The story
Founded by Dan Caruso in 2007.1
Private company
Logo: Zayo Group, Public domain, via Wikimedia Commons3
American communications company
Zayo Group Holdings, Inc. is an American telecommunications company headquartered in Denver, Colorado, with European headquarters in London.2 It was founded by Dan Caruso.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Zayo Group Holdings, Inc. is an American telecommunications company headquartered in Denver, Colorado, with European headquarters in London.2
Zayo Group sits at the top of its group. 2 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Founded by Dan Caruso in 2007.1
Who has led Zayo Group, and when. Pick a name to see everywhere that person has worked.
From Wikidata.1
Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.
| Year | Federal grants | Other federal assistance | Federal contracts | Total |
|---|---|---|---|---|
| 2026 | – | $11.4M | $7.7M | $19.1M |
| 2025 | $41.0M | $81.5M | $7.3M | $129.8M |
| 2024 | – | $26.7M | $7.8M | $34.5M |
| 2023 | $92.9M | $19.6M | $8.6M | $121.1M |
| 2022 | – | $43.2M | $8.8M | $52.0M |
| 2021 | – | $4.7M | $9.7M | $14.4M |
| 2020 | – | $11.0M | $8.4M | $19.3M |
| 2019 | – | $136.4M | $7.9M | $144.3M |
| 2018 | – | – | $9.4M | $9.4M |
| 2017 | – | – | $5.8M | $5.8M |
| 2016 | – | – | $8.0M | $8.0M |
| 2015 | – | – | $4.0M | $4.0M |
| 2014 | – | – | $2.9M | $2.9M |
| 2013 | – | – | $626.9K | $626.9K |
| 2012 | $31.9M | – | – | $31.9M |
Obligated amounts from USAspending.gov4, by calendar year, 2012–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.
The numbers on this page point here. Each one links to the record it came from.