DDocket
DKT-1975

Thistledown Data Works

thistledown.com
Thistledown Data Works, Corp.Founded 1994Madison, WI5 metros44 employees
Triage Scout Audit
71Tier C
23 of 26 questions settled16 claims re-read by Audit22 pages retainedresearch cost $4.75stage · Screened

Triage · 5 values

value · source · date
identity.legal_entityThistledown Data Works, Corp.sos.state filing2026-09-07

Entity in good standing, incorporated 1994.

identity.website_confirmedconfirmedsite /about2026-09-11
identity.linkedin_pageprovider_matchedlinkedin company page2026-08-31
assessment.company_typedatacenter_operatorthistledown.com/about2026-09-08

We are an independent colocation and interconnection operator serving 5 markets.

geography.majority_usyesthistledown.com/locations2026-08-17

All operating capacity is located in the United States.

Scout · 10 values

value · source · date
ownership.structureprivate_equity_backedthistledown.com/about2026-08-11

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

facilities.count6 sitesthistledown.com/data-centers2026-08-25

Thistledown operates 6 data centers across Madison, WI, Des Moines, IA, Springfield, MO and 2 further markets.

facilities.metrosMadison, WI, Des Moines, IA, Springfield, MO, Grand Rapids, MI, Knoxville, TNthistledown.com/locations2026-09-11

Our locations: Madison, WI · Des Moines, IA · Springfield, MO · Grand Rapids, MI · Knoxville, TN.

power.critical_it_load_mw1.6 MWfacility datasheet (pdf)2026-08-08

Across our 6 facilities we operate 1.6 MW of critical IT load, with additional capacity permitted.

space.raised_floor_sqft13,500 sq ftthistledown.com/data-centers/specifications2026-08-12

13,500 square feet of raised floor, expandable within the existing shell.

compliance.attestationssoc_1_type_2, soc_2_type_2, iso_27001thistledown.com/compliance2026-08-08

We maintain Soc 1 type 2, Soc 2 type 2, Iso 27001 attestations, audited annually.

customers.primary_segmententerprise_colocationthistledown.com/industries2026-09-05

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 carriersthistledown.com/carriers2026-08-24

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

services.offeredcloud_onramp, build_to_suit, private_cloud, colocation, bare_metal, managed_backup, disaster_recoverythistledown.com/services2026-08-25

Colocation, cross connects and remote hands are priced on our rate card; managed services are quoted per engagement.

size.headcount44 peoplelinkedin company page2026-08-02

44 employees on the company page.

Scout · deep · 6 values

value · source · date
ownership.principalTamsin Dumitruthistledown.com/leadership2026-08-13

Tamsin Dumitru founded the business out of a single Madison carrier room and still serves as Chief Operating Officer.

ownership.tenure_years20 yearslinkedin profile2026-09-16
power.redundancy2n_plus_1facility datasheet (pdf)2026-08-31

Electrical distribution is 2N+PLUS+1 to the rack.

interconnection.exchangeresident_ixthistledown.com/connectivity2026-09-08

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

realestate.tenureground_leasethistledown.com/about2026-08-19

The site sits on a 49-year ground lease from the county port authority.

history.prior_acquisitions0 dealspress release archive2026-09-15

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

Audit · 1 values

value · source · date
assessment.succession_signalnone_foundregional business journal2026-08-05

Tamsin Dumitru has led the company for 20 years; no successor is named anywhere on the record.

Asked, and not on the record · 1

a not-found stands six months
certification.uptime_tierNot stated on site · 5 sources triedfiled 2026-09-05 · re-asks 2027-03-09

Still owed · 3

why it is owed is a lookup, not an investigation
Customer concentrationRevenueCapital events

Fit

71 / 100
Ownership8/20
Critical IT load13/20
Facilities15/15
Geography10/10
Interconnection10/10
Customer mix10/10
Real estate5/10
Acquisition history0/5

Contacts · 1

Tamsin Dumitruprincipal
Chief Operating Officer
domain pattern · 3 of 4 match

History

  1. Audit run closed2026-08-12

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

  2. Scout run closed2026-07-24

    16 typed values filed, 10 pages retained.

  3. Triage run closed2026-07-05

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