Castor Engineering
Since 2008 • Trusted by 500+ Companies

STRIVINGENGINEERINGIN CLEANROOM

Leading service provider of Cleanroom HVAC validation, Thermal validation, Onsite Instrument calibration and NABL Calibration services for Pharmaceutical, Life Science, Biotech and medical device industries and many more related Industries.

Cleanroom HVAC Validation
Thermal Mapping of Area/ Ware house
Thermal Validation of Equipments
Onsite Instruments Calibration with CAALDOCK Software.
NABL Laboratories Calibration.
Castor Engineering

Castor Engineering

Your trusted partner for cleanroom solutions

15+
Years Experience
500+
Happy Clients
🔧

About Castor Engineering

A value-driven, single source organization providing integrated solutions for controlled environments to demanding organizations in Pharma-Biotech, Medical, Health Care and related sectors.

15+
Years of Experience
500+
Happy Clients
6
Branch Locations
NABL
Certified Laboratory

Our Mission

Castor Engineering Pvt Ltd, as an Organization we are committed to exceeding customer's expectations being attentive to their needs and providing real solutions based on the highest standards of quality and excellence.

Our Vision

To be the leading provider of validation and calibration services in India, setting industry standards for quality, innovation, and customer satisfaction in controlled environment solutions.

Our Journey

Our Journey as an organization been fantastic so far with profound pleasure of serving our esteemed customer with fullest satisfaction in terms of Quality and committed services and we intend will take this journey to next possible highest level.

Our Journey

Sep 2008

Year of Establishment

Castor Engineering Pvt Ltd was founded with a vision to provide world-class validation services.

Oct 2008

HVAC Validation Services

Launched our first HVAC validation services for cleanroom environments.

Jan 2009

Cleanroom HVAC Contracting

Expanded into cleanroom HVAC contracting and installation services.

Feb 2011

Turnkey Cleanroom Projects

Started offering complete turnkey cleanroom project solutions.

June 2013

Expansion Outside Karnataka

Extended our HVAC design and cleanroom projects beyond Karnataka state.

Jan 2015

Branches in Hyderabad & Himachal Pradesh

Opened new branches to serve clients across India.

Feb 2016

Branches in Vizag & Chennai

Further expanded our presence in South India with new branches.

Oct 2017

NABL Certified Calibration Laboratory

Achieved NABL certification and launched onsite calibration services.

April 2018

Cleanroom Thermal Mapping

Introduced specialized cleanroom thermal mapping services.

March 2018

Testing Equipment Manufacturing

Started manufacturing cleanroom testing equipment and instruments.

Jan 2019

Instrumentation Trading

Launched instrumentation trading division for comprehensive solutions.

April 2019

Equipment Thermal Validation

Extended thermal validation services across India with mobile units.

Why Choose Castor Engineering?

NABL Certified Laboratory
15+ Years of Experience
Multi-location Presence
Comprehensive Service Portfolio
Expert Technical Team
Customer-Centric Approach
Regulatory Compliance
Innovative Solutions
24/7 Support

Partner with Industry Leaders

Join hundreds of satisfied clients who trust Castor Engineering for their validation and calibration needs. Experience the difference of working with experts.

Our Services

End-to-end Qualification, Validation and Calibration solutions designed for controlled environments across the pharmaceutical, life science, biotechnology, medical device and related industries—ensuring compliance, precision, and reliability.

Clean Room HVAC Validation

Cleanroom HVAC validation is a critical process in pharmaceutical industries to demonstrate that air handling systems consistently deliver controlled temperature, humidity, air velocity, and cleanliness levels. In alignment with ISO 14644 and EU GMP Annex 1.

Validation ensures that cleanrooms achieve and maintain the required classification, protecting product integrity and patient safety.

  • Air Velocity & Airflow Pattern Testing
  • Differential Pressure Testing
  • HEPA Filter Integrity Testing (Leak Test)
  • Cleanroom Classification (Particle Count Test)
  • Temperature & Humidity Mapping
Learn More

Thermal Validation

Thermal validation in pharmaceutical cleanrooms is a critical process that ensures controlled environments, equipment, and processes maintain consistent and uniform temperature distribution. This validation is essential for maintaining product quality, safety and meeting international guidelines including WHO, EU GMP, FDA, and ISO standards.

  • Cleanroom Temperature & RH Mapping
  • Temperature Distribution Analysis
  • Equipment Thermal Mapping
  • Process Validation Studies
  • Cold Chain Validation
Learn More

NABL Calibration Laboratories

Our NABL-accredited laboratory delivers precise calibration services backed by traceable standards. We specialize in thermal, electrical, pressure, and airflow parameters, ensuring pharmaceutical and biotech companies meet stringent compliance requirements. With robust documentation and state-of-the-art instruments, our services guarantee accuracy, reliability, and regulatory readiness.

