What Marshall Instruments does

Marshall Instruments, Inc. is a privately held American manufacturer of precision measurement instruments founded in 1952 and headquartered at 2930 East La Cresta Ave, Anaheim, California. The company produces bourdon tube pressure gauges, bimetal thermometers, needle valves, and electric performance gauges across multiple sub-brands including Marshall, McDaniel, MARSH, SCX, and Comp II LED, with product dial sizes ranging from 1" to 6" and custom configurations including bimetal thermometer stem lengths up to 84 inches and pressure gauge ratings to 10,000 psi. Its technology portfolio centers on patented SCX stepper motor electric gauge movements with through-dial LED lighting and illuminated pointers, complemented by traditional mechanical bourdon tube pressure sensing and bimetal temperature elements, plus field-repairable product designs supported by factory repair services.

The company operates a direct-to-consumer sales model through its website alongside OEM and private label manufacturing programs that accept low minimum order quantities, enabling it to serve both smaller buyers and larger OEM customers. Distribution extends to industrial supply channels carrying McDaniel and MARSH branded gauges. The customer base is segmented across automotive aftermarket (primary, including classic cars, muscle cars, hot rods, and performance vehicles), industrial/process (refineries, chemical plants, offshore platforms, oil rigs, marine), laboratory/research, and OEM manufacturers requiring custom-branded instrumentation.

Revenue is generated exclusively through one-time hardware sales with quote-based pricing for OEM and custom orders; pricing is not publicly disclosed. The company appears to be bootstrapped or founder-owned, with no identified parent company, institutional investors, venture capital backing, or recent ownership changes noted in available materials. No M&A activity, leadership changes, or funding rounds are documented. The product range includes liquid-filled gauges for vibration dampening, severe service and process gauge variants, programmable fuel level senders compatible with multiple Ohm ranges, and needle valves with both soft-seat and metal-to-metal seat configurations rated for caustic and corrosive applications.

Name

Marshall Instruments

Legal name

Marshall Instruments, Inc.

Website

https://marshallinstruments.com

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

11–50 employees

Short description

Marshall Instruments is a privately held Anaheim, California manufacturer of precision gauges and thermometers founded in 1952. It produces pressure gauges, bimetal thermometers, needle valves, and electric performance gauges under the Marshall, McDaniel, MARSH, and SCX brands for automotive aftermarket, industrial, laboratory, and OEM customers.

Ownership category

akta.pro rank

Product category

Industrial Measurement Instruments

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

Sensors & Feedback Devices (Pressure, Flow, Position, Encoders, Transducers) (IMAHAGAK)

akta.pro secondary industry

Automotive Sensors Manufacturing (Position/Pressure/Temp/IMU/Radar/LiDAR Cameras) (IMACAJAD)

Keywords

• Precision measurement instruments
• Performance automotive gauges
• Pressure gauges
• Bimetal thermometers
• Needle valves

Headquarters

HQ city

Anaheim

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Product Sales: One-time sale of precision measurement instruments including pressure gauges, thermometers, and needle valves. Products sold directly to consumers and through OEM/private label arrangements with manufacturers.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Marshall Instruments manufactures precision measurement instruments including performance automotive gauges (SCX full sweep electric gauges with stepper motor technology, Comp II LED short sweep gauges, vintage 60s Muscle gauges), bimetal thermometers for industrial and laboratory use, and McDaniel and MARSH branded pressure gauges for general service, severe service, process, and precision applications. The company also produces needle valves (metal-to-metal seat and soft-seat) and supporting senders/accessories, with OEM and private label manufacturing capabilities and low minimum order quantities.

Product overview

Marshall Instruments is a manufacturer of performance gauges and industrial instrumentation. The company produces three main product categories: (1) Performance Gauges including SCX full sweep electric gauges with stepper motor technology and LED lighting, Comp II LED short sweep gauges, 60s Muscle vintage gauges, and MINI Factory Match gauges for automotive applications; (2) Bimetal Thermometers for industrial and laboratory use in various dial sizes with custom stem lengths; and (3) McDaniel and MARSH branded pressure gauges including General Service, Severe Service, Diaphragm, Process, and Precision Service (Test, Inspector, Quality) models. The product portfolio also includes needle valves and supporting senders/accessories. Products are manufactured in Anaheim, California USA with OEM and private label capabilities.

Differentiator

Problem solved

Functional benefit

Brands

• McDaniel: McDaniel pressure gauges - a product line of industrial pressure gauges sold by Marshall Instruments, including models A through Z and various series (MC3, MCX, MC, MD, MCD) for general service, process, severe service, and specialty applications.
• MARSH
• SCX
• Comp II LED
• SCX Retro Style (Vintage II)

