DDocket
DKT-1988

Marrowstone Interconnect

marrowstone.com
Marrowstone Interconnect, Inc.Founded 2003Sioux Falls, SD5 metros136 employees
Triage Scout Audit
79Tier B
24 of 26 questions settled17 claims re-read by Audit56 pages retainedresearch cost $4.35stage · Sourced

Triage · 3 values

value · source · date
identity.legal_entityMarrowstone Interconnect, Inc.sos.state filing2026-09-05

Entity in good standing, incorporated 2003.

identity.linkedin_pageprovider_matchedlinkedin company page2026-09-05
geography.majority_usyesmarrowstone.com/locations2026-08-12

All operating capacity is located in the United States.

Scout · 9 values

value · source · date
ownership.structureprivate_equity_backedpress release2026-08-02

Marrowstone announced a growth investment from a middle-market infrastructure fund, with management retaining a significant stake.

facilities.count6 sitesmarrowstone.com/data-centers2026-08-26

Marrowstone operates 6 data centers across Sioux Falls, SD, Santa Clara, CA, Albuquerque, NM and 2 further markets.

facilities.metrosSioux Falls, SD, Santa Clara, CA, Albuquerque, NM, Birmingham, AL, Harrisburg, PAmarrowstone.com/locations2026-08-31

Our locations: Sioux Falls, SD · Santa Clara, CA · Albuquerque, NM · Birmingham, AL · Harrisburg, PA.

space.raised_floor_sqft111,000 sq ftmarrowstone.com/data-centers/specifications2026-09-09

111,000 square feet of raised floor, expandable within the existing shell.

certification.uptime_tiernone_stateduptime institute listing2026-09-15

The facility is designed and built to Tier III standards for concurrent maintainability.

compliance.attestationsnist_800_171, iso_27001, soc_1_type_2, hipaamarrowstone.com/compliance2026-08-23

We maintain Nist 800 171, Iso 27001, Soc 1 type 2, Hipaa attestations, audited annually.

customers.primary_segmententerprise_colocationmarrowstone.com/case-studies2026-08-24

The bulk of our book is enterprise colocation — regional banks, hospital systems and manufacturers who want their gear an hour from home.

interconnection.carrier_count13 carriersmarrowstone.com/carriers2026-09-08

13 carriers are available on net, and we remain carrier neutral by policy.

size.headcount136 peoplelinkedin company page2026-08-06

136 employees on the company page.

Scout · deep · 6 values

value · source · date
ownership.principalHank Mulvaneymarrowstone.com/leadership2026-08-18

Hank Mulvaney founded the business out of a single Sioux Falls carrier room and still serves as Chief Operating Officer.

ownership.tenure_years8 yearsmarrowstone.com/leadership2026-08-06
power.redundancynot_statedfacility datasheet (pdf)2026-08-24

Electrical distribution is NOT+STATED to the rack.

interconnection.exchangeresident_ixmarrowstone.com/connectivity2026-09-03

The regional internet exchange has been resident in our meet-me room since 2017.

realestate.tenureowns_freeholdcounty recorder2026-09-10

We own our buildings outright, which is why we can commit to twenty-year customer terms.

history.prior_acquisitions0 dealspress release archive2026-09-11

Marrowstone completed the acquisition of a neighbouring operator, adding two facilities and roughly 40 customers.

Audit · 1 values

value · source · date
assessment.succession_signalnone_foundmarrowstone.com/leadership2026-08-30

Hank Mulvaney has led the company for 8 years; no successor is named anywhere on the record.

Asked, and not on the record · 5

a not-found stands six months
identity.website_confirmedNot stated on site · 3 sources triedfiled 2026-08-17 · re-asks 2027-02-23
assessment.company_typeNot stated on site · 7 sources triedfiled 2026-09-05 · re-asks 2027-02-18
power.critical_it_load_mwNot stated on site · 7 sources triedfiled 2026-08-11 · re-asks 2027-03-04
customers.concentrationNot found · 7 sources triedfiled 2026-08-19 · re-asks 2027-02-26
services.offeredNot stated on site · 5 sources triedfiled 2026-09-14 · re-asks 2027-02-15

Still owed · 2

why it is owed is a lookup, not an investigation
RevenueCapital events

Fit

79 / 100
Ownership8/20
Critical IT load20/20
Facilities15/15
Geography6/10
Interconnection10/10
Customer mix10/10
Real estate10/10
Acquisition history0/5

Contacts · 2

Hank Mulvaneyprincipal
Chief Operating Officer
domain pattern · 3 of 4 match
Boyd Tolliver
Chief Financial Officer
provider · verified

History

  1. Audit run closed2026-08-10

    17 claims re-read with fetch denied, none struck.

  2. Scout run closed2026-07-29

    15 typed values filed, 12 pages retained.

  3. Triage run closed2026-06-18

    Identity resolved: marrowstone.com confirmed, LinkedIn page matched, company type datacenter operator.