Dorsey Metrology International

What Dorsey Metrology International does

Dorsey Metrology International is a third-generation, family-owned manufacturer of precision dimensional measurement instruments, headquartered and producing entirely in Poughkeepsie, New York since its 1955 founding as The Dorsey Gage Company. Its catalog spans dial indicators (graduations to 0.00002 inch), digital indicators, modular bore gages, snap gages, large-diameter gages (up to 240 inches / 6000 mm), depth and bench gages, optical comparators (14-32 inch screens), video inspection systems, and setmasters, supplemented by proprietary carbon fiber C-frame construction and jam-proof mechanisms. The company is positioned as one of the largest optical comparator suppliers in the USA following its January 2019 acquisition of S-T Industries' optical comparator and vision system lines.

The firm operates a multi-stream revenue model: one-time sales of standard catalog instruments through a global network of approximately 70+ authorized distributors and a direct e-commerce storefront, custom gage engineering services quoted against customer part prints, contract manufacturing (CNC machining with lights-out capability, grinding, welding, assembly), repair and spare-parts services for Dorsey and legacy Standard Gage products, and an A2LA ISO 17025-accredited calibration laboratory achieving measurement resolution to 0.0000010 inch with NIST traceability. Customers span aerospace, automotive, medical device, defense, and general manufacturing — from small job shops to Fortune 500 OEMs.

Dorsey sells primarily via channel partners supplemented by direct enterprise engagement for custom solutions, calibrations, and contract manufacturing, with trade-show presence at IMTS, EASTEC, MD&M West, Quality Expo, and Quality Show Nashville serving as a key demand-generation channel. The business holds WBENC women-owned certification (valid through 2027) and is privately held with no disclosed institutional investors or external funding.

Name

Dorsey Metrology International

Legal name

Dorsey Metrology International, Inc.

Website

https://dorseymetrology.com

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

11–50 employees

Short description

Dorsey Metrology International is a third-generation, family-owned Poughkeepsie, NY manufacturer of precision dimensional measurement instruments — dial indicators, bore gages, snap gages, optical comparators, and large-diameter gages — serving aerospace, automotive, medical, defense, and general manufacturing customers via a global distributor network, direct sales, calibration, and contract manufacturing services.

Ownership category

akta.pro rank

Product category

Precision Measurement Instruments

NAICS

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Optical Instruments & Lenses (3827)

akta.pro primary industry

Metrology & Dimensional Measurement (CMMs, laser trackers, gauges, surface/roughness) (IMAGAFAD)

akta.pro secondary industries

Calibration Services & Standards (Calibration labs, reference standards, traceability services) (IMAGAFAH), Metrology, Inspection & Machine Tool Accessories (CMMs, Probing, Gauging) (IMAHADAK), Metrology & Inspection Systems (CMM, Laser Trackers, Optical Comparators) (IMAAAHAC)

Keywords

• Precision metrology instruments
• Dial indicators gages
• Optical comparators
• Large diameter gages
• Calibration services

Headquarters

HQ city

Poughkeepsie

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D

Revenue model

1. Precision Measurement Instruments: Dorsey manufactures and sells a broad catalog of precision dimensional measurement instruments including dial indicators, digital indicators, bore gages, snap gages, large diameter gages, depth gages, bench gages, optical comparators, video inspection systems, setmasters, and accessories. Products are sold through distributors and direct e-commerce. Revenue is generated through one-time product sales and replacement parts.
2. Calibration Services: Dorsey's ISO 17025-accredited calibration laboratory calibrates the full line of Dorsey and Standard Gage products. Offers both ISO 17025 Accredited Calibrations and Long Form Certifications. Revenue is generated on a per-calibration basis for customer-owned instruments.
3. Contract Manufacturing Services: Provides CNC machining, production grinding, assembly services (mechanical and electromechanical), and welding services to external customers. Enables customers to source precision-machined components as a single-source solution. Revenue generated through project-based manufacturing contracts.
4. Custom Metrology / Engineering Solutions: Custom gage design and engineering services where Dorsey engineers design and build bespoke measurement solutions based on customer part prints. Revenue is generated through engineering consultation and custom product development quotes.
5. Repair Services and Spare Parts: Dorsey stocks spare parts for all Dorsey and Standard Gage products and offers repair services for the full product line. Revenue from repair labor and replacement parts.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Dorsey Metrology International manufactures precision dimensional measurement instruments, including dial indicators, digital indicators, bore gages, snap gages, large diameter gages (up to 240 inches), optical comparators (14 to 32 inch screens), video inspection systems, and setmasters/calibration standards. The company also offers A2LA ISO 17025-accredited calibration services, custom gage engineering, contract manufacturing (CNC machining, grinding, welding, assembly), and repair services with spare parts for Dorsey and Standard Gage products.

Product overview

Dorsey Metrology International is a third-generation manufacturer of precision dimensional measurement instruments offering a comprehensive portfolio of hand-held and bench-top products organized into six main categories: Indicating Devices (Jam Proof and Traditional Dial Indicators, Digital Indicators), ID/OD Gages (Bore Gages in DBL and Standard Series, Snap Gages, Groove Gages, Universal Gages), Large Diameter Gages (LDA/LDF/LDR/LDB Series including Carbon Fiber C-Frame options), Optical Comparators (14-32 inch screens with manual/CNC stages), and Calibration Standards (Setmasters, Ring Masters, Disc Masters). The company also provides four service offerings: ISO 17025-accredited Calibration, Contract Manufacturing (CNC machining, grinding, welding, assembly), Custom Metrology Engineering, and Repair Services. All instruments are designed to work with Dorsey's family of 'High Amplification' and 'Traditional' dial indicators or digital indicating devices. Founded in 1955 and designated as a Women-Owned Business by WBENC, Dorsey serves aerospace, automotive, medical, defense, and general manufacturing industries.

