Harper International Corporation

Name

Harper International Corporation

Legal name

Harper International Incorporated

Website

https://harperintl.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Industrial Thermal Processing Equipment

NAICS

Industrial Process Furnace and Oven Manufacturing (333994)

SIC

Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Industrial Furnaces, Kilns & Thermal Processing Equipment (IMAHAEAE)

akta.pro secondary industries

Heat Treatment & Thermal Processing Furnaces (Hardening, Annealing, Induction) (IMAHADAI), High-Temperature Process Heat Electrification (E-Boilers, E-Furnaces, Induction, Plasma) (EUABAJAA)

Keywords

• Thermal processing equipment
• Industrial furnace systems
• High temperature kilns
• Carbon fiber production lines
• Advanced materials processing

Headquarters

HQ city

Buffalo

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Supply Chain

Revenue model

1. Custom Thermal Processing Equipment Manufacturing: Design, manufacture, installation, and commissioning of custom-engineered thermal processing furnace, kiln, and oven systems. Revenue is generated on a project basis for specialized equipment ranging from lab scale to full production line operations.
2. Aftermarket Services (Pulse® Program): Recurring revenue from technical support, replacement parts, global field service, preventative maintenance, retrofits, rebuilds, and upgrades. Revenue from scheduled parts delivery and service contracts.
3. Technology Licensing: Licensing of proprietary furnace technologies (e.g., continuous induction-based graphitization furnace technology) to strategic partners. After a defined period, licensing may convert to perpetual, irrevocable, non-exclusive arrangements.
4. R&D and Piloting Services (Ignite® Program): Process development and optimization services at Harper's Technology Research Center, helping customers define process parameters prior to commercial scale-up investment.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Harper International designs, engineers, and manufactures custom-built thermal processing furnaces, kilns, and ovens operating from 300°C to 3000°C in controlled and specialty atmospheric environments. Systems are used for calcination, graphitization, carburization, oxidation, purification, pyrolysis, reduction, and sintering of advanced materials, with continuous process equipment ranging from lab scale to full production line operations.

Product overview

Harper International Corporation is a global leader in thermal processing solutions, offering a comprehensive portfolio of furnace, kiln, and oven systems engineered for advanced materials production. The product portfolio centers on continuous thermal processing equipment including Rotary Tube Furnaces, Pusher Tunnel Furnaces, Vertical Conveyor Furnaces, Batch Furnaces (Batch Induction and Elevator Retort), and Belt Conveyor Furnaces, all capable of operating at temperatures from 300 to 3000°C in controlled atmospheres. The Carbon Fiber Solutions division provides specialized equipment including Oxidation Ovens, LT/HT Furnaces, and Ultra-High Temperature (UHT) Furnaces for carbon fiber manufacturing from PAN, pitch, and alternative precursors. Supporting the equipment portfolio are service programs including the Ignite® Program (R&D testing and process development), Pulse® Program (aftermarket maintenance and support), and System Integration services. Harper operates research facilities in Buffalo, NY and at Oak Ridge National Laboratory for customer testing and scale-up support.

Differentiator

Problem solved

Functional benefit

Brands

• Ignite® Program: R&D testing and process development program for advanced materials processing
• Pulse® Program

