The company was founded in 1974 by Mr. Naresh Shah (Managing Director & Chairman) after completing B.Tech. Mechanical from IIT Mumbai & Masters of Science from University of Michigan, United States. He was later joined in 1998 by his son Mr. Vishal Shah who graduated with a bachelors’ degree in Mechanical Engineering from V.J.T.I Mumbai. Eversince 1974, Amar has built its foundation on a strong technical team with a blend of vast experience & technological / commercial understanding.

The Journey

The beginning journey was with general fabrication of large pressure reactors, vessels, heat exchangers etc. Today, we specialize in high pressure autoclaves / reactors / systems, magnetic drive coupling & flow reactors. Our vision is to provide import substitutes in India & new technologies globally, while maintaining quality & costs. Through high pressure systems Amar can offer customized turnkey solution for virtually all applications from high pressure chemical reactors, corrosion testing, supercritical fluid extraction system etc for chemical, pharmaceutical, oil & gas, defence, educational & chemical research purposes.




We are a ISO 9001 – 2008, CE – PED, ASME U, U2 certified company offering products with Explosion proof (Ex), ATEX , UL, CSA, CRN certified systems on request.


We have complete in-house setup well-equipped to design, manufacture & test all the products & components with latest gauges, measuring instruments & machines including:

  • CNC Turning Centre
  • Vertical Machining Centre (VMC)
  • Conventional Lathes
  • Plasma Cutting Machine
  • Overhead EOT Cranes
  • Buffing / Polishing Cleaning Equipment
  • Laser marking
  • Cutting Machines
  • Calibration Instruments
  • Drilling Machines
  • Welding Machines
  • Grinding Machines
  • PMI Machine
  • Packaging Machines etc….




We are a team of around 125 people with qualified staff, skilled workers including a core team of 30 highly skilled & experienced professional engineers, required to produce the desired quality with accuracy & precision as per international quality standards & design codes.


  • To provide import substitutes in India & new technologies globally, while maintaining quality & costs
  • To become a leading global player in manufacturing & supply of all our products
  • To continuously upgrade the quality of our products and always offer the latest & the best
  • To build products that are technically complete, physically reliable, economically competent & ergonomically superior


  • To develop technically complex, challenging, customised turnkey solutions
  • At Amar, we strongly follow Hon. Indian Prime Minister Narendra Modi’s campaign of MAKE IN INDIA

Global Footprints

Pioneers & largest manufacturer of high pressure reactor, magnetic drive couplings & continuous flow reactor in India year after year for over 40 yrs with around 75% market share in India and substantial share globally. Over 5000 successful installations world over with more than 1000 delighted customers. Exports to more than 50 countries worldwide with presence of local distributors & 5 distributors in different parts of India for local support.

Product Range

  • High Pressure Autoclaves
  • High Throughput Catalyst Screening
  • Automated Parallel Autoclaves
  • Gas Induction Reactors
  • Glass Autoclaves
  • Non Stirred Pressure Vessels
  • HPHT Corrosion Testing
  • Supercritical Fluid Extraction
  • Reaction Calorimeters
  • Gas Hydrate System
  • Acid Digestion Bombs
  • Shaker Hydrogenator
  • Pilot Plants
  • CSTR
  • Fixed Bed Tubular Reactors
  • Continuous Flow Micro Reactors
  • Photo Chemical Flow Reactors
  • Magnetic Couplings / Stirrers
  • Heating & Cooling Circulators
  • Lab Agitated Nutsche Filters