Founded in 2001 by hardware and software developers, Calgary-based Extreme Telematics Corp. designs and manufactures rugged electronic controls and sensors for oil and gas well automation. Its first product was a plunger lift controller built for Canada’s harsh climate, and the company now pairs plunger-lift systems with contract engineering capabilities backed by more than 130 years of combined team experience. ETC’s products are designed for low-power, wide-temperature and hazardous-location applications.
Class I, Zone 0 (Division 1)
Class I, Division 1, Groups C and D
Ex/AEx ia IIB
Class I, Zone 0, AEx ia IIB T4 Ga
Class I, Division 2, Groups A, B, C and D T4
Class I, Zone 2, Group IIC T4
CE Ex II 3G Ex nA IIC T4 Gc
ATEX
Quality certification
MOBILTEX Data LtdSince 1985, Calgary-based MOBILTEX Data Ltd. has designed and manufactured wireless field devices and cloud-connected systems that monitor cathodic protection, corrosion, and pipeline integrity. Its CorTalk platform grew from the company’s first oil-and-gas remote monitoring unit in 1991, while FloPath and Abriox extend the same practical engineering to pressurized water and gas networks. MOBILTEX says its systems now monitor more than 500,000 kilometres of pipeline assets for hundreds of customers worldwide.AMELIA, OH
Rel-Tek CorporationSince 1980, Pittsburgh-based Rel-Tek Corporation has manufactured complete gas detection and automated monitoring systems for hazardous environments, from mines and tunnels to alternative-fuel garages and industrial sites. The company builds its own hardware and software, and is particularly known for MagiKal, its automatic sensor-calibration system designed to reduce maintenance costs while improving accuracy. Rel-Tek says its equipment carries more than 100 approvals for classified-area use and has been deployed in facilities ranging from small installations to a 250-sensor alternative-fuel garage.PITTSBURGH, PA
Bay Controls, LLCFounded in 1983 by Scott Parry and Tom Reed, Holland-based Bay Controls develops computerized controls and monitoring systems for compressed-air equipment, along with HVAC and building-automation integration. The company’s early work included the first computerized compressor controller in 1984 and the first internet-based industrial monitoring service in 1997; today it supports industrial, commercial, and government customers in the United States and more than 60 countries. Bay Controls also offers retrofit paths for legacy controllers, helping customers extend existing systems rather than replace them outright.HOLLAND, OH
Kimray, IncFounded in 1948, Kimray designs, manufactures, and delivers control equipment for oil and gas production. Its history includes the invention of the back pressure regulator and glycol pump, and the company says its valves, regulators, and pumps have served producers for decades. Kimray is headquartered in Oklahoma City and completed its transition to a 100% employee-owned ESOP in 2026.INDIANA, PA