# OnGrade Inc.

OnGrade Inc. is a septic service company with an address in Harriston, ON, Canada.

OnGrade Inc. is listed in the Ontario Onsite Wastewater Association member directory, with an address in Harriston, ON. Services named in the source: Installer.

## Details

- Address: Harriston, ON, N0G 1Z0, Canada
- Phone: [15198031157](<tel:15198031157>)
- Website: [ongradeinc.ca/](<https://ongradeinc.ca/>)
- Source: Ontario Onsite Wastewater Association, https://oowa.org/wp-admin/admin-ajax.php?action=get\_map\_marker&CategoryId=&CompanyFilter=, fetched 2026-11-10.

## Questions

### Where is OnGrade Inc.?

OnGrade Inc. is at Harriston, ON, N0G 1Z0, Canada.

### How do I contact OnGrade Inc.?

To contact OnGrade Inc., call 15198031157 or visit https://ongradeinc.ca/.

## Source

From [Public licence registers and member directories](https://oowa.org/wp-admin/admin-ajax.php?action=get_map_marker&CategoryId=&CompanyFilter=), license Public registers and member directories; no reuse licence stated. Association copyright applies., checked 2026-11-10.

Last updated November 10, 2026.

## Links

- This septic service company on the [web page](<https://septics.fyi/ca/on/harriston/ongrade-inc>)
- [Septic installation in Harriston](<https://septics.fyi/ca/on/harriston/category/septic-installation.md>)
- [More septic service companies in Harriston](<https://septics.fyi/ca/on/harriston.md>)