Morehouse Instrument Co
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Tri-State Instrument Laboratory
🇺🇸 United States
195911-50 peopleTrading Company/Service Company/Distributor/ManufacturerEstablished brand
Product customization
OEM manufacturer
Shipments
19
Key customer
APURVI INDUSTRIAL
Description
Tri-State Instrument Laboratory, established in 1959, is a Tulsa, US-based company operating as a manufacturer, distributor, and service provider of electrical and electronic instrumentation. With over 60 years of experience, the company employs 11 to 50 people and specializes in sales, service, calibration, and distribution. They are a factory-authorized center for modifying Hoyt and Simpson digital and analog meters and offer over 15 calibration services. Tri-State Instrument Laboratory manufactures voltage dividers and motor rotation and phase sequence indicators, alongside their own handcrafted TSW line of products. They also distribute a wide range of electronic test equipment and components, including megohmmeters, process calibrators, clamp meters, thermometers, multimeters, panel meters, ammeters, transformers, DC shunts, switchboard meters, power transducers, oscilloscopes, data loggers, and power quality analyzers. The company distributes products from leading manufacturers such as Amprobe, AEMC, Fluke, Extech, Hoyt, Ideal, Simpson, ThermoProbe, and Instrument Transformers Inc., catering to diverse industry needs with a focus on quick turnaround and continuous improvement.
Panel Meters
Multimeters
Thermometers
Clamp Meters
Calibration Services
Other Products
Panel Meters
Multimeters
Thermometers
Clamp Meters
Calibration Services
Process Calibrators
Mahr Inc.
🇺🇸 United States
186151-100 peopleManufacturer/Service Company/Trading CompanyEstablished brand
Product customization
Patented technology
High-tech enterprise
Shipments
5048
Key customer
MAHR METROLOGY
Key market
🇮🇳 India
Description
Mahr Inc., a member of the Mahr Group, is a premier manufacturer and service provider of dimensional metrology equipment with over 160 years of industry experience. Founded in 1861 and headquartered in Providence, Rhode Island, the company has evolved from a family business into a global leader in precision measurement, serving critical sectors such as aerospace, automotive, medical, and optical production. Mahr Inc. operates with a workforce of 51 to 200 employees at its primary US locations, while the broader Mahr Group maintains a vast international network across the Americas, Europe, and Asia.
The company specializes in a comprehensive range of measurement solutions, from manual handheld tools like digital calipers, micrometers, and dial indicators to advanced, fully automated metrology systems. Their extensive product portfolio includes surface roughness testers, contour measuring instruments, form and shaft metrology systems, and optical measuring microscopes. Beyond metrology, Mahr provides high-precision rotary stroke bearings and gear metering pumps for liquid and paste applications. Many of their digital instruments feature integrated wireless data transmission to support modern manufacturing environments.
As an ISO 9001 certified manufacturer with ISO/IEC 17025 accredited calibration laboratories, Mahr Inc. emphasizes quality assurance and technical excellence. Their capabilities extend beyond standard product manufacturing to include custom-designed gages, contract measurement services, and technical training through the Mahr Academy. The company also offers maintenance, repair, and modernization services to ensure the longevity and accuracy of their precision instruments.
Roughness metrology
Length metrology & components
Cylinder coordinate metrology
Optical metrology
Microscopes
Shaft metrology
Calibration & setting machines
Second-hand machinery portal
Handheld gages
Height measuring instruments
Form and position metrology
Contour metrology
