Express Calibration Services

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ESSCO Calibration Laboratory

🇺🇸 United States

1961

51-100 people

Service Company/Manufacturer

Established brand

Industry association member

Shipments

Key customer

LUFTHANSA TECHNIK

Key market

North America

Description

ESSCO Calibration Laboratory, a division of Walsh Engineering Services, Inc., is a leading contract manufacturer and service company based in Chelmsford, MA. Established in 1961, the company has grown to employ between 51 and 100 people, with reported annual sales between $5 million and $9.9 million. ESSCO is recognized as New England’s largest and most diverse calibration and repair laboratory, offering both in-lab and on-site services. They specialize in a comprehensive range of calibration services, including electronic, mechanical, dimensional, temperature, pressure, flow, torque, force, fiber optic, humidity, vacuum, and mass calibration. Their capabilities extend to specific instruments such as pipettes, thermal mass flowmeters, accelerometers, autoclaves, control systems, and current shunts. The company holds multiple certifications, including ISO 9001, ISO/IEC 17025:2017 (accredited by NVLAP and A2LA), ISO/IEC 17025:2005, ISO 9001:2015, ISO 9001:2000, and ANSI/NCSL Z540-1-1994, ensuring all calibrations are traceable to NIST standards. ESSCO also provides repair, maintenance, and parts/equipment sales, serving various industries including aerospace, automotive, medical, and manufacturing, with local pick-up and delivery services in New England.

In-Lab Calibration

Calibration Services You Can Count On

Serving New England

Constant expansion of our capabilities

A Process That Ensures Consistent, Reliable Results

At Essco, Our Business is Our People

Custom Calibration Solutions, LLC

🇺🇸 United States

2005

11-50 people

Service Company/Trading Company/Distributor

Established brand

Own brand

Multinational enterprise

OEM manufacturer

Shipments

Key customer

GF MICRO OPTICS

Key market

🇺🇸 United States

Description

Custom Calibration Solutions, LLC, also known as Custom-Cal, is an ISO/IEC 17025 accredited service provider and distributor specializing in the calibration, repair, and sale of sophisticated electronic test equipment. Founded in 2005 and headquartered in Hamilton, New Jersey, the company is a veteran-owned small business with additional facilities in Florida, Oregon, and international presence in Canada and Hong Kong. They operate a 15,000 sq. ft. laboratory and employ a team of 11 to 50 professionals dedicated to high-precision metrology and technical support. The company specializes in complex RF, microwave, fiber optic, and communications test instruments, often supporting equipment that is considered end-of-life (EOL) or obsolete by original manufacturers. Their extensive service portfolio includes on-site calibration to minimize client downtime, laboratory repair services, and a comprehensive marketplace for new and refurbished test equipment. Key product categories include spectrum analyzers, network analyzers, fusion splicers, oscilloscopes, and LIDAR calibration equipment from major brands such as Agilent/Keysight, Anritsu, Tektronix, Fluke, and Rohde & Schwarz. Custom Calibration Solutions distinguishes itself through its "Buyer Assurance" program, which provides unbiased inspection and appraisal for used equipment to reduce procurement risk. By utilizing in-house resources for complex optical and RF repairs, the company offers a cost-effective alternative to OEM services, frequently saving clients up to 40% on maintenance costs. They serve a diverse range of industries across North America, Europe, and Asia, including telecommunications, medical equipment manufacturing, and aerospace.