ANPCyT, Argentina
YerPhI, Armenia
ARC, Australia
BMWFW,Austria;
FWF, Austria
ANAS, Azerbaijan
SSTC, Belarus
CNPq, Brazil
FAPESP, Brazil
NSERC, Canada
NRC, Canada
CFI, Canada
CERN
ANID, Chile
CAS, China
MOST, China
NSFC, China
Minciencias, Colombia
MEYS CR, Czech Republic
DNRF, Denmark
DNSRC, Denmark
IN2P3-CNRS, France
CEA-DRF/IRFU, France
SRNSFG, Georgia
BMBF, Germany
HGF, Germany
MPG, Germany
GSRI, Greece
RGC, China
Hong Kong SAR, China
ISF, Israel
Benoziyo Center, Israel
INFN, Italy
MEXT, Japan
JSPS, Japan
CNRST, Morocco
NWO, Netherlands
RCN, Norway
MEiN, Poland
FCT, Portugal
MNE/IFA, Romania
JINR
MES of Russia
NRC KI
Russian Federation
MESTD, Serbia
MSSR, Slovakia
ARRS, Slovenia
MIZS, Slovenia
DSI/NRF, South Africa
MICINN, Spain
SRC, Sweden
Wallenberg Foundation, Sweden
SERI, Switzerland
SNSF, Switzerland
Cantons of Bern, Switzerland
Geneva, Switzerland
MOST, Taiwan
TAEK, Turkey
STFC, United Kingdom
DOE
NSF
BCKDF
CANARIE
Compute Canada
CRC, Canada
COST
ERC
ERDF
Horizon 2020 and Marie SklodowskaCurie Actions
European Union
Investissements d'Avenir Labex, Investissements d'Avenir Idex
ANR, France
DFG
AvH Foundation, Germany
Herakleitos
Thales
Aristeia programs
EU-ESF
Greek NSRF, Greece
BSF-NSF, Israel
GIF, Israel
Norwegian Financial Mechanism
NCN, Poland
NAWA, Poland
La Caixa Banking Foundation
CERCA Programme Generalitat de Catalunya
PROMETEO
GenT Programmes Generalitat Valenciana, Spain
Goran Gustafssons Stiftelse, Sweden
Royal Society and Leverhulme Trust, United Kingdom
STFC: ST/W00058X/1
Science and Technology Facilities Council: ST/N000277/1, ATLAS, ST/P002439/1, ST/S000747/1, ST/M006980/1, ST/H001158/2, ST/H001158/1, ST/L001179/1
We thank CERN for the very successful operation of the LHC, aswell as the support staff fromour institutionswithout whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; ANID, Chile; CAS, MOST and NSFC, China; Minciencias, Colombia; MEYS CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS and CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, HGF and MPG, Germany; GSRI, Greece; RGC and Hong Kong SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MEiN, Poland; FCT, Portugal; MNE/IFA, Romania; JINR; MES of Russia and NRC KI, Russian Federation; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DSI/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, U.S. In addition, individual groups and members have received support from BCKDF, CANARIE, Compute Canada and CRC, Canada; COST, ERC, ERDF, Horizon 2020 and Marie SklodowskaCurie Actions, European Union; Investissements d'Avenir Labex, Investissements d'Avenir Idex and ANR, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programs cofinanced by EU-ESF and the Greek NSRF, Greece; BSF-NSF and GIF, Israel; Norwegian Financial Mechanism 2014-2021, Norway; NCN and NAWA, Poland; La Caixa Banking Foundation, CERCA Programme Generalitat de Catalunya and PROMETEO and GenT Programmes Generalitat Valenciana, Spain; Goran Gustafssons Stiftelse, Sweden; The Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support fromallWLCGpartners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK), and BNL (USA), the Tier-2 facilities worldwide and large non-WLCGresource providers. Major contributors of computing resources are listed in Ref. [89].