Duff and Macintosh Pty Ltd
Duff and Macintosh Pty Ltd is a third-generation, privately-owned Australian industrial instrumentation distributor founded in 1928, supplying flow, pressure, level, sampling, and safety equipment from seven international principals to industrial, research, and educational customers across Australia, New Zealand, and the South Pacific.
- Company typePrivate
- Founded1928
- HeadquartersHornsby, New South Wales, Australia
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Duff and Macintosh Pty Ltd does
Duff and Macintosh Pty Ltd is a third-generation, privately-owned Australian industrial instrumentation distributor incorporated on 12 January 1928 (originally as Crossle, Scott & Duff Brothers Limited). Headquartered at Hornsby, NSW, with a combined office and warehouse on Leighton Place, the company supplies technically specified process and laboratory instrumentation to engineering, industrial, research, healthcare, and educational customers across Australia, New Zealand, and the South Pacific. Customers served span Defence, Power, Petrochem, Utilities, Hospitals, Research Facilities, Universities/TAFEs/Colleges, and Food & Beverage manufacturing.
The product portfolio spans nine categories: electronic and mechanical flowmeters, flow indicators/sight glasses, pressure sensing and control, level transmitters and switches, boiler water/steam sampling, process sampling, flameproof/ATEX/IECEx instrumentation, industrial valves, and engineering education equipment. Underlying technology includes electronic mass flow meters and pressure controllers with 5ms response times (distributed from Alicat Scientific), SIL 2 IEC 61508 certified flow, level, pressure and differential pressure switches (Pyropress), and sample conditioning systems rated to 5,000 psi / 1,100°F using helical coil, spiral tube, and tube-in-tube heat exchanger designs (Sentry). The firm is ISO 9001 and ISO 45001 certified and distributes seven international principals, including Sentry, Alicat Scientific, Influx, RCM Industries, Primary Flowpoints, and Pyropress, plus TecQuipment Limited and Elettronica Veneta S.p.A through the EduTechnics education division established in 2010.
Duff and Macintosh operates a direct, consultative sales model with application-engineering support, generating revenue through hardware distribution on a quote-on-application basis. The go-to-market relies on the company website, LinkedIn, and Facebook for top-of-funnel presence, with direct sales engagement from the Hornsby office driving specification, quoting, and after-sales support. Pricing is not publicly disclosed; transactions are project-driven, with material deal sizes likely in sectors such as power generation simulation suites, petrochemical plant sampling systems, and university engineering teaching apparatus. No public listing, institutional capital, or M&A activity is recorded.
Duff and Macintosh Pty Ltd firmographics
Firmographics- Name
- Duff and Macintosh Pty Ltd
- Legal name
- Duff and Macintosh Pty Ltd
- Website
- https://duffmac.com.au
- Company type
- Private
- Founded year
- 1928
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Duff and Macintosh Pty Ltd is a third-generation, privately-owned Australian industrial instrumentation distributor founded in 1928, supplying flow, pressure, level, sampling, and safety equipment from seven international principals to industrial, research, and educational customers across Australia, New Zealand, and the South Pacific.
- Ownership category
- akta.pro rank
Duff and Macintosh Pty Ltd industry classification
Industry- Product category
- Industrial Process Instrumentation Distribution
- NAICS
- Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823)
- akta.pro primary industry
- Instructional Equipment & Classroom Tools (Whiteboards, Lab Kits, Manipulatives) (EDAEAIAB)
Keywords
Where Duff and Macintosh Pty Ltd is headquartered
LocationHeadquarters
- HQ city
- Hornsby, New South Wales
- HQ country
- Australia
- HQ region
- Oceania
Offices1 record
Markets served
Duff and Macintosh Pty Ltd business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure
Revenue model
- Industrial Instrumentation Distribution: Revenue generated through distribution of high-quality industrial and laboratory instrumentation equipment. Products include flow meters, pressure sensors, level transmitters, valves, and process sampling equipment. The company acts as authorized representative for multiple international brands in Australia and New Zealand.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | — | Industrial instrumentation equipment - quotes provided on application |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Duff and Macintosh Pty Ltd product offering
Product offeringCore offering
Duff and Macintosh Pty Ltd distributes industrial process instrumentation and engineering education equipment across Australia, New Zealand, and the South Pacific. The company supplies flow meters, pressure sensors, level transmitters, valves, process sampling systems, and flameproof instrumentation on behalf of multiple international manufacturers. Its EduTechnics division supplies engineering teaching apparatus to universities, TAFEs, and colleges.
