Companies catalogue
- H&R Block, Carleton Place
- Haldi Indian Restaurant, Ottawa
- Hampton Inn by Hilton Ottawa, Ottawa
- Hard Stones Grill, Ottawa
- Hard Stones Grill, Kemptville
- Hard Stones Grill, Embrun
- Hart Stores | Magasins Hart, Sudbury
- Hart Stores | Magasins Hart, Sudbury
- Harvest Mission Bible Church, Ottawa
- Harvey's, Carleton Place
- Harvey's, Ottawa
- Harvey's, Ottawa
- Hatch, Sudbury
- Haven Baptist Church, Ottawa
- Headwaters Canoes, Wakefield
- Health Services Marleen Tassé, Gatineau
- HealthBridge Foundation Of Canada, Ottawa
- Heirloom Cafe & Bistro, Mississippi Mills
- Heritage Academy, Ottawa
- High Trees B&B, Ottawa
- Highland Bookkeeping & Tax Prep, Sudbury
- Hilton, Gatineau
- Hilton Garden Inn Ottawa Downtown, Ottawa
- Hing Wah Restaurant Ltd, Carleton Place
- Holiday Inn & Suites, Kanata
- Holiday Inn Express & Suites Gatineau - Ottawa, Gatineau
- Holiday Inn Express & Suites Ottawa West - Nepean, Nepean
- Holiday Inn Ottawa East, Ottawa
- Holy Name of Mary Parish, Mississippi Mills
- Holy Trinity High School, Ottawa
- Homestay Chartwell, Ottawa
- Homewood Suites By Hilton Ottawa Kanata, Ottawa
- Homewood Suites by Hilton Ottawa Downtown, Ottawa
- Hope Volleyball Summerfest, Ottawa
- Hoptail Brewery, Ottawa
- Host India, Ottawa
- Hotel Novotel Ottawa, Ottawa
- Huong's Vietnamese Bistro, Ottawa
- Hyman Soloway Residence (HSY), Ottawa