Greypoint Industries lists 1 more person on its directory entry and Greypoint Industries was listed 46 days earlier.
| Rank | Company | Score | Team size | Listed | Founders named | Tech signals |
|---|---|---|---|---|---|---|
| 1 | Greypoint Industriesleads | 72 | 4 people · 74th pctadds 32 | 2026-06-29 · 74d agoadds 12 | 4adds 25 | 1adds 3 |
| 2 | Mass Magnetics | 63 | 3 people · 57th pctadds 23 | 2026-08-14 · 28d agoadds 18 | 2adds 18 | 2adds 4 |
A score out of 100 comparing what each company's record shows for team size within its batch, listing recency, founders named and tech-stack signals.
- Team size within its batchup to 42
- Listing recencyup to 25
- Founders namedup to 25
- Tech-stack signalsup to 8
- 75 and up
- 55 to 74
- 35 to 54
- under 35
| Measure | Greypoint Industries | Mass Magnetics |
|---|---|---|
| Batch | Summer 2026 | Summer 2026 |
| Team size | 4 | 3 |
| Stage | Early | Early |
| Status | Active | Active |
| Industry | Industrials | Industrials |
| Sectors | Hardware, Robotics, Drones, Defense | Hard Tech, Robotics, Drones, Manufacturing, Defense |
| Based | San Francisco | Boston |
| Year founded | 2026 | 2026 |
| Open roles | 0 | 0 |
| Founders | 4 | 2 |
| Group partner | Tyler Bosmeny | Vivian Midha Shen |
Greypoint Industries
Against the 213 companies on file from Summer 2026. Median team 2, largest 30.
Mass Magnetics
Against the 213 companies on file from Summer 2026. Median team 2, largest 30.
Greypoint Industries
Mass Magnetics
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Greypoint Industries
Greypoint maps the electromagnetic spectrum so you can see every signal, track every threat, and act first. Built in Canada for those who protect.
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
Mass Magnetics
Secure, domestic, high-performance magnets, made fast and made in America. Rapid sintering from recycled feedstocks. DFARS 252.225-7052 compliant.
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
The full profile
Source Check, INVEST, RECRUIT and Press Requests on Greypoint Industries
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- INVEST — take this comparison past the two, across the whole group.
- RECRUIT — see who is already on both teams.
- Press Requests — connect with Darcy Zhang for a story.
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Watchlist Greypoint IndustriesBoth profiles in full: Greypoint Industries · Mass Magnetics.
Both sides are read from the Y Combinator directory — Greypoint Industries and Mass Magnetics. Both sites were read directly on the date shown — Greypoint Industries and Mass Magnetics.