Product overview
Duff and Macintosh Pty Ltd is an Australian-owned and operated distributor and supplier of high-quality industrial and laboratory instrumentation established in 1928. The company operates as a portfolio of product categories centered around process instrumentation and measurement, including electronic and mechanical flowmeters, flow indicators, pressure sensing and control equipment, level transmitters and switches, boiler water/steam sampling systems, process sampling equipment, flameproof instrumentation, and industrial valves. The company distributes products from seven branded manufacturers (Sentry, Alicat Scientific, RCM Industries, Pyropress, Influx, Primary Flowpoints Limited) and operates an Education division called EduTechnics that supplies engineering teaching equipment to universities, TAFEs, and colleges across Australia and New Zealand. The product portfolio serves industries including Defence, Power, Petrochem, Utilities, Hospitals, Research Facilities, Manufacturing, and Food & Beverage.
Differentiator
Problem solved
Functional benefit
Brands
- EduTechnics: A division of Duff and Macintosh Pty Ltd established in 2010, specializing in tertiary education equipment for universities, TAFEs and colleges in Australia and New Zealand. Representatives for TecQuipment Limited and Elettronica Veneta S.p.A.
Products and services
- Electronic Flowmeters Electronic flow measurement devices including mass flow meters, volumetric flow meters, and flow controllers for liquid and gas applications, featuring fast response times and digital outputs.
- Mechanical Flowmeters Mechanical flow measurement devices including glass tube, metal tube, and brass/stainless steel bodied meters, flow switches, and custom-scaled flowmeters for various industrial applications.
- Flow Indicators and Sight Glasses Visual flow indicators and sight glasses for monitoring liquid flow in pipelines, available in gunmetal, stainless steel, and carbon steel configurations.
- Pressure Sensing and Control Equipment Pressure measurement and control equipment including pressure transducers, transmitters, regulators, and electronic pressure controllers for industrial processes.
- Level Transmitters and Switches Level measurement devices including transmitters and switches for monitoring liquid levels in tanks and vessels, available in various materials including polypropylene, kynar, and acetal.
- Boiler Water and Steam Sampling Equipment Equipment for conditioning and sampling boiler water, steam, and process samples including sample coolers, sequencers, resin columns, sample panels, and automated sampling systems.
- Process Sampling Equipment Process gas and liquid sampling equipment including manual gas concentration samplers, closed loop samplers, and liquefied gases samplers for representative sample extraction.
- Flameproof and Ex Instrumentation Explosion-proof and ATEX/IECEx certified instrumentation including flow switches, level switches, pressure switches, vacuum switches, differential pressure switches, and transmitters for hazardous areas.
- Industrial Valves Industrial valves including back pressure regulators, pressure control valves, relief valves, transformer valves, and explosion relief valves for various process applications.
- Engineering Education Apparatus (EduTechnics) Engineering education and training apparatus for universities, TAFEs, and colleges covering disciplines including electronics, telecommunications, electrical engineering, chemical engineering, and thermodynamics.
Companies that use Duff and Macintosh Pty Ltd
Customer profileNamed customers8 records
Segments3 records
Ideal customer profiles3 records
Duff and Macintosh Pty Ltd technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Duff and Macintosh Pty Ltd partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core.
- TecQuipment LimitedcoreUK-based manufacturer designing and developing high-quality products for engineering education for over 50 years. EduTechnics Pty Ltd, a division of Duff and Macintosh established in early 2010, represents TecQuipment in Australia and New Zealand.
- Elettronica Veneta S.p.AcoreItalian manufacturer with over 50 years experience designing and developing comprehensive range of high-quality products for engineering education. EduTechnics Pty Ltd, a division of Duff and Macintosh established in early 2010, represents Elettronica Veneta in Australia and New Zealand.
- Sentry EquipmentcoreSentry Equipment is a US-based manufacturer of process sampling and analysis equipment. Duff and Macintosh serves as their authorized representative in Australia and New Zealand. Sentry products include sample coolers, sample panels, corrosion products samplers, and related sampling system accessories.
- Alicat ScientificcoreAlicat Scientific manufactures the world's fastest mass flow meters, mass flow controllers, and pressure controllers with 5ms response times. ISO 9001 certified manufacturer providing instruments with NIST-traceable calibration and lifetime warranty. Duff and Macintosh distributes their products in Australia and New Zealand.
- InfluxcoreInflux produces a wide range of standard and bespoke flow measurement products. They have in-depth industry knowledge and their own innovative R&D department developing new products. Duff and Macintosh distributes Influx products in the Australian/New Zealand market.
- RCM IndustriescoreRCM Industries, Inc. manufactures direct reading differential pressure flowmeters for liquids and gases. ISO 9001 certified company with dedicated team specializing in flow product manufacture and R&D. Duff and Macintosh represents RCM Industries products in Australia and New Zealand.
- Primary Flowpoints LimitedcoreUK-based manufacturer of flow indicators with over 20 years experience. Uses castings from UK foundries and latest CNC technology to produce high quality products. Extensive experience in meeting quality requirements for offshore, chemical and petrochemical applications. Hamber Flow has been incorporated into Primary Flowpoints.
