on offering high-quality fine chemicals. Our advanced technology ensures that our products are packaged with utmost care to maintain their composition.

Our success stems from our wide range of quality products manufactured in a state-of-the-art FDA-GMP facility. Furthermore, we offer competitive prices and timely deliveries through our well-established distribution network.

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Upcoming Exhibitions

We’re thrilled to share with you the exciting lineup of exhibitions that our company will be attending in the coming months. These are fantastic opportunity for us to connect with industry professionals, showcase our latest products, and engage with our valued customers. Mark your calendars and join us at these remarkable events:

GlobalChem Expo 2023

Date : 21 - 22 December 2023

Location : Mumbai

Stall No : B3

Discover, network, and innovate at GlobalChem Expo 2023 – the premier event for the Chemical Industry. Join Annexe Chem to explore how we can collaborate and shape a future together.

CPHI India 2023

Date : 28-30 November 2023

Location : India Expo Mart, Noida, Delhi

Hall : 1A | Stall : 1A. P08

This is the ideal event for businesses looking to take advantage of the newest trends and advances that the pharmaceutical industry looks more and more to India for high-quality, affordable pharmaceutical solutions.

Envision Pharma's Evolution with Annexe Pvt. Ltd. at CPHI India 2023

GlobalChem Expo 2023

Date : 21 - 22 December 2023

Location : Mumbai

Stall No : B3

Discover, network, and innovate at GlobalChem Expo 2023 – the premier event for the Chemical Industry. Join Annexe Chem to explore how we can collaborate and shape a future together.

Have a Look at Our New GMP Plant Situated at Manjusar, Vadodara, Gujarat.

Welcome to Annexe, where innovation meets excellence in pharmaceutical and food manufacturing. Our brand-new FDA-GMP facility represents the pinnacle of cutting-edge technology and precision. Equipped with an in-house GLP-certified laboratory and R&D facility, we ensure meticulous quality control and pioneering advancements in every product.

Our 3000 MT/year manufacturing facility, nestled at the heart of the chemicals industry, offers an ideal environment for innovation and collaboration. With a 30-ton HVAC system and 3-micron filtered air, we maintain optimal conditions for hygiene and production. Trusted by over 400 industry leaders, Annexe stands as a symbol of reliability and top-tier quality. Join us in revolutionizing pharmaceutical and food production, setting new industry standards in the pursuit of excellence.

We take pride in offering a high-quality selection of Pharma Excipients & APIs. Our commitment to excellence extends beyond manufacturing to advanced packaging techniques, ensuring product integrity.

Our Clientele

What Our Customers Say About Us


Sandip Shah Partner (Global Metell Chemie)

It was indeed very nice getting associated with a man of great substance & visionary par excellence like you. I am an eyewitness to your success story started as a small-time Laboratory Chemical supplier and reached to become an Industrialist. Your hardworking nature and perfection to the last digit have put you on the top of the table as far as the Fine Chemical industry is concerned.


Paresh Mistry Works Manager (Mercury Laboratories Ltd.)

First of all, I would like to express my happiness regarding the steady and confirmed progress of MR KALPESH PATEL, I know him for almost ten years. He has never kept in his mind results or in more commercial terms to make money. His dedication towards the organization's progress was to specify that has ultimately resulted in to achieved stage & banner for which he was determined. It is only by DETERMINED & DEDICATION TOWARD JOB, DUTIES. I wish him GREAT success. I wish him GREAT success.


Rakesh Jain Founder (Growth with Happiness)

I know Mr. Kalpesh Patel for the last 5 years. He is sincere, dedicated, and a very keen learner. I have worked with him where he acted as a teacher, mentor, and coach. One thing I liked most about him is to focus on delivering beyond expectation. He has always been a person who believed in "Going beyond possible" to create something of value for the customer. He says - This is just the beginning. The best is yet to come. I know for sure that with this powerful philosophy, Annexe is going to create many new milestones for the industry. I wish Kalpesh bhai all the very best.