Founded in Charleston in 1959, PresSure Products Company manufactures industrial sight glasses, sight flow indicators, liquid level gauges and related process equipment in the USA. Its Process Equipment Division builds standard and custom units for demanding temperature and pressure applications, while the company also provides factory repairs, installation audits and technical training. PPC serves customers across private industry, government laboratories and universities, with serial-number records for its process equipment reaching back to 1959.
Factory Mutual Approved
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Safety Assurance Program
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Meriam Process TechnologiesStarted by Joseph Meriam with his wife and children as the workforce in a 1911 garage operation, Meriam Process Technologies manufactures pressure and flow measurement instrumentation along with test and calibration equipment. The company’s original U-tube manometers grew into a broad process-measurement business, including digital manometers and its MFC5150 HART communicator, which reads device descriptions without translations or subscriptions. Meriam is now a Western Enterprises company and remains part of the Scott Fetzer Company heritage described in its history.CLEVELAND, OH
AMETEK Process InstrumentsFrom Pittsburgh and other North American facilities, AMETEK Process Instruments manufactures process analyzers and instrumentation for monitoring gases and other conditions in demanding industrial operations. The AMETEK business unit is particularly distinctive for custom analytical systems, ranging from individual instruments to million-dollar multi-analyzer shelters for hazardous locations, and for analyzers documented to remain in service for more than 20 years. Its global service network supports equipment throughout its lifecycle, while Pittsburgh operations hold ISO 9001 certification.PITTSBURGH, PA
LJ Star IncorporatedFounded in 1991, Twinsburg-based LJ Star Incorporated makes process-observation and safety equipment for industrial vessels and piping, with its METAGLAS® sight glass windows at the center of the business. Its offerings also include remote process-vessel cameras and lighting for demanding or hazardous environments, backed by application expertise and products such as the ATEX-certified VISULEX 4K camera. LJ Star holds ISO 9001:2015 certification and serves processing operations worldwide.TWINSBURG, OH
Peerless, IncFamily-owned and operated since 1914, Buffalo-based Peerless, Inc. supplies industrial process components and provides engineered support for piping systems. Its in-house capabilities extend beyond distribution to custom hose fabrication, tube bending and contract assembly, while its Peerless Hi-Temp division makes specialized non-metallic parts and laboratory surfaces in Williamsville. Peerless maintains an ISO 9001:2015-certified quality management system and operates a NAHAD-certified hose testing facility for traceable, pressure-tested assemblies.BUFFALO, NY