Koslow Scientific Company

What Koslow Scientific Company does

Koslow Scientific Company, founded in 1966 by electrochemist Dr. Ralf H. Koslow and headquartered in Englewood, New Jersey, manufactures electrochemical quality-control instruments for metal alloy identification, stainless-steel passivation testing, and reference electrochemistry. The company sells three core product families: spot-test chemical alloy ID kits (e.g., The Spotter 316, Steel Alloy Testing Pro Kit, Metal Detective Lab covering up to 21 elements); thermo-electric alloy sorters using the Seebeck Effect, including the bench-top Prospector (TE-3000-HDX) and handheld Alloy Ranger (TE-4000), which align with ASTM E977; and passivation testers (Passi-Color, Passi-Tester, Passi-Pipe Explorer, Passi-Flash) certified to ASME BPE 2009/2014 standards with NIST-traceable calibration. The full catalog spans 126+ SKUs ranging from $360 to $7,990, supported by recurring consumables (refill solutions, test strips, cartridges) and an annual factory calibration service. Koslow sells direct to customers through koslow.com and phone sales with no U.S. distributors, supplemented by designated international dealers and supported by in-house technical specialists who provide free test-and-evaluation services. Customers include NASA, GE, Rolls-Royce, Apple, Siemens, Sanofi, Johnson & Johnson, Teva, Thermo Fisher, Praxair, Westinghouse, Swagelok, and Flowserve across pharmaceutical, aerospace, energy, and industrial-automation verticals. The company remains family-owned under second-generation leader Wolf Koslow and his wife Lauren Koslow, with no external investors or parent company.

Name

Koslow Scientific Company

Legal name

Koslow Scientific Company

Website

https://koslow.com

Company type

Private

Founded year

1966

Operating status

Operating

Headcount range

11–50 employees

Short description

Koslow Scientific Company, a family-owned Englewood, NJ manufacturer founded in 1966, sells electrochemical spot-test kits, thermo-electric alloy sorters, and passivation testers to industrial, pharmaceutical, and aerospace quality-control buyers worldwide via direct e-commerce.

Ownership category

akta.pro rank

Product category

Material Testing Instruments

NAICS

Analytical Laboratory Instrument Manufacturing (334516), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Laboratory Analytical Instruments (3826), Industrial Instruments For Measurement, Display, And Control (3823), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Metrology, Calibration & Testing Equipment (Balances, pH/DO, Standards) (HLAGAIAL)

akta.pro secondary industry

Release Testing & Batch Certification (QC) (HLAGADAC)

Keywords

• Metal alloy testing kits
• Passivation testing instruments
• Reference electrodes
• Thermo-electric sorters
• Material identification kits

Headquarters

HQ city

Englewood

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Testing Equipment Sales: One-time sale of testing instruments including Alloy Sorting Kits, Passivation Testers, and Reference Electrode Kits. Prices range from approximately $360 to $7,990 depending on complexity and capabilities.
2. Consumables and Refills: Recurring revenue from replacement solutions, test papers, probe tips, cartridges, and accessories. Testing solutions are 1-ounce bottles providing approximately 800 drops. Refill solutions and consumables available for all product lines.
3. Calibration Services: Annual factory calibration services for instruments, including NIST-traceable certificate of calibration. Recommended annual calibration with repair and maintenance services.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Koslow Scientific Company manufactures and sells field-portable testing instruments and laboratory kits for the rapid identification and sorting of metal alloys, for passivation testing of stainless steel surfaces, and for electrochemistry reference measurements. Its product portfolio spans spot-test alloy ID kits (e.g., Stainless Steel Inspector's Kit, Metal Finishing Lab, Steel Alloy Testing Pro Kit, Tank Alloy Test Kit, Aluminum Grade Manager), thermo-electric alloy sorting instruments (the Prospector TE-3000-HDX and the Alloy Ranger TE-4000), passivation testers (Passi-Flash, Passi-Pipe Explorer, Passi-Tester, Passi-Color), and reference electrode kits (calomel, silver/silver chloride, mercury/mercurous sulfate, mercury oxide, non-aqueous), supported by recurring refill consumables and calibration services.