Differentiator

Problem solved

Functional benefit

Brands

• Standard Gage: Dial bore gages and snap gages that are the benchmark for gage inspection in America
• S-T Industries

Products and services

• Dial Indicators (Jam Proof and Traditional) Precision dial indicators with graduations to 0.00002 inch, including Dorsey's proprietary jam-proof and high-amplification variants designed to resist gear binding and provide higher measurement sensitivity in harsh shop-floor environments. Sold to manufacturers across aerospace, automotive, medical, defense, and general manufacturing.
• Digital Indicators Digital indicating devices for precision measurement applications, designed to work with Dorsey's family of dial indicators or as standalone digital units. Sold to industrial manufacturing customers requiring traceable digital readout.
• Bore Gages (DBL and Standard Series) Adjustable bore gages for inside-diameter measurement including DBL Series with modular design for large bore diameters and deep bore evaluation, plus the Standard Series bore gages available in multiple sizes (#2 through #8 styles). Sold to manufacturing customers for bore inspection.
• Snap Gages Outside diameter measuring instruments including SDN Style, SSG Style, Long Range, and Versatile Snap Gages for measuring round parts such as shafts and thickness of components. Sold to manufacturers for OD inspection.
• Large Diameter Gages Precision instruments for measuring large components in the 60 to 240 inch (1500 to 6000 mm) range including the LDA, LDF, LBBS, LDDA, LDDF, LDLTA, LDLTF, LDVA, LDRA, LDAR, LDR, and LDB series. Sold to manufacturers requiring large part dimensional inspection.
• Carbon Fiber C-Frame Gages Large diameter gages featuring carbon fiber construction offering lighter weight, increased strength, thermal stability, and corrosion resistance compared to traditional metal frames. Made in USA. Sold to manufacturers requiring high-stability large component measurement.
• Optical Comparators (14 to 32 inch screens) Complete line of optical comparators with screens from 14 to 32 inches (14HE, 14H, 16H, 16VS, 24P, 32P) designed with tight tolerances to maintain uncompensated absolute inherent accuracy. Available with manual and CNC stages in horizontal and vertical configurations. Sold to manufacturers for optical profile inspection.
• Video Inspection Systems (8700/9100/9700 Series) Modern digital video inspection systems (8700, 9100, 9700 Series) integrated with Dorsey's optical comparator product line. Sold to manufacturers for digital inspection of components.
• Setmasters and Calibration Masters

Quantifiable outcome

• Calibration resolution to 0.0000010 inch (one millionth of an inch) with NIST-traceable primary standards
• +4 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

One partnership is on record.

• S-T Industries (Acquisition of Optical Comparator Lines)coreOEM/ Whitelabel/ Licensing Partner · 30 January 2019On January 30, 2019, Dorsey Metrology International announced it had acquired the Optical Comparator and Vision System product lines from S-T Industries, which had announced its closure on September 28, 2018. Dorsey acquired all engineering files needed to continue servicing S-T products in the field. Integration was completed in Q3 2019, making Dorsey one of the largest optical comparator suppliers in the USA.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Federal Products (Mahr Federal): Legacy US precision metrology brand (now part of Mahr) producing dimensional gages, dial indicators, and optical comparators. Historically a direct US competitor to Dorsey with overlapping product lines in dial indicators and surface plate measurement.
• Mahr Group: German precision metrology manufacturer producing dimensional measurement instruments including dial indicators, bore gages, and optical comparators. Direct competitor to Dorsey in dial indicators and bore gages, with stronger European distribution but similar product philosophy.
• Gagemaker: US-based manufacturer of precision thread gages and API gaging for oil & gas, including setting masters and thread measurement systems. Comparable to Dorsey's specialty gaging approach for industrial customers with demanding tolerance requirements.
• Fowler (Sylvac): US distributor of precision measurement instruments under the Fowler High Precision brand (now part of Sylvac), offering dial indicators, bore gages, calipers, and electronic gaging. Direct US-market peer to Dorsey in shop-floor dimensional measurement.
• Thread Check Inc. US supplier of thread gages, measuring instruments, and calibration services with a similar product mix of dimensional measurement tools. Comparable to Dorsey in gaging product offering and independent calibration services.
• Vermont Gage: US manufacturer of precision plug gages, thread gages, and custom dimensional measurement tools. Comparable to Dorsey as a small US manufacturer of precision gaging products for industrial machine shops and aerospace customers.
• Pennoyer-Dodge Company: US distributor specializing in optical comparators and vision measurement systems from European manufacturers (including previously S-T Industries). Directly comparable to Dorsey's optical comparator product line following Dorsey's S-T Industries acquisition.

Broad incumbents

• Hexagon Manufacturing Intelligence: Global leader in metrology including CMMs, portable measuring arms, laser trackers, and optical systems. Relevant as a broad incumbent whose portfolio expansion toward digital metrology could displace traditional gaging suppliers like Dorsey over time.
• Mitutoyo: Global leader in precision measurement with an extremely broad dimensional metrology catalog including calipers, micrometers, dial indicators, bore gages, CMMs, and vision systems. Directly comparable to Dorsey's product categories but at much greater scale, with significant R&D and digital-product investment.
• L.S. Starrett Company: US-based 140+ year manufacturer of precision measurement tools, including micrometers, calipers, optical comparators, and gages. Comparable to Dorsey as a US-headquartered legacy metrology brand serving industrial customers with overlapping dial indicator, gage, and comparator product lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/dorsey-metrology-international
• Xx.com/dorseymetrology
• Facebookfacebook.com/dorseymetrology

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Dorsey Metrology International