1. This document analyzes the top 20 information technology (IT) companies in Thailand by market capitalization as of December 31, 2021. 2. The total market capitalization of the top 20 IT companies was 362,474 million baht, with 5,090 million baht or 1.40% belonging to the largest company. 3. The largest company had a market capitalization of 877 million baht and accounted for 17.23% of the total market capitalization of the top 20 companies.

1. 1
2552
1
( . . 2551)
20 ( 2) 2552
362,474 149
5,090
1.40 IT
5,090
1
IT ( : )
( )
362,474
IT 5,090
1.40
1
IT
IT
1.40%
98.60%
IT
(PTDT) 1/8
( )

2. 1
2
IT
( )
1 877 17.23
2 727 14.28
3 722 14.18
4 684 13.44
5 386 7.58
6 367 7.21
7 286 5.62
8 255 5.01
9 185 3.63
10 102 2.00
11 100 1.96
12 95 1.87
13 75 1.47
14 57 1.12
15 57 1.12
16 37 0.73
17 28 0.55
18 26 0.51
19 14 0.28
20 10 0.20
5,090 100.00
:
. DPIS 1 . .53 ( . .)
2 IT
1,000 877 ( )
17.23 IT
( ) 727 ( 14.28) ( ) 722 (
14.18)
IT 3
( ) 10 ( 0.20)
( ) 14 ( 0.28)
( ) 26 ( 0.51)
(PTDT) 2/8
( )

3. 1
2
IT ( : )
1000
877
900
800 727 722
684
700
600
500
386 367
400
286
300 255
185
200
102 100 95 75 57 57
100 37 28 26 14 10
0
2 IT 5,090
IT
IT
3
3
IT
IT
1 600 - 900 300
2 170 - 400 230
3 1 - 110 109
3 IT
IT
(PTDT) 3/8
( )

4. 1
362,474
362
IT 5,090
IT 22
4
IT
IT
1 1,200 255 21.25
2 1,961 286 14.58
3 6,562 877 13.36
4 724 28 3.87
5 3,455 100 2.89
6 3,638 102 2.80
7 14,311 367 2.56
8 30,533 722 2.36
9 1,588 37 2.33
10 3,534 75 2.12
11 10,470 185 1.77
12 41,267 727 1.76
13 3,496 57 1.63
14 648 10 1.54
15 35,706 386 1.08
16 6,237 57 0.91
17 17,248 95 0.55
18 6,365 26 0.41
19 170,005 684 0.40
20 3,526 14 0.40
362,474 5,090 1.40
4 IT
3 ( ) 21.25
( ) 14.58 ( ) 13.36
(PTDT) 4/8
( )

5. 1
17
IT 0.40 - 3.87
3 2 ( )
3
IT
0% 10% 20% 30% 40% 50% 60% 70% 80%
% 90% 100%
IT
5
IT
IT
1 6,562 877 13.36
2 41,267 727 1.76
3 30,533 722 2.36
4 170,005 684 0.40
5 35,706 386 1.08
6 14,311 367 2.56
7 1,961 286 14.58
8 1,200 255 21.25
(PTDT) 5/8
( )

6. 1
5( )
IT
IT
9 10,470 185 1.77
10 3,638 102 2.80
11 3,455 100 2.89
12 17,248 95 0.55
13 3,534 75 2.12
14 6,237 57 0.91
15 3,496 57 1.63
16 1,588 37 2.33
17 724 28 3.87
18 6,365 26 0.41
19 3,526 14 0.40
20 648 10 1.54
362,474 5,090 1.40
IT
IT
IT
IT
1:
IT
(PTDT) 6/8
( )

7. 1
2:
IT
IT
IT
3:
IT
mrkokung@hotmail.com
22 2554
(PTDT) 7/8
( )

8. 1
. .. 2552:
. : , 2553.
. ..
. DPIS 1 . .53.
(PTDT) 8/8
( )