Products and services

• Rotary Tube Furnaces Continuous high temperature thermal processing systems for granular, powder, or particulate aggregates in high purity and specialty atmospheric environments at temperatures up to 3000°C. Features include riffle flights for axial mixing, helical flights for narrow residence time distributions, and the patented Advanced Sealing System for rotary reactors. Used by advanced materials manufacturers in carbon fiber, battery materials, technical ceramics, and powder metals production.
• Pusher Tunnel Furnaces Industrial furnaces designed for processes requiring precise control of temperature and atmosphere with longer residence times and exact heat-up rate control. Feature advanced graphite designs for high temperature applications, strategic heating element placement, and modular construction for high temperature materials processing.
• Vertical Conveyor Furnaces Patented thermal processing systems for high temperature solid-solid and solid-gas reactions such as carbides, nitrides, borides, and refractory metal powders. Design minimizes product sticking or gas-phase entrainment, maximizes product uniformity, and improves heat and mass exchange between products and reactants.
• Batch Induction Furnace High temperature batch furnace with induction heating capabilities up to 3000°C and capacity up to 7 kg per batch. Features Allen-Bradley ControlLogix PLC and touchscreen HMI controls with optical pyrometer temperature control. Used for advanced materials research and small batch production.
• Elevator Retort Furnace High temperature elevator retort furnace with fiber insulation for fast turn-around, water-cooled seals for atmosphere integrity, PLC controlled sequencing, and dual kiln cars with independent cooling chambers for improved process flow. Used for batch heat treatment of advanced materials.
• Belt Conveyor Furnace Mesh belt conveyor furnaces for continuous processing of parts and advanced materials at temperatures up to 2000°C. Supports a variety of belt materials including mesh, strip, and chain with gas and electric heated options. Used for processes such as oxidation stabilization and continuous heat treatment.
• Oxidation Ovens Advanced oxidation oven designs for carbon fiber processing available for tow-bands from 300mm to greater than 4000mm. Features atmospheric end seals, continuous flow monitoring, patent-pending nozzle design, and modular construction achieving up to 90% labor reduction versus field erection. Air velocity uniformity of 2.2% and temperature uniformity of ±2.5°C in production-scale ovens.
• LT/HT Furnaces Continuous slot furnace technologies for carbon fiber production. LT furnaces operate up to 1200°C with ceramic fiber insulation; HT and UHT furnaces operate up to 3000°C with graphite-based materials platform. Available in electric, gas, or fuel fired configurations with end seal designs delivering process gas flow uniformity and reduced energy consumption.
• Ultra-High Temperature Furnace (UHT) World-leading ultra-high temperature furnace systems rated to 3000°C for production of powdered metals and high modulus carbon fiber. Features positive seal construction techniques, well-insulated heating chambers minimizing heat loss, and multifaceted gas tight construction. Systems range from 65mm width producing 10 tons/year to 400+ tons/year capacity.
• Lab Scale Rotary Furnace Compact rotary furnace system with temperatures up to 1200°C, heated length up to 30 inches (762mm), and tube diameter up to 4 inches (102mm). Features 3-zone independent control, advanced profile programming, and paperless recorder with CFR21 Part 11 compliance for regulated industries.
• Ignite® Program R&D testing and process development program using Harper's Technology Research Center for advanced materials scale-up from lab to full commercialization. Provides access to pilot furnaces, process optimization, and analytical capabilities including SEM/EDX, XRD, particle size analysis, and thermal testing. Enables customers to define process parameters including production rates, temperature regimes, processing times, atmosphere compositions, and flow rates before investing in production-scale equipment.
• Pulse® Aftermarket Service Program Comprehensive aftermarket service solution offering technical support, replacement parts, global field service, equipment modernization, retrofits, rebuilds, and upgrades for thermal processing equipment. Generates recurring revenue through scheduled parts delivery and service contracts.
• System Integration End-to-end system integration services including material handling solutions (creel stations, winders, drive stands), pre and post treatment, gas treatment and handling (thermal oxidizers, scrubbers, filtration), and fully integrated controls connecting all process equipment to centralized control systems.
• Heating Technologies Multiple heating and power supply options for thermal processing equipment including electric resistance (200-2700°C), gas-fired (200-1500°C), induction (2000-3000°C+), and microwave (200-2000°C) technologies, plus energy recovery systems with heat-exchangers, recuperators, and regenerators.

Quantifiable outcome

• Up to 90% reduction in labor versus similar field erection times for modular oxidation oven construction into a full line pilot system (300mm)
• +4 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

18 partnerships are on record, tiered core, secondary and minor.

• Fujian Fuwei Advanced Material Co., Ltd.coreStrategic or Co-development Partner · 20 May 2025Harper was selected to provide advanced high temperature furnace systems for commercial-scale carbon fiber manufacturing for Fujian Fuwei. The turn-key thermal processing solution is scheduled for shipment to Fujian Fuwei's site in Yong'an City, Fujian province, China in February 2026.
• NOVONIX LimitedcoreOEM/ Whitelabel/ Licensing Partner · 9 January 2025Harper entered into an exclusive licensing agreement with NOVONIX for rights to Harper's continuous, induction-based graphitization furnace technology used to produce synthetic graphite anode material for lithium-ion batteries. The agreement builds on a strategic partnership from December 2020. After seven years, NOVONIX receives a perpetual, irrevocable, non-exclusive license.
• Alberta InnovatescoreStrategic or Co-development Partner · 8 July 2024Harper engineered and installed a scientific carbon fiber production line processing bitumen (up to 3 kg/day capacity) at Alberta Innovates' research facility in Edmonton, Canada, officially opened November 28, 2025. The project aims to reduce carbon fiber production costs and unlock new applications.
• University of Kentucky Center for Applied Energy Research (CAER)secondaryStrategic or Co-development Partner · 5 December 2023Harper was awarded a contract to engineer and manufacture a Rotary Tube Furnace for Cementitious Materials Research to be installed at University of Kentucky's CAER in Lexington, Kentucky. Also separately awarded a Pitch Carbon Fiber Stabilization Mesh Belt Oven system for the same institution.
• Oak Ridge National Laboratory (Carbon Fiber Technology Center)coreStrategic or Co-development PartnerHarper partnered with Oak Ridge National Laboratory to offer a partner research facility at ORNL's Carbon Fiber Technology Center. Harper manufactured the 390-ft processing line at the 42,000 sq ft DOE facility, capable of processing PAN, polyolefins, lignin, and pitch precursors at up to 25 tons/year. The facility serves as a national testbed for government and industrial carbon fiber R&D and scale-up.
• The American Ceramic Society (ACerS)minorGTM or Marketing PartnerHarper International is a corporate member of The American Ceramic Society, participating in industry collaboration and marketing visibility within the ceramics community.
• IACMI (The Composites Institute)minorStrategic or Co-development PartnerHarper International is a member of IACMI, the composites institute, supporting collaboration and innovation in composite materials technology.
• Metal Powder Industries Federation (MPIF)minorGTM or Marketing PartnerHarper International is a member of MPIF, participating in industry events including WorldPM 2026.
• United States Advanced Ceramics Association (USACA)minorGTM or Marketing PartnerHarper International is a member of the United States Advanced Ceramics Association.
• Sojitz Machinery Corporation (Japan)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Japan.
• Key One Tech Co. (Korea)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in South Korea.
• Fidertech Corporation (Taiwan)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Taiwan.
• RTA Engineering Ltd. (Israel)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Israel.
• SIMCO Materials International Pvt. Ltd. (India)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in India.
• PEN-TAS Kimya Ticaret ve Sanayi Limited (Turkey)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Turkey.
• Ricco International Trade and Consultancy (Poland)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Poland.
• Juergen Holz Industrievertretungen GmbH / Risthaus Thermal & Material Solutions GmbH (Austria)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens in Austria.
• Sangjie Commercial Co. Ltd. (Korea - Nuclear Fuel Market)secondaryChannel Partner/ Reseller/ DistributorInternational sales and service partner for Harper's thermal processing furnaces and ovens specifically for the nuclear fuel market in South Korea.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Emerging players

