Isotex
Isotex Corporation Private Limited is an Ahmedabad-based manufacturer of industrial steam boilers and thermic fluid heaters (1.5–20 TPH capacity), serving enterprise customers in chemicals, pharma, food processing, textiles, and conglomerates across India and 8+ export markets.
- Company typePrivate
- Founded1978
- HeadquartersAhmedabad, India
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Isotex does
Isotex Corporation Private Limited is an Ahmedabad, India-based manufacturer of industrial steam boilers and thermic fluid heaters, founded in 1978 and formally incorporated as a private limited company in 2012 (CIN: U29120GJ2012PTC070014). The company designs, engineers, and produces oil and gas-fired steam boilers, solid fuel-fired thermic fluid heaters, thermo steam generators, and hot water generators, with products spanning 1.5–20 TPH capacity and operating temperatures up to 320°C. Core proprietary technologies include Fluidized Bed Combustion (FBC) for solid fuel applications, water wall membrane panel construction for enhanced heat transfer, and high-temperature thermal fluid heating — supported by technical know-how acquired from Eckrohrkessel, Germany. Manufacturing spans 60,000+ m² across Ahmedabad and Dahej with six production workshops and a stated annual capacity of 1,000 units, employing 600+ production workers.
The business operates a direct B2B industrial sales model selling one-time capital equipment to enterprise customers, supplemented by after-sales service and spare parts. Unit pricing ranges from ₹9.97 Lakhs to ₹3.50 Crores per piece depending on capacity, fuel type, and IBR certification. GTM combines direct factory sales for large enterprise accounts with IndiaMART B2B marketplace presence for distributed industrial buyers. The customer base includes Reliance Industries, Tata Group, Adani Wilmar, Raymond, Birla Group, Zydus Cadila, Vardhman, Amul, ITC, L&T, PepsiCo, Cargill, and SRF — spanning chemicals, pharmaceuticals, food processing, textiles, and conglomerate segments. Approximately 20-40% of revenue is generated from exports to Bangladesh, Saudi Arabia, Venezuela, Jamaica, Philippines, Tanzania, Nepal, and Sri Lanka, earning EEPC India recognition as India's leading heater and boiler exporter. All products carry IBR approval, ASME U/S stamps, and ISO 9001:2015 certification, with third-party inspection from SGS, Bureau Veritas, Lloyd's Register, TUV, and BHEL enabling export-grade qualification.
Isotex firmographics
Firmographics- Name
- Isotex
- Legal name
- Isotex Corporation Private Limited
- Website
- https://isotexindia.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Isotex Corporation Private Limited is an Ahmedabad-based manufacturer of industrial steam boilers and thermic fluid heaters (1.5–20 TPH capacity), serving enterprise customers in chemicals, pharma, food processing, textiles, and conglomerates across India and 8+ export markets.
- Ownership category
- akta.pro rank
Isotex industry classification
Industry- Product category
- Industrial Boilers and Process Heating Equipment
- NAICS
- Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241)
- SIC
- Heating Equipment, Except Electric & Warm Air Furnaces (3433), Fabricated Plate Work (Boiler Shops) (3443)
- akta.pro primary industry
- Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)
- akta.pro secondary industries
- Industrial Boilers, HRSGs & Steam Generators (IMAHAFAF), Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC), Industrial Biomass Boilers & Steam Systems (Process Heat) (EUAAAGAC)
Keywords
Where Isotex is headquartered
LocationHeadquarters
- HQ city
- Ahmedabad
- HQ country
- India
- HQ region
- Asia
Offices3 records
Markets served
Isotex business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Infrastructure, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Industrial Boiler and Heater Sales: One-time sales of industrial steam boilers, thermic fluid heaters, thermal oil heaters, and hot water generators. Products are sold as complete units with varying capacities from 1000 kg/hr to 20000 kg/hr steam output.
- Custom/Project-based Sales: Large industrial boiler plants and turnkey solutions for process heating requirements across various industries.