Product overview

Koslow Scientific Company is a globally recognized manufacturer of quality control and testing instruments founded in 1966. The company offers three core product lines: (1) Alloy Sorting Kits utilizing spot-test chemical methods and thermo-electric alloy sorters for identifying and sorting industrial metals including stainless steel, tool steel, low alloy steel, aluminum, titanium, and detecting coatings; (2) Passivation Testers for evaluating stainless steel corrosion resistance in pharmaceutical, food, and beverage applications; and (3) Reference Electrode Kits for electrochemistry applications. Key products include The Spotter 316 verification kit, The Prospector (TE-3000-HDX) bench-top sorter, The Alloy Ranger (TE-4000) handheld sorter, Passi-Flash/Passi-Pipe Explorer/Passi-Tester passivation testers, and various reference electrodes (Saturated Calomel, Silver/Silver Chloride, Mercury Sulfate). The company also provides comprehensive refills, accessories, and replacement parts for all product lines, including calibration services with NIST traceability.

Differentiator

Problem solved

Functional benefit

Products and services

• The Prospector (TE-3000-HDX)

Quantifiable outcome

• Thermo-Electric sorting completes in 1 second per test
• +4 more outcomes

Named customers15 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

Feature3 records

Scale indicators3 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Bruker: Bruker's handheld XRF product line (e.g., S1 TITAN) directly competes with Koslow's alloy sorters in positive material identification (PMI) and metal verification applications across aerospace and industrial customers.
• Oxford Instruments: Oxford Instruments produces XRF analyzers and analytical tools for materials characterization, serving overlapping PMI and alloy verification applications with Koslow's testing kits in industrial and academic settings.
• SPECTRO Analytical Instruments (Ametek): SPECTRO manufactures metal analyzers and XRF/OES spectrometers that serve overlapping PMI and alloy verification use cases with Koslow's thermo-electric and spot-test methods, particularly in metals and aerospace.
• Helmut Fischer (Fischer Technology): Fischer specializes in coating thickness measurement, material testing, and electrochemical instrumentation—directly comparable to Koslow's passivation testers and reference electrodes for surface and corrosion testing.
• Elcometer: Elcometer manufactures inspection and coating testing instruments (coating thickness, adhesion, surface profile) that overlap with Koslow's Passi-Tester and Passi-Flash passivation/coating inspection products in industrial QC applications.
• Olympus (Evident Scientific): Handheld XRF alloy analyzers (formerly Olympus, now Evident) are the most direct substitute for Koslow's TEAS and spot-test alloy identification kits. Both serve QC inspectors verifying incoming/outgoing alloys in aerospace, pharma, and industrial settings.
• Hitachi High-Tech: Hitachi's X-MET series handheld XRF analyzers compete head-to-head with Koslow's TE-3000 and TE-4000 alloy sorters for rapid alloy identification in scrap yards, fabrication shops, and aerospace QC.

Emerging players

• Gamry Instruments: Gamry manufactures electrochemical workstations, reference electrodes, and potentiostats that compete with Koslow's reference electrode kits and overlap in passivation/corrosion measurement use cases for research and QC labs.

Broad incumbents

• Thermo Fisher Scientific: Thermo Fisher's Niton handheld XRF line and broader analytical instrument portfolio overlaps with Koslow's alloy identification business. Notably, Thermo Fisher is also a Koslow customer, illustrating both competition and ecosystem overlap.

Regional players

• Buehler (Illinois Tool Works): Buehler provides metallographic sample preparation and hardness testing equipment serving similar materials characterization and metallurgical QA workflows as Koslow's alloy verification kits, though focused more on lab sample prep than field identification.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@koslowscientificcompany/featured
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• LinkedInlinkedin.com/company/koslow-scientific-company

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Koslow Scientific Company