Products and services

• SCX Performance Gauges Full sweep electric gauges featuring stepper motor movement with through-dial LED lighting and illuminated pointers. Available in multiple series including Black, White, Silver, Sport, Retro Style (Vintage II), and Pro models with one-touch peak recall and programmable high/low full dial warning with external alarm output. Targeted at performance automotive applications.
• Comp II LED Gauges Short sweep electric gauges with magnetic field-based pointer deflection and LED snap-in bulb lighting, through-dial LED backlight, and illuminated pointers for night viewing. Available in 2-1/16" and 3-3/8" sizes for performance automotive applications.
• Comp II Gauges Short sweep electric gauges utilizing magnetic deflection technology with incandescent bulb lighting. Legacy product line predating the LED series for performance automotive applications.
• 60s Muscle Gauges Vintage-styled performance gauges inspired by 1960s muscle car instrumentation, featuring period-accurate styling with modern reliability for automotive restoration applications.
• MINI Factory Match Gauges Gauge sets designed specifically for MINI Cooper vehicles with stepper motor technology, peak recall, and programmable warning functions for MINI Cooper owners seeking factory-matched instrumentation.
• Liquid Filled Gauges Mechanical pressure gauges filled with glycerin or silicone for vibration dampening and pulsation protection. Protects internal components and prolongs gauge life in harsh industrial and automotive environments.
• Non-Filled Direct Mount Mechanical Gauges Dry mechanical pressure gauges for applications not requiring liquid filling. Feature bourdon tube technology with direct mounting configuration for industrial and automotive use.
• Bimetal Thermometers Industrial and laboratory bimetal thermometers available in 1", 1.5", 2.25", 3", and 5" dial sizes. Support Fahrenheit, Centigrade, and dual ranges with custom stem lengths from 2.5" to 84" for industrial process and laboratory temperature measurement.
• McDaniel Pressure Gauges Complete line of McDaniel pressure gauges including General Service, Severe Service (63mm and 100mm), Diaphragm, Process, All Stainless, Utility, Capsule, and Series 6/7 models. Feature brass or stainless steel internals with various accuracy grades for industrial pressure measurement.
• MARSH Pressure Gauges Full line of MARSH pressure gauges including Precision Service (Test Gauge, Inspector Test Gauge, Quality Gauge, Elite 100mm), General Service, Severe Service, Diaphragm, and Process models for industrial and precision pressure measurement applications.
• Needle Valves Precision needle valves including Metal-to-Metal Seat (NEEDLE-VHS, rated to 10,000 psi / 70,000 kPa, 316 stainless steel for caustic and corrosive applications) and Soft-Seat (NEEDLE-VSS, rated to 6,000 psi / 42,000 kPa, with replaceable Delrin soft seat and Teflon packing) for industrial flow control.
• Engine Thermometers Dial thermometers for engine monitoring available in 1.4" and 2" sizes with various dial styles including Marshall logo, engine turned, and shock proof flag designs for automotive applications.
• Gauge Senders and Accessories Supporting senders and accessories including oil pressure senders (9200, 9205), temperature senders (9201, 9204), fuel level interfaces, hall effect speed senders (GM/Mopar 9220, FORD 9222), tachometer filters, and dimmer switches for gauge systems.
• OEM and Private Label Gauge Manufacturing Custom OEM and private label gauge manufacturing services with competitive pricing and low minimum order quantities, allowing manufacturers to obtain custom-branded measurement instruments tailored to their product specifications.

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Classic Instruments: Classic Instruments designs and manufactures direct-fit and custom gauge kits for classic and muscle cars, including 1960s-styled offerings comparable to Marshall's 60s Muscle and SCX Retro Style lines.
• NOSHOK: NOSHOK manufactures pressure gauges, temperature instrumentation, and needle valves for industrial process applications, directly overlapping with Marshall's McDaniel and MARSH pressure gauge lines and needle valve offering.
• Auto Meter Products: Auto Meter is a leading US manufacturer of aftermarket automotive performance gauges, tachometers, and instrumentation. Direct overlap with Marshall's SCX and Comp II product lines in the performance vehicle gauge category.
• Dakota Digital: Dakota Digital produces digital and analog aftermarket gauge systems for hot rods, classics, and custom vehicles, competing in the same performance and vintage instrument category as Marshall's SCX and MINI Factory Match lines.
• Stewart Warner: Stewart Warner is a heritage US brand producing performance and classic vehicle gauges and instrumentation, with direct comparability to Marshall's SCX and 60s Muscle product lines in the automotive aftermarket segment.

Broad incumbents

• Ametek Inc. Ametek's instrumentation segment manufactures pressure gauges, calibrators, and industrial sensors under brands like U.S. Gauge and Crystal Engineering, competing in the same industrial measurement category as Marshall's pressure gauge business.
• Ashcroft Inc. Ashcroft is a long-established US manufacturer of pressure and temperature instrumentation for process industries. Comparable to Marshall's McDaniel and MARSH brands in industrial pressure gauges, but with a substantially larger catalog and global distribution.
• Holley Performance Products: Holley is a large US performance automotive aftermarket company that includes a range of in-dash and performance instrumentation. It competes with Marshall in the performance gauge category but operates at significantly greater scale and product breadth.
• Swagelok: Swagelok is a major manufacturer of fluid system components including needle valves, fittings, and pressure gauges. Its needle valve and pressure gauge product lines directly overlap with Marshall's offerings, though Swagelok serves a much broader fluid handling scope.
• WIKA Instrument: WIKA is a global leader in pressure, temperature, and level measurement with a broad industrial portfolio. It overlaps with Marshall's McDaniel/MARSH industrial pressure gauges and bimetal thermometers, but serves a much wider range of process and industrial customers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

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 Marshall Instruments