- After-sales Service and Parts: Maintenance, servicing, and spare parts for installed boiler and heater equipment.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Industrial Steam Boilers - Price range from ₹9.97 Lakhs to ₹3.50 Crores per unit |
| Unit Pricing | Pay-as-you-go | Thermic Fluid Heaters - Price range from ₹25 Lakhs to ₹85 Lakhs per unit |
| Unit Pricing | Pay-as-you-go | Wood Fired Steam Boilers - Price range from ₹22 Lakhs to ₹90 Lakhs per unit |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels4 records
Isotex product offering
Product offeringCore offering
Isotex designs, engineers, and manufactures industrial steam boilers and thermic fluid (thermal oil) heaters for process industries. The product portfolio spans oil/gas-fired, coal-fired, biomass-fired, wood-fired, and solid-fuel-fired boilers with capacities from 1,000 kg/hr to 20,000 kg/hr of steam output, alongside thermic fluid heaters with ratings up to 35 lakh kcal/hr and operating temperatures up to 320°C. The company also produces hot water generators, waste heat recovery boilers, and specialized high-pressure boilers, with all products IBR-approved and manufactured across a 60,000 m² facility in Ahmedabad and Dahej.
Product overview
Isotex Corporation Private Limited is a manufacturer of industrial heating equipment offering a comprehensive portfolio of steam boilers and thermic fluid heaters. The product portfolio includes: Industrial Steam Boilers (Oil Fired, Biomass Fired, Coal Fired, Solid Fuel Fired with capacities from 3-16 TPH), Steam Boilers (Oil/Gas Fired, Solid Fuel Fired FBC, Wood Fired, Coal Fired with 1-20 TPH range), Thermal Fluid Heaters (CNG, Oil/Gas, Coal, Wood, LPG fired variants with 3 lac to 35 lac kcal/hr capacities), Wood Fired Steam Boilers (1-20 TPH), Industrial Boilers (Fire Tube, Water Tube, Vertical types), and Thermic Fluid Heaters (Gas, Oil, LPG fired). The company also produces specialized equipment including Waste Heat Recovery Boilers and high-pressure boilers with capacities up to 32 kg/cm2. All products are IBR (Indian Boiler Regulations) approved and incorporate technologies such as Fluidized Bed Combustion (FBC), Water Wall Membrane Panels, and advanced thermal oil heating systems.
Differentiator
Problem solved
Functional benefit
Products and services
- Industrial Steam Boilers Oil-fired, gas-fired, coal-fired, biomass-fired, and solid-fuel-fired steam boilers with capacities from 1,000 kg/hr to 16,000 kg/hr including FBC and water wall membrane panel variants, IBR approved for industrial steam generation applications.
- Steam Boilers Multi-fuel steam boilers (oil/gas fired, solid fuel fired FBC, wood fired, coal fired fully wetback, automatic oil fired, biomass reciprocating grate) with 1-20 TPH capacity range and IBR approval for industrial process steam generation.
- Thermal Fluid Heaters CNG, oil/gas, coal, wood, and LPG-fired thermal fluid heaters with capacities from 3 lakh to 35 lakh kcal/hr, operating temperatures up to 320°C, including high-efficiency dual-fuel and air-preheater variants for industrial thermal fluid heating.
- Wood Fired Steam Boilers Wood and wood chips-fired steam boilers with 1,500-5,000 kg/hr capacity, up to 90% thermal efficiency, IBR approved, designed for eco-friendly biomass-fuel steam generation across textile, pharmaceutical, and chemical industries.
- Industrial Boilers Fire tube, water tube, and vertical industrial boilers including oil/gas-fired high-pressure steam boilers (up to 20 kg/cm2), coal-fired steam boilers, and solid-fuel fired boilers with IBR approval for medium to large-scale industrial applications.
- Thermic Fluid Heaters Gas, LPG, and dual-fuel fired thermic fluid heaters with up to >92% thermal efficiency, max temperature 380°C, supporting natural gas, LPG, HSD, and dual-fuel modes for industrial thermal fluid heating applications.
- Wood Fired Boiler Wood-fired thermic fluid heater with 1,500,000 kcal/hr capacity, max temperature 280°C, designed as an eco-friendly high-efficiency industrial heating solution.
- Waste Heat Recovery Boiler 4,000 kg/hr waste heat recovery boiler that captures and reuses industrial waste heat to generate steam, improving overall plant energy efficiency.
Quantifiable outcome
- Thermal efficiency up to 95% for oil/gas fired boilers
- +4 more outcomes
Companies that use Isotex
Customer profileNamed customers15 records
Segments7 records
Ideal customer profiles1 record
Isotex technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Isotex partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- Eckrohrkessel, GermanycoreTechnical know-how purchased from Eckrohrkessel, Germany for boiler design and manufacturing. This technology transfer provides Isotex with international-standard boiler engineering capabilities.
