Marsh Instruments

Name

Marsh Instruments

Legal name

Marsh Instruments, A Division of Engineered Specialty Products, Inc.

Website

https://marshgauges.com

Company type

Private

Founded year

1865

Operating status

Operating

Headcount range

51–100 employees

Short description

Marsh Instruments, a division of Engineered Specialty Products within the Marsh Bellofram Group, manufactures mechanical pressure gauges, thermometers, thermowells, diaphragm seals, and accessories, serving OEMs and industrial verticals including oil & gas, power generation, chemical, HVAC, and medical across a 100+ U.S. distributor network.

Ownership category

akta.pro rank

Product category

Industrial Instrumentation

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

Weighing & Force Measurement (Load cells, scales, torque, strain measurement) (IMAGAFAF)

akta.pro secondary industries

Sensors & Feedback Devices (Pressure, Flow, Position, Encoders, Transducers) (IMAHAGAK), Pneumatic Components (FRLs, Cylinders, Valves) (IMAHAGAC)

Keywords

• Industrial pressure gauges
• Bimetal thermometers
• Diaphragm seals
• Thermowells
• Process instrumentation

Headquarters

HQ city

Kennesaw

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Pressure Gauge Sales: Marsh Instruments generates revenue through the sale of pressure gauges across multiple product lines including general service, heavy duty, liquid filled, process, test, and special application gauges. Products range from vacuum to 20,000 psi pressure ratings.
2. Temperature Instrument Sales: Revenue from bimetal thermometers, industrial thermometers, tridicators, digital thermometers, and pocket thermometers for various industrial and commercial applications.
3. Accessory Products: Sales of accessories including diaphragm seals, thermowells, cooling towers, gauge cocks, ball valves, needle valves, snubbers, and siphons to complement core instrumentation products.
4. Custom/OEM Products: Custom-designed gauges and OEM products manufactured to specific customer specifications for specialized industrial applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Marsh Instruments designs, manufactures, and supplies pressure gauges, thermometers, thermowells, diaphragm seals, and accessories for industrial process applications. The product line covers pressure ranges from vacuum to 20,000 psi and dial sizes from 1 inch through 10 inches, with materials including copper alloy, 316 stainless steel, and Monel internals. The company also offers custom and OEM gauge manufacturing through an engineer-to-engineer consultation model.

Product overview

Marsh Instruments is a manufacturer of pressure gauges, thermometers, thermowells, diaphragm seals, and accessories. The product portfolio includes comprehensive pressure gauge lines (Differential, Process, Test, Liquid Filled, Heavy Duty Dry, Low Pressure, HVAC/Refrigeration, and Custom), bimetal and digital thermometers (L0, L11/L31/L51, L33/L53, L80, Y Series, Y12, Y14), thermowells (M Series, Flanged, Custom), diaphragm seals (13000, 13040, 130HP, 130LP, 14040, 140FL, DSP Series), and accessories (Cooling Towers, Gauge Cocks, Needle Valves, Siphons, Snubbers). Products serve industries including Oil & Gas, Chemical/Petrochemical, Power Generation, HVAC, Pulp & Paper, Medical, Hydraulics, Water/Wastewater, and Food & Beverage. Founded in 1865, the company operates as a division of Engineered Specialty Products, Inc. (Marsh Bellofram Group) with manufacturing on three continents.

Differentiator

Problem solved

Functional benefit

Brands

• BelGAS: BelGAS brand needle valves for applications requiring multi-turn valves, available in stainless steel and carbon steel with 6,000 or 10,000 PSI pressure ratings.

Products and services

• Pressure Gauges Comprehensive pressure gauge line covering vacuum to 20,000 psi, with sub-categories including digital, differential, general service (DRY), heavy duty (DRY), liquid filled, low pressure, process, HVAC/refrigeration, test, special application, and custom gauges. Built with materials such as copper alloy, 316 stainless steel, and Monel internals and conform to ASME B40.1 standards.
• Thermometers Bimetal and digital thermometers for industrial temperature measurement. Includes L0 Series Digital and Pocket, L11/L31/L51 Fixed Back Mount, L33/L53 Adjustable Angle, L80 Hot Water, Y Series Round Face, Y Series Square Face Tridicator, Y12 Industrial, and Y14 Series thermometers.
• Thermowells Protective sheaths that allow safe installation and removal of temperature instruments. Available in M Series Lagging, M Series Non-Lagging, Flanged Thermowells, and Custom configurations in threaded, flanged, clamped, and weld-in styles.
• Diaphragm Seals Isolation devices that separate pressure gauges from process media. Product lines include 13000 Series, 13040 Series, 130HP Series, 130LP Series, 14040 Series, 140FL Series, and DSP Series diaphragm seals for chemical compatibility and harsh media.
• Instrument Accessories Instrument accessories including Cooling Towers, Gauge Cock/Ball Valves, Needle Valves, Siphons, and Snubbers designed to enhance instrument performance and protect against harsh operating conditions.
• Custom and OEM Gauges Custom gauge manufacturing for OEM and special application requirements. Marsh engineers collaborate directly with customer engineering teams to design instruments for specific needs, ranging from simple custom dials, cases, connections, and colors to complete prototyping for OEM integration.
• Differential Pressure Gauges Gauges that measure the difference between two inlet pressures in a single instrument. Available in diaphragm-type and piston-type configurations with options for aluminum or 316SS wetted parts, dial sizes from 2.5" to 6", and static pressures up to 6000 PSI, in various mounting configurations.

Segments10 records

Ideal customer profiles7 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core.

• Engineered Specialty Products, Inc.coreOthersMarsh Instruments operates as a division of Engineered Specialty Products, Inc., which is part of the Marsh Bellofram Group of Companies headquartered in Newell, W.Va.
• The Marsh Bellofram Group of CompaniescoreOthersMarsh Instruments is a division of the Marsh Bellofram Group of Companies, an AS9100D and ISO9001:2015 certified global manufacturing collective producing high-performance OEM, industrial, and process control instrumentation.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Market position

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/marsh-instruments

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Marsh Instruments