  • Thermal Calibration – Temperature sensors, thermocouples, RTDs.
  • Electro-Technical Calibration (ET) – Multimeters, data loggers, transmitters.
  • Pressure Calibration – Gauges, transmitters, manometers.
  • Airflow & Velocity Calibration – Anemometers, airflow meters.
  • Humidity Calibration – Sensors and data loggers for RH mapping.
Learn More

Onsite Instrument Calibration (Powered by CAALDOCK™)

Our CAALDOCK™ software-driven onsite calibration is a unique USP, designed specifically for pharmaceutical environments. It ensures real-time, paperless, and compliant calibration at customer sites, reducing downtime while maintaining regulatory integrity.

  • Thermal Instruments – RTDs, thermocouples, sensors.
  • Electro-Technical Devices – Transmitters, controllers, multimeters
  • Pressure Instruments – Differential, vacuum, and gauge pressure devices.
  • Airflow Testing Devices – Anemometers, Airflow Sensors
  • Data Integrity & Reporting – 21 CFR Part 11 compliant digital records via CAALDOCK™.
Learn More

Process & Validation

We provide complete process validation services with detailed documentation and compliance support, ensuring equipment, systems, and processes meet regulatory expectations for consistent performance.

  • Process Qualification (PQ)
  • Installation Qualification (IQ)
  • Operational Qualification (OQ)
  • Validation Documentation
Learn More

Cleanroom Design & Installation

We provide turnkey cleanroom solutions from design to commissioning, ensuring controlled environments that comply with international regulatory standards. Our services combine engineering expertise, HVAC integration, and qualification support tailored for pharmaceutical and biotech industries.

  • Cleanroom Design & Engineering – Customized layouts meeting ISO 14644 and EU GMP standards.
  • HVAC System Installation – High-performance AHUs, ducting, and filtration systems.
  • Cleanroom Infrastructure – Modular walls, ceilings, flooring, and utility integration.
  • Commissioning & Qualification – Comprehensive IQ, OQ, PQ protocols.
  • Regulatory Compliance Assurance – Documentation aligned with EU GMP Annex 1 and FDA guidelines.
Learn More

Industries We Service

Trusted by leading companies across diverse industries

💊

Pharmaceutical

🧬

Biotech

🏥

Medical Devices

🎓

Academics

🌿

Nutraceuticals

🐾

Veterinary

🍽️

Food

💄

Cosmetics

Ready to Get Started?

Contact our experts to discuss your validation and calibration needs. We provide customized solutions designed to meet your specific requirements and ensure compliance with international standards.

Learn More

Our Products

Innovative software solutions and high-quality equipment designed to streamline your validation and calibration processes.

Validation Instruments

High-precision instruments for HVAC and thermal validation

Fogger (WFI/DI Water)
Fogger (Water+Fog Liquid)
Anemometer
Air Capture Hood
Aerosol Photometer
Particle Counter
Aerosol Generator (Cold/ Thermal)

Calibration Standards

Traceable calibration standards and reference materials

RTD / Thermocouple
Pressure Master
Diff. Pressure Master
Low Temperature Dry Bath
Dry Block Temperature bath
Environmental Chamber
High-accuracy Thermo-Hygrometers

Cleanroom Equipment

Complete range of cleanroom infrastructure and utilities

Environment Monitoring Devices
Diff Pressure Gauges (Analog/ Digital)
Multi Channel Data Logger
Mini Temperature/Rh Data Logger
HEPA Filters
Pass Box (Static/ Dynamic)
Cleanroom Doors
Cleanroom Wall/Ceiling Panels.
AHU/ Bibo Units/ Return Air Raiser
Volume Control / Fire Dampers.

Ready to Transform Your Calibration Process?

Schedule a personalized demo of CaalDock Software and discover how it can revolutionize your validation and calibration workflows.

Our Customers

Trusted by Industry Leaders

We are proud to serve leading pharmaceutical, biotech, and medical device companies across India and abroad

200+
Pharmaceutical Companies
Serving leading pharma and biotech companies
15+
Years of Excellence
Consistent quality since 2008
500+
Projects Completed
Successful cleanroom and validation projects

Our Major Customers

Apotex Research Pvt Ltd
Karnataka Antibiotics & Pharmaceuticals Ltd
Strides Arcolab Ltd
Apotex Advancing Generics
SGS
Dr. Reddy's Laboratories Ltd
Mylan Laboratories Ltd
Biocon Ltd
Micro Labs Ltd
Hospira India Pvt Ltd
BioGen
Cipla Ltd
Hetero
Aquila Laboratories Pvt Ltd
Semler Research Center
Kemwell
MSN
Alstom
TUVRheinland
IIS
Lighting Technologies
Medreich
Nypro
HASELMEIER
Shiva
Siemens
Richcore

Join Our Growing Family of Satisfied Customers

From startups to Fortune 500 companies, we provide the same level of excellence and commitment to every project.