- BHELminorCollaboration with Bharat Heavy Electricals Limited for power sector equipment and inspections.
Scale indicators9 records
Recent moves7 records
Expansion highlights5 records
Isotex competitors and assessment
Company assessmentDirect peers
- Cheema Boilers Limited: Indian manufacturer of industrial boilers and heaters serving chemicals, textiles and food processing - similar capacity range and customer verticals to Isotex.
- Cethar Limited (Cethar Vessels): Indian manufacturer of boilers and heat-transfer equipment for power and process industries; comparable in product mix (steam boilers, thermal fluid heaters) and customer verticals.
- Forbes Marshall: Indian manufacturer of steam engineering and boiler products with deep penetration in process industries; competes head-to-head with Isotex in steam boilers and thermal fluid systems.
- Thermax Limited: India's largest industrial boiler and thermic fluid heater manufacturer serving chemicals, textiles, food and pharma - directly overlaps with Isotex's product portfolio and customer base, but at much larger scale.
Broad incumbents
- Cleaver-Brooks: Large US-based boiler and burners manufacturer with full portfolio of fire-tube, watertube and heat-recovery boilers; competes with Isotex in international bids for industrial steam plants.
- Fulton Boiler Works: Global manufacturer of industrial steam boilers including biomass and gas-fired units; overlapping product portfolio with Isotex across process industries.
- Bosch Thermotechnology: Global industrial/commercial heating equipment manufacturer; broad portfolio including industrial boilers and burners with embedded IoT and connected-services platforms that exceed Isotex's current offering.
- Mitsubishi Heavy Industries (Power & Thermal): Global industrial conglomerate with power boiler and steam generation products; competes with Isotex for large-capacity, IBR/ASME-grade industrial steam projects.
Regional players
- Balkrishna Boilers: Indian manufacturer of industrial boilers focused on coal and biomass-fired units for domestic and select export markets; overlapping fuel-flexibility positioning with Isotex.
Others
- Alfa Laval: Global supplier of heat exchangers and thermal process equipment; adjacent to Isotex's water-wall membrane and heat-transfer technology and increasingly competing in industrial process heating.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Isotex social profiles
Digital presenceIsotex financial estimates
Financial estimateRevenue estimate
Valuation estimate
Isotex leadership team
Management profileNumber of profiles
Profiles4 records
Isotex funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Isotex M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Isotex
What does Isotex do?
Isotex designs, engineers, and manufactures industrial steam boilers and thermic fluid (thermal oil) heaters for process industries. The product portfolio spans oil/gas-fired, coal-fired, biomass-fired, wood-fired, and solid-fuel-fired boilers with capacities from 1,000 kg/hr to 20,000 kg/hr of steam output, alongside thermic fluid heaters with ratings up to 35 lakh kcal/hr and operating temperatures up to 320°C. The company also produces hot water generators, waste heat recovery boilers, and specialized high-pressure boilers, with all products IBR-approved and manufactured across a 60,000 m² facility in Ahmedabad and Dahej.
Is Isotex a public or private company?
Isotex is a private company. It is classified as family owned and is currently operating.
When was Isotex founded?
Isotex was founded in 1978. It employs 11 to 50 people.
Where is Isotex based?
Isotex is headquartered in Ahmedabad, India, in the Asia region.
How does Isotex make money?
Three revenue lines are on record. Industrial Boiler and Heater Sales are the primary driver. The others are custom/Project-based Sales and after-sales Service and Parts.
Who are Isotex's main competitors?
Direct peers on record are Cheema Boilers Limited, Cethar Limited (Cethar Vessels), Forbes Marshall and Thermax Limited. Broad incumbents are Cleaver-Brooks, Fulton Boiler Works, Bosch Thermotechnology and Mitsubishi Heavy Industries (Power & Thermal). Balkrishna Boilers is listed as a regional player. Alfa Laval is listed as an others.
Does Isotex have an API?
No public API is recorded for Isotex.
What industry is Isotex in?
Isotex's product category is Industrial Boilers and Process Heating Equipment. Its primary akta.pro industry code is IMAHAKAD, Boilers, Furnaces & Process Heating Equipment, with a secondary code of IMAHAFAF, Industrial Boilers, HRSGs & Steam Generators. Its NAICS code is 333414 and its SIC code is 3433.