- PyropresscoreUK-based designer and manufacturer of weatherproof and ATEX/IECEx/AEx certified switches and transmitters. Over 60 years of building quality, reliable and durable products with SIL2 certification. Member of Pyroban Group since 2010. Duff and Macintosh distributes Pyropress products in Australia.
Scale indicators3 records
Recent moves5 records
Expansion highlights4 records
Duff and Macintosh Pty Ltd competitors and assessment
Company assessmentBroad incumbents
- ABB: Industrial automation and process instrumentation supplier (flow, pressure, level, analytical) with a significant Australian footprint. Serves overlapping mining, utilities, and process-industry customers across AU/NZ.
- WIKA: German manufacturer of pressure, temperature, level, and flow instrumentation with direct Australian subsidiary. Competes head-to-head in pressure sensing and mechanical flow categories that represent a core portion of Duff and Macintosh's portfolio.
- Siemens: Global industrial automation and process instrumentation provider (SITRANS product line) competing in flow, level, and pressure measurement across the same ANZ industrial customer base.
- Emerson: Global automation major (Rosemount, Fisher, Branson) supplying process instrumentation and control valves to power, petrochem, and utilities — directly overlapping Duff and Macintosh's core verticals in AU/NZ, including flameproof/ex-certified instrumentation.
- Turck: Industrial automation specialist (sensors, connectors, interface technology) with direct Australian operations. Comparable as an ANZ industrial sensor/instrumentation supplier serving factory automation and process customers.
- Honeywell: Process Solutions division supplies flow, pressure, temperature, and analytical instrumentation to refineries, power plants, and chemical facilities — overlapping with Duff and Macintosh's petrochem and power generation accounts in AU/NZ.
- VEGA: Specialist manufacturer of level, pressure, and switching instrumentation with Australian distribution. Directly competes with the level transmitters/switches and pressure sensing categories Duff and Macintosh represents.
- Endress+Hauser: Global leader in industrial process instrumentation for flow, level, pressure, and analytical measurement, with direct Australia/NZ sales and service operations. Competes with Duff and Macintosh in the same ANZ industrial customer base but as a manufacturer-principal rather than a multi-brand distributor.
- Yokogawa Electric: Process automation specialist (flowmeters, pressure transmitters, process analytics) with Australian operations targeting the same power, petrochem, and water/wastewater customers Duff and Macintosh serves.
Regional players
- IPD Group: Australian distributor of electromechanical and industrial products including motor control, power distribution, and instrumentation accessories. A fellow ANZ-focused industrial distributor with a similar multi-brand channel model, though serving a broader electrical rather than process-instrumentation niche.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Duff and Macintosh Pty Ltd social profiles
Digital presenceDuff and Macintosh Pty Ltd compliance and trust
Trust signalCompliance4 records
Duff and Macintosh Pty Ltd financial estimates
Financial estimateRevenue estimate
Valuation estimate
Duff and Macintosh Pty Ltd leadership team
Management profileNumber of profiles
Duff and Macintosh Pty Ltd subsidiaries and ownership
Company hierarchySubsidiaries1 record
Duff and Macintosh Pty Ltd funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Duff and Macintosh Pty Ltd 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 Duff and Macintosh Pty Ltd
What does Duff and Macintosh Pty Ltd do?
Duff and Macintosh Pty Ltd distributes industrial process instrumentation and engineering education equipment across Australia, New Zealand, and the South Pacific. The company supplies flow meters, pressure sensors, level transmitters, valves, process sampling systems, and flameproof instrumentation on behalf of multiple international manufacturers. Its EduTechnics division supplies engineering teaching apparatus to universities, TAFEs, and colleges.
Is Duff and Macintosh Pty Ltd a public or private company?
Duff and Macintosh Pty Ltd is a private company. It is classified as family owned and is currently operating.
When was Duff and Macintosh Pty Ltd founded?
Duff and Macintosh Pty Ltd was founded in 1928. It employs 1 to 10 people.
Where is Duff and Macintosh Pty Ltd based?
Duff and Macintosh Pty Ltd is headquartered in Hornsby, New South Wales, Australia, in the Oceania region.
How does Duff and Macintosh Pty Ltd make money?
One revenue line is on record: industrial Instrumentation Distribution.
Who are Duff and Macintosh Pty Ltd's main competitors?
Broad incumbents on record are ABB, WIKA, Siemens, Emerson, Turck, Honeywell, VEGA, Endress+Hauser and Yokogawa Electric. IPD Group is listed as a regional player.
Does Duff and Macintosh Pty Ltd have an API?
No public API is recorded for Duff and Macintosh Pty Ltd.
What industry is Duff and Macintosh Pty Ltd in?
Duff and Macintosh Pty Ltd's product category is Industrial Process Instrumentation Distribution. Its primary akta.pro industry code is EDAEAIAB, Instructional Equipment & Classroom Tools (Whiteboards, Lab Kits, Manipulatives). Its NAICS code is 334513 and its SIC code is 3823.