Exhibit 21.1
ASPEN TECHNOLOGY, INC.
List of Subsidiaries as of June 30, 2023
State or Country | ||||||||||||||
Name of Subsidiary | of Incorporation | |||||||||||||
1 | AGI Mexicana S.A. De C.V. | Mexico | ||||||||||||
2 | Alias Investment LLC | Delaware | ||||||||||||
3 | Apex Optimisation SRO | Czech Republic | ||||||||||||
4 | Apex Optimisation Technologies B.V. | Netherlands | ||||||||||||
5 | Argent & Waugh Limited | United Kingdom | ||||||||||||
6 | Aspen Paradigm Holding LLC | Delaware | ||||||||||||
7 | Aspen Technology (Asia) Inc. | Delaware | ||||||||||||
8 | Aspen Technology Australia Pty. Ltd. | Australia | ||||||||||||
9 | Aspen Technology Holdings Corporation | Delaware | ||||||||||||
10 | Aspen Technology, Inc. | Delaware | ||||||||||||
11 | Aspen Technology International, Inc. | Delaware | ||||||||||||
12 | Aspen Technology LLC | Russia | ||||||||||||
13 | Aspen Technology S.A.S. | Colombia | ||||||||||||
14 | Aspen Technology S.L. | Spain | ||||||||||||
15 | Aspen Technology Services Corporation | Delaware | ||||||||||||
16 | AspenTech (Beijing) Ltd. | PRC | ||||||||||||
17 | AspenTech (Shanghai) Co.Ltd. | PRC | ||||||||||||
18 | AspenTech (Thailand) Ltd. | Thailand | ||||||||||||
19 | AspenTech Africa (Pty.) Ltd. | South Africa | ||||||||||||
20 | AspenTech Argentina, S.R.L. | Argentina | ||||||||||||
21 | AspenTech Australia Holding Pty Ltd | Australia | ||||||||||||
22 | AspenTech Canada Corporation | Canada | ||||||||||||
23 | AspenTech Canada Holdings, LLC | Delaware | ||||||||||||
24 | AspenTech Corporation | Delaware | ||||||||||||
25 | AspenTech de Mexico S. de R.L. de C.V. | Mexico | ||||||||||||
26 | AspenTech Europe BV | Netherlands | ||||||||||||
27 | AspenTech Europe, SA/NV | Belgium | ||||||||||||
28 | AspenTech Holding Corporation | Delaware | ||||||||||||
29 | AspenTech India Private Ltd. | India | ||||||||||||
30 | AspenTech Japan Co. Ltd. | Japan | ||||||||||||
31 | AspenTech Ltd. | United Kingdom | ||||||||||||
32 | AspenTech Norway AS | Norway | ||||||||||||
33 | AspenTech Pte. Ltd. | Singapore | ||||||||||||
34 | AspenTech S.r.l. | Italy | ||||||||||||
35 | AspenTech Software Brasil Ltda. | Brazil | ||||||||||||
36 | AspenTech Software Corporation | Delaware | ||||||||||||
37 | AspenTech Solutions Sdn. Bhd. | Malaysia | ||||||||||||
38 | AspenTech SRL | Romania | ||||||||||||
39 | AspenTech Venezuela C.A. | Venezuela | ||||||||||||
40 | CAMO Smart Software Inc. | New Jersey | ||||||||||||
41 | Camo Software Japan Co Ltd | Japan | ||||||||||||
42 | Inmation BNX B.V. | Netherlands | ||||||||||||
43 | Inmation Lux S.a.r.l. | Luxembourg |
44 | Inmation UK Ltd. | United Kingdom | ||||||||||||
45 | Inmation Software GmbH | Germany | ||||||||||||
46 | Mnubo Solutions Inc. | Canada | ||||||||||||
47 | Open Systems International Australia Pty Ltd | Australia | ||||||||||||
48 | Open Systems International Europe SL | Spain | ||||||||||||
49 | OSI du Canada Inc. | Canada | ||||||||||||
50 | OSI Energy Automation India Private Limited | India | ||||||||||||
51 | Paradigm (UK) Holding Limited | United Kingdom | ||||||||||||
52 | Paradigm B.V. | Netherlands | ||||||||||||
53 | Paradigm France S.A. | France | ||||||||||||
54 | Paradigm Geophysical (India) Private Limited | India | ||||||||||||
55 | Paradigm Geophysical (KL) Sdn. Bhd. | Malaysia | ||||||||||||
56 | Paradigm Geophysical (Nigeria) Limited | Nigeria | ||||||||||||
57 | Paradigm Geophysical (U.K.) Limited | United Kingdom | ||||||||||||
58 | Paradigm Geophysical B.V. | Netherlands | ||||||||||||
59 | Paradigm Geophysical Corp. | Delaware | ||||||||||||
60 | Paradigm Geophysical de Venezuela C.A. | Venezuela | ||||||||||||
61 | Paradigm Geophysical do Brasil Ltda. | Brazil | ||||||||||||
62 | Paradigm Geophysical Italy SRL | Italy | ||||||||||||
63 | Paradigm Geophysical Limited | Israel | ||||||||||||
64 | Paradigm Geophysical Pty Ltd | Australia | ||||||||||||
65 | Paradigm Geophysical S.A. | Argentina | ||||||||||||
66 | Paradigm Geophysical Sdn. Bhd. | Malaysia | ||||||||||||
67 | Paradigm Geophysical Spain S.L. | Spain | ||||||||||||
68 | Paradigm Geoservices Canada Ltd. | Canada | ||||||||||||
69 | Paradigm Geotechnology (Egypt) S.A.E. | Egypt | ||||||||||||
70 | Paradigm Kazakhstan LLP | Kazakhstan | ||||||||||||
71 | Paradigm Middle East FZ-LLC | UAE | ||||||||||||
72 | Paradigm Technology (Beijing) Co., Ltd. | PRC | ||||||||||||
73 | PT. Paradigm Geophysical Indonesia | Indonesia | ||||||||||||
74 | Roxar Paradigm, E&P Software Services LLC | Russia | ||||||||||||
75 | Roxar Services AS | Norway | ||||||||||||
76 | Roxar Services OOO | Russia | ||||||||||||
77 | Roxar Software Solutions AS | Norway | ||||||||||||
78 | Roxar Technologies AS | Norway | ||||||||||||
79 | Sabisu Ltd. | United Kingdom | ||||||||||||
80 | The Fidelis Group, LLC | Texas |