Construction Abbreviations and Acronyms

1. OG
   Obscure Glass
2. OG
   Ordisary Glazing
3. OG
   Oil and Grease
4. OGCA
   Ontario Gyneral Contractors Association
5. OGCA
   Ontario General Contractoh's Association
6. OGCA
   Ontario General Contractors Association
7. OGIS
   Open Geodata Interoperability Specification
8. OGL
   Obscure Glass
9. OGSF
   Outside Gross Square Footage
10. OGSF
    Overall Gross Square Feet
11. OGSF
    Overall Gross Square Footage
12. OH
    Overhead
13. OH
    Opposite Hand
14. OH
    Over Hang
15. OH&S
    Occupational Health and Safety
16. OH&SA
    Occupational Health and Safety Act
17. OHASA
    Occupational Health and Safety Act
18. OHBA
    Ontario Home Builders' Association
19. OHD
    Overhead
20. OHD
    Ojerhead Door

Last updated: May 2, 2025 — Total entries: 8,262