How many businesses are registered in Daejeon?

2,146 companies are registered in Daejeon, South Korea according to official government registry data. The combined total revenue of these companies is €1.1B.

What Companies Are in Daejeon, South Korea?

2,146 companies found in Daejeon. Total revenue: €1.1B. Average health score: 46/100.

Data last updated: 3 October 2026

2,146

Companies

€1.1B

Total Revenue

46/100

Avg Health Score

Industry Breakdown in Daejeon

space industry	2
educational technology	1
printing	1
rail transport	1
pharmaceutical industry	1

Top 100+ Companies in Daejeon

#	Company	Revenue	Employees	Score	Grade
1	옵트론텍	€121.9M	--	70	B
2	Jeiotech, Lab Companion	€101.2M	350	70	B
3	HANMI SWISS OPTICAL CO.,LTD	€85.6M	350	60	C+
4	K-MAC	€70.0M	350	60	C+
5	BNF Technology Inc.	€45.0M	125	60	C+
6	UCL Swift (Formerly Ilsintech Korea)	€40.9M	350	60	C+
7	LIGHTRON Inc.	€40.9M	350	60	C+
8	Plasmapp Co. Ltd.	€30.6M	125	60	C+
9	ROEN Surgical	€30.6M	125	60	C+
10	Won Technology	€30.6M	125	60	C+
11	WithUs Korea	€28.6M	125	60	C+
12	GT SCIEN	€27.4M	125	60	C+
13	PARMI Co.,Ltd.	€25.0M	125	60	C+
14	LiBEST Inc.	€23.7M	125	60	C+
15	Genicom	€23.7M	125	60	C+
16	Dongnam Co., Ltd.	€15.4M	30	60	C+
17	Sol International School - SIS	€14.3M	125	60	C+
18	KAIST Civil & Environmental Engineering	€14.3M	125	60	C+
19	ALTEOGEN Inc.	€13.0M	125	60	C+
20	Mecasys	€13.0M	125	60	C+
21	LegoChem Biosciences	€13.0M	125	60	C+
22	Peptron, Inc.	€13.0M	125	60	C+
23	SI Analytics	€11.8M	125	60	C+
24	Deargen	€11.8M	125	60	C+
25	Twinny Co., Ltd	€11.8M	125	60	C+
26	Alfa Laval CorHex Ltd.	€9.4M	30	50	C
27	시스웍	€8.7M	--	70	B
28	QuantumCat.,Co.Ltd	€8.7M	30	50	C
29	KS TECH	€8.0M	30	50	C
30	PICOPACK	€7.3M	30	50	C
31	MEDIZS	€7.3M	30	50	C
32	HBE F&M Hanbat Heavy Industries Co. Ltd.	€7.0M	30	50	C
33	Jinsol Turbo	€7.0M	30	50	C
34	HANSCO	€7.0M	30	50	C
35	TNE	€7.0M	30	50	C
36	Stonic Co., Ltd.	€7.0M	30	50	C
37	Humas Co., Ltd.	€6.8M	30	50	C
38	BARFLEX	€6.6M	30	50	C
39	THEWAVETALK	€6.6M	30	50	C
40	RCTECH Inc.	€6.0M	30	50	C
41	SI Detection	€5.7M	30	50	C
42	FiberFox Inc	€5.7M	30	50	C
43	NCD Co., Ltd.	€5.7M	30	50	C
44	Lucentblock	€5.1M	30	50	C
45	KAI Inc.	€5.1M	30	50	C
46	DAIM Research	€5.1M	30	50	C
47	KSEEK	€5.1M	30	50	C
48	fusion	€4.5M	30	50	C
49	SCAI Therapeutics	€4.3M	30	50	C
50	IVIM Technology	€4.3M	30	50	C
51	목원대학교(Mokwon University)	€4.1M	350	50	C
52	UCL Swift	€4.1M	35	50	C
53	Hwadong Trading	€3.8M	5	50	C
54	GoN	€3.5M	30	50	C
55	Korea Institute of Nuclear Nonproliferation and Control (KINAC)	€3.4M	33	50	C
56	ICGM	€3.1M	30	50	C
57	Korea Nuclear International Cooperation Foundation (KONICOF)	€3.0M	30	50	C
58	Acoustics	€3.0M	5	50	C
59	WEFLO Inc.	€2.8M	30	50	C
60	Lineworld (라인월드)	€2.8M	30	50	C
61	IdeaXplorer Global	€2.8M	30	50	C
62	POWER21	€2.8M	30	50	C
63	X-GOLF	€2.8M	30	50	C
64	HayanMind Inc.	€2.8M	30	50	C
65	WI.Plat	€2.7M	30	50	C
66	SEnD Group, Inc.	€1.8M	5	50	C
67	kfac(kaist financial analysis club)	€1.8M	30	50	C
68	E&S HEALTHCARE CO. LTD.	€1.6M	30	50	C
69	you & i law pc	€1.5M	30	50	C
70	Lignum	€1.4M	5	50	C
71	BILAY	€1.2M	5	50	C
72	Choong Ang Vaccine Laboratories Co., Ltd.	€1.1M	125	50	C
73	KTG inc.	€1.1M	125	50	C
74	Glass partners	€1.1M	5	50	C
75	TRUE Lab @KAIST	€990K	5	40	D
76	Electronic Device Solution Inc.	€950K	5	40	D
77	Woongjin Energy Co Ltd (103130)	€950K	5	40	D
78	No	€950K	5	40	D
79	Tul Tour	€852K	3	40	D
80	bigpicturelabs inc.	€851K	5	40	D
81	Fortress Innovation	€851K	5	40	D
82	IntueriAI	€851K	5	40	D
83	Anigma	€851K	5	40	D
84	Spidercore Inc.	€851K	5	40	D
85	kt MOS	€819K	7	40	D
86	samwon tuksu co, ltd	€818K	5	40	D
87	NeuroTobe Pharmaceuticals Inc.	€719K	5	40	D
88	Daejeon Hana Citizen FC	€688K	30	40	D
89	additive3dx	€678K	5	40	D
90	Digital Marketing in South Korea	€649K	30	40	D
91	VisualLight	€644K	5	40	D
92	enf co.,ltd	€612K	5	40	D
93	line tech co. ltd.	€612K	5	40	D
94	SmartFitNow	€572K	5	40	D
95	UniLink	€572K	5	40	D
96	INERTIA Inc.	€520K	5	40	D
97	C&L Therapeutics, Inc.	€520K	5	40	D
98	fusion\|tp	€512K	5	40	D
99	Ncube Inc.	€473K	5	40	D
100	Nextwave	€473K	5	40	D

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