• CVD Equipment Corporation: CVD Equipment Corporation manufactures chemical vapor deposition and thermal processing equipment for advanced materials, nanomaterials, and energy storage research. Comparable emerging player with partial overlap in custom thermal processing systems for advanced materials R&D and pilot production.

Broad incumbents

• Andritz AG: Andritz is a large Austrian industrial group whose Pulp & Paper and Metals divisions include thermal processing furnaces, kilns, and heat treatment equipment for advanced materials. Comparable to Harper as a major furnace OEM with global service reach and a broader portfolio spanning multiple process industries.
• Despatch Industries (ITW): Despatch Industries, part of Illinois Tool Works, designs industrial ovens and furnaces for carbon fiber, solar, and battery materials production. Comparable to Harper in carbon fiber oxidation ovens and continuous thermal processing, with broader ITW backing enabling scale advantages.

Direct peers

• Inductotherm Group: Inductotherm is a leading global manufacturer of induction melting and heating equipment for metals, with induction furnace systems operating up to and beyond 3000°C. Directly comparable to Harper's induction-based heating technologies and high-temperature processing capabilities, particularly for powder metals and advanced carbon.
• Keith Company: Keith Company manufactures custom walk-in, bench-top, and conveyor furnaces for industrial heat treatment, ceramics, and advanced materials. Comparable mid-sized specialty furnace OEM competing with Harper in custom atmosphere-controlled and high-temperature industrial furnaces.
• Nabertherm GmbH: Nabertherm is a German manufacturer of industrial and laboratory furnaces serving ceramics, metallurgy, and advanced materials. Comparable to Harper across multiple furnace categories including chamber, tube, rotary, and high-temperature systems up to 1800°C.
• Carbolite Gero (Verder Group): Carbolite Gero manufactures laboratory and industrial furnaces up to 3000°C for materials research, heat treatment, and advanced ceramics. Comparable to Harper in custom high-temperature furnace design, with overlapping customers in research institutions and advanced materials.
• SECO/WARWICK: SECO/WARWICK is a global manufacturer of industrial heat processing furnaces and vacuum metallurgy equipment serving aerospace, automotive, energy, and advanced materials customers. Directly comparable to Harper in selling custom-engineered thermal processing solutions to advanced materials producers, though with a heavier focus on vacuum metallurgy and aluminum heat treatment.
• Thermal Technology LLC: Thermal Technology LLC specializes in high-temperature furnaces for advanced ceramics, nuclear, solar, and battery materials, with spark plasma sintering and graphite hot press systems. Closely comparable niche competitor to Harper in advanced materials thermal processing, particularly for technical ceramics and nuclear.
• Ipsen: Ipsen designs and builds industrial furnaces for heat treatment, including vacuum and atmosphere-controlled systems serving aerospace, automotive, and energy customers. Comparable to Harper as a custom-engineered thermal processing OEM with similar metallurgy and advanced materials customer overlap.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/Harperintl
• LinkedInlinkedin.com/company/1116976
• Xx.com/harperintl

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Harper International Corporation