D & L Engineering Sales Limited

1057 Barrington St., Halifax, NS

Supply of Fire, Life Safety & Control Systems including fire detection and emergency voice control systems, monitoring systems, emergency warning systems, flame and gas detection, and linear heat detection as well as industrial motors, motor ...

Daniel E. Oakes and Associates

1501 Carling Ave., Ottawa, ON

Davidson Integrated Wiring Systems

88 Brownstone Cir., Thornhill, ON

DBOUCHAGE PRO-DRAIN

406, rue Bdard, Chicoutimi, QC

Deepfreeze Refrigerants Inc.

1128 Martin Grove Rd., Etobicoke, ON

Manufacturer of Duracool Hydrocarbon Refrigerants and Air conditioning repair solutions

Demarcation Point Fertive Networks

1100-162 De Varennes St, Gatineau, QC

Denko Mechanical Ltd.

8 Symington Lane N, Springfield, MB

SALES, SERVICE, & INSTALLATION: PLUMBING, HEATING, STEAM & HOT WATER BOILERS, AIR MAKE UPS, BACK FLOW DEVICES, COMPRESSORS, FANS, ELECTRICAL SERVICE, UNIT HEATERS, HOT WATER TANKS, WELDING, HEAT/COOL UNITS, RESTAURANT KITCHEN ...

Deschenes Drilling Limited

245 Mgr-Martin Rd W, Saint-Quentin, NB

Residential, Commercial and Industrial drilling, Water well drilling Sale of submersible pumps and accessories, water pumps Sale of drilling equipment and supplies Manufacture - Ground water source heat pumps

Detectra Inc.

452, rue de la Garonne E, Alma, QC

Devilee Plumbing & Heating

38 Caprice Cres., London, ON

Plumbing and Heating Contractor