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  7. LaMotte Company
LaMotte Company logo

LaMotte Company

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Chestertown, MD 21620
800-344-3100
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At a glance

Employee size
201-500
Organization type
Privately Held
Headquarters
Chestertown, MD
Founded
1919

About

Founded in Baltimore in October 1919, LaMotte Company makes portable and laboratory water-analysis equipment for professionals, educators, and homeowners. Frank L. LaMotte began with the first domestically produced pH test kits, and the company has since developed technologies including DPD chlorine testing, electronic colorimeters, and Spin Touch systems. Based in Maryland with expanded manufacturing and R&D capacity in Delaware, LaMotte serves more than 75 countries across applications ranging from drinking water and wastewater to pools and aquaculture.

Capabilities and markets

Products

Materials worked

Service offerings

Economic activities

End markets served

Directory supply chains

Classification

NAICS codes

Certifications and registrations

Certifications

  • EMC/Safety Declaration of Conformity

  • General Conformity Certificate

  • EPA Accepted Compliance

    Compliance program

  • EPA 180.1

    Compliance program

  • ISO 7027

  • NSF Certification

  • Certificates of Analysis

  • NSF

    Quality certification

Related manufacturers

  • AquaPhoenix Scientific logoAquaPhoenix ScientificAquaPhoenix Scientific brings water testing and chemical management together, manufacturing reagents and test kits while building feed-and-control equipment at its Hanover, Pennsylvania facility. Its in-house chemists and engineering team also develop customer-specific formulations, private-label products, and custom control panels, giving the company a distinctly hands-on role from testing through treatment. Manufacturing is supported by an ISO 9001:2015-certified quality management system and continuous-improvement practices.HANOVER, PA
  • Waters Corporation logoWaters CorporationWaters Corporation is a life sciences and diagnostics company that develops analytical technologies, informatics, and services, including liquid chromatography and mass spectrometry systems. Founded as Waters Associates in Framingham, Massachusetts, in 1958, it traces its history to founder Jim Waters and his work advancing liquid chromatography. Its technologies support regulated testing and research, including medicine development, food and water safety, and diagnostic applications.SHARPSBURG, PA
  • Taylor Water Technologies logoTaylor Water TechnologiesTaylor Water Technologies manufactures water-testing products and has been a water-testing specialist for nearly a century. The company describes its solutions as produced at Taylor facilities and serves pool and spa, aquarium, and industrial water-testing applications.SPARKS, MD
  • Apera Instruments, LLC logoApera Instruments, LLCSince 1991, Apera Instruments has designed and manufactured electrochemical sensors and meters that help users measure water quality, with its specialty extending from pocket testers to laboratory instruments. The company makes key components in-house, particularly its electrodes, and operates an ISO 9001:2015-certified manufacturing facility; its products are used in more than 60 countries. Apera serves everyone from researchers to hobbyist growers, including with instruments tailored to challenging samples such as pure water, viscous liquids, and high-salinity solutions.COLUMBUS, OH
More manufacturers in Maryland

Contact information

Website

lamotte.com

Phone numbers

  • 800-344-3100
  • 410-778-3100

Social

Locations

LaMotte Company location map for 802 WASHINGTON AVE PO BOX 329

802 Washington Ave Po Box 329

Chestertown, MD 21620

Kent County

Get directions
LaMotte Company location map for 110 LAKE DR

110 Lake Dr

Newark, DE 19702

New Castle County

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LaMotte Company location map for 802 WASHINGTON AVE

802 Washington Ave

Chestertown, MD 21620

Kent County

Get directions
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Directory source

Source
lamotte.com
Updated
Sep 2026