Company Prosper Engineering

PROS

THA257010001

Construction & Engineering

End-of-day quote Thailand S.E. 2026-09-28			5-day change	1st Jan Change
0.1600 ^THB	-5.88%		0.00%	-62.79%

08-13	Prosper Engineering Public Company Limited Appoints Kriangkrai Siravanichakarn as Director, Effective August 13, 2026	CI
08-12	Prosper Engineering Public Company Limited Reports Earnings Results for the Second Quarter and Six Months Ended June 30, 2026	CI

Business description: Prosper Engineering

Prosper Engineering Public Company Limited is a Thailand-based company. The Company operates through two segments, which include M&E engineering and Civil & Structure engineering. The M&E engineering segment is engaged in provision of services related to the installation of electrical systems, communications systems, air conditioning systems, water supply systems and fire protection systems, distribution of materials for mechanical and electrical (M&E) systems and maintenance services after completion of installation. The Civil & Structure engineering segment is engaged in provision of civil construction services and architectural works. Its subsidiaries are Prosper Titan Company Limited and Prosnex Company Limited.

Number of employees: 226

Sales by Activity: Prosper Engineering

Fiscal Period: December	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)	2025 (THB)
M&E Engineering	855M	1.18B	693M	1.26B	466M
Civil & Structure Engineering and related services	198M	220M	227M	319M	364M
Elimination	-23.18M	-54.42M	-79.16M	-82.6M	-303K

See all business segments

Geographical breakdown of sales: Prosper Engineering

Fiscal Period: December	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)	2025 (THB)
Thailand	1.03B	1.35B	840M	1.5B	830M

See all geographic segments

Executive Committee: Prosper Engineering

Manager	Title	Age	Since
Pongthep Ratanaseangsuang CEO	Chief Executive Officer	56	1996-11-13
Wacharapol Rujirek DFI	Director of Finance/CFO	59	2000-12-31
Pongpon Rattanasaengsuang PRN	Corporate Officer/Principal	53	2003-12-31
Prawit Lanchakornkul IRC	Investor Relations Contact	55	1996-11-13
Sutee Tanwanichkul AUD	Comptroller/Controller/Auditor	-	-

See PROSPER ENGINEERING governance

Composition of the Board of Directors: Prosper Engineering

Director	Title	Age	Since
Pongthep Ratanaseangsuang BRD	Director/Board Member	56	1996-11-13
Aswin Rakmanud CHM	Chairman	64	2016-07-31
Narong Dechathanarujikorn BRD	Director/Board Member	58	2016-07-31
Wichai Maithong BRD	Director/Board Member	66	2021-11-11
Prawit Lanchakornkul BRD	Director/Board Member	55	1996-11-13
Wacharapol Rujirek BRD	Director/Board Member	59	2000-12-31
Pongpon Rattanasaengsuang BRD	Director/Board Member	53	2003-12-31
Kriangkrai Siravanichakarn BRD	Director/Board Member	-	2026-08-12

Composition of the Board of Directors

Company details: Prosper Engineering

Prosper Engineering Public Co., Ltd.

131, Nongrahaeng Road

10510, Bangkok

http://www.prosperengineering.co.th

Other Construction & Engineering

Add to a list 0 selected To use this feature you must be a member Log in Sign up	Change	5-day change	1-year change	3-year change	Capi.($)
PROSPER ENGINEERING	-5.88%	0.00%	-73.33%	-86.67%	3.05M
QUANTA SERVICES, INC.	-0.73%	+0.27%	+57.50%	+241.08%	97.59B
VINCI	-0.13%	+0.32%	-4.80%	+6.45%	70.29B
COMFORT SYSTEMS USA, INC.	-0.04%	+1.57%	+106.82%	+839.71%	58.29B
LARSEN & TOUBRO LIMITED	-2.81%	-2.33%	+1.04%	+27.29%	55.68B
FERROVIAL N.V.	+0.21%	+1.95%	+0.87%	+65.23%	39.91B
HOCHTIEF AG	-0.86%	-0.40%	+78.51%	+311.06%	34.06B
EMCOR GROUP, INC.	+0.43%	+1.03%	+19.49%	+259.89%	33.62B
ACS, ACTIVIDADES DE CONSTRUCCIÓN Y SERVICIOS, S.A.	-1.18%	-0.96%	+38.58%	+173.67%	29.56B
CHINA STATE CONSTRUCTION ENGINEERING CORPORATION LIMITED	-0.94%	-1.40%	-22.28%	-24.10%	26.22B
Average	-1.00%	+0.53%	+20.24%	+181.36%	44.52B
Weighted average by Cap.	-0.47%	+0.82%	+34.77%	+226.59%