Join Our Team

Be part of a dynamic team that's shaping the future of validation and calibration services. We're looking for passionate professionals to join our growing organization.

Current Job Openings

Experienced Engineer (Engineering Stream)

Bangalore, Hyderabad, Vizag, Chennai
Full-time
1-3 years
Job Profile:
  • Onsite Instrument Calibration (Pharma Industries)
  • NABL Lab Calibration
  • Thermal Validation & Mapping
  • HVAC Validation
Qualifications:
  • B.Tech/BE/Diploma/ITI in Instrumentation/EE/EC/EEE/ME (Any One of these disciplines)
  • 1 to 3 years of experience
  • Candidates demonstrating leadership qualities and unwavering dedication are valued
Compelling Employment Offer:
  • Official Job Appointment with On-Role Status
  • Comprehensive Benefits: ESI, Insurance, and PF
  • Complimentary Accommodation for Group Stay (Bachelor's)
  • Initial Training Program Included
  • Competitive Salary commensurate with Skills, Experience & Commitment

Freshers (Engineering Stream)

Bangalore, Hyderabad, Vizag, Chennai
Full-time
0-1 year
Job Profile:
  • Onsite Instrument Calibration (Pharma Industries)
  • NABL Lab Calibration
  • Thermal Validation & Mapping
  • HVAC Validation
Qualifications:
  • B.Tech/BE/Diploma/ITI in Instrumentation/EE/EC/EEE/ME (Any One of these disciplines)
  • 0 to 1 year of experience
  • Fresh graduates with strong learning attitude and dedication
Compelling Employment Offer:
  • Official Job Appointment with On-Role Status
  • Comprehensive Benefits: ESI, Insurance, and PF
  • Complimentary Accommodation for Group Stay (Bachelor's)
  • Initial Training Program Included
  • Competitive Salary commensurate with Skills, Experience & Commitment

Admin & Front Office Executive

Bangalore, Hyderabad, Vizag, Chennai
Full-time
1-2 years
Job Profile:
  • Front office management and customer service
  • Administrative support and documentation
  • Office operations and coordination
  • Data entry and record keeping
Qualifications:
  • Bachelor's degree or equivalent qualification
  • 1-2 years of administrative experience
  • Excellent organizational and multitasking skills
  • Proficiency in office software and communication tools
Compelling Employment Offer:
  • Official Job Appointment with On-Role Status
  • Comprehensive Benefits: ESI, Insurance, and PF
  • Stable work environment with growth opportunities
  • Professional development and training programs
  • Competitive salary package

Why Work With Us?

Health & Wellness

Comprehensive health insurance, wellness programs, and mental health support

Learning & Development

Continuous learning opportunities, certifications, and skill development programs

Work-Life Balance

Flexible working hours, remote work options, and generous leave policies

Career Growth

Clear career progression paths, mentorship programs, and leadership opportunities

Performance Rewards

Performance-based bonuses, recognition programs, and achievement awards

Professional Environment

Modern office spaces, latest technology, and collaborative work culture

Our Company Culture

Innovation-driven approach to problem solving
Collaborative and inclusive work environment
Commitment to quality and excellence
Customer-centric mindset
Continuous improvement culture
Ethical business practices

Application Process

1

Apply Online

Submit your application with resume and cover letter

2

Initial Screening

HR team reviews your application and qualifications

3

Technical Interview

Meet with our technical team for role-specific assessment

4

Final Interview

Final round with management team and job offer

Don't See Your Perfect Role?

We're always looking for talented individuals to join our team. Send us your resume and let us know how you can contribute to our mission.

Get In Touch

Ready to discuss your validation and calibration needs? Contact our experts today for personalized solutions and immediate assistance.

Send us a Message

Office Address

Neelambaram, #139, Ground Floor

Prakash Garden, 1st Main, 2nd Cross

Horamavu Agara, Bangalore 560113

Karnataka, India

Phone Numbers

Mob: +91 98456 06694

Off: +91 99014 58374

Email Addresses

sureshsk@castorengineering.in

sales@castorengineering.in

info@castorengineering.in

Working Hours

Monday - Saturday

9:30 AM - 6:00 PM

Sunday: Closed

Our Locations

Bangalore

Karnataka

Head Office

Hyderabad

Telangana

Branch Office

Himachal Pradesh

Himachal Pradesh

Branch Office

Vizag

Andhra Pradesh

Branch Office

Chennai

Tamil Nadu

Branch Office

Need Immediate Assistance?

For urgent queries or emergency support, call us directly or send an email.

Find Us on Map

Castor Engineering Pvt Ltd

Neelambaram, #139, Ground Floor,
Prakash Garden, 1st Main, 2nd Cross,
Horamavu Agara, Bangalore 560113