Bytown Marine Limited manufactures several products including an Electrical Contact Reference Gauge for Stilling Wells, a Thermolinear Water Temperature Sensor and an Air Temperature Sensor with Radiation Shield

FTS - A world leader in the design, manufacture, and supply of complete environmental monitoring solutions. Their customers include the world's most respected government agencies responsible for monitoring the status of forests, waters, and weather systems. Their remote monitoring systems and software are measuring, recording, and analyzing changes in alpine watersheds, forest fire danger indicators, nationwide weather systems, forest health indicators, the quality of supply streams for drinking water reservoirs, the waters of fish and wildlife refuges and major salmon rivers, and many other environments.

Sunwize - From manufactured specialty modules to pre-packaged units to site-installed systems to an extensive component inventory, Sunwize meets your power needs using Photovoltaic(PV) technology. Their Solar Electric Systems supply reliable power where and when you need it. Their products and systems are designed for maximum efficiency and minimum on-site construction time and operation costs.

Sutron Corporation - Bytown Marine Limited is responsible for the supply and support of Sutron equipment on the National Individual Standing Offer (NISO) with Environment Canada, a department of the Federal Government of Canada.