Ranking · score (0–100)

Operators by disclosure coverage

Share of each operator's data centers whose IT load, PUE, area, certifications, cooling, lifecycle, web page and ownership are available in open sources captured by the atlas (operators with ≥ 5 data centers). Not a judgement of overall reporting, some operators publish campus metrics elsewhere.

Method ·

#	Operator	score (0–100)	Facilities	Countries
1	Vantage Data Centers	62	46	13
2	Flexential	52	48	1
2	NEXTDC	52	29	4
4	Cologix	47	48	2
5	CyrusOne	44	64	9
6	Green Mountain	43	9	3
7	DataBank	36	76	2
8	CoreSite	32	30	1
9	Sabey Data Centers	29	14	1
10	OPCORE	28	10	1
10	Scala Data Centers	28	14	3
10	Telehouse	28	31	13
13	Aligned	27	30	5
13	QTS	27	83	3
15	STACK Infrastructure	25	32	10
16	Iron Mountain	24	34	8
17	EdgeConneX	23	84	21
17	ODATA	23	12	4
19	atNorth	21	29	5
20	Keppel DC	19	10	10
21	Global Switch	18	10	8
21	Maincubes	18	5	1
23	Vaultica Data Centers	16	7	5
24	Digital Realty	14	224	35
25	NTT	12	126	15
26	AirTrunk	11	16	5
27	Arelion	10	5	5
27	Cogent	10	33	7
27	Colocation America Corporation	10	6	1
27	Equinix	10	264	36
27	EXA Infrastructure	10	13	11
27	Expedient	10	12	1
27	H5 Data Centers	10	29	1
27	National Internet Exchange of India	10	14	1
27	PhoenixNAP	10	5	4
27	Sungard Availability Services	10	5	2
27	UltraEdge	10	10	1
38	Centersquare	9	37	3
38	Colt Technology Services Group	9	16	9
38	Digital Fortress	9	8	1

Other rankings