Thielsch Engineering: Detailed Company Information & Corporate Profile
Summary
Thielsch Engineering was founded in 1977 and is headquartered in Cranston, Rhode Island. The company specializes in green solutions, offering a broad spectrum of services from energy modeling and HVAC design to mechanical and electrical engineering.
Its specialties include Energy Services, Process Optimization, Failure Analysis, NDT Laboratory work, Construction Testing, and Energy Efficiency, among others, positioning Thielsch Engineering as a one‑stop shop for comprehensive engineering and consulting needs.
With a workforce of 500–1000 employees, Thielsch operates independently and generates revenue between $100 million and $500 million. The firm’s SIC codes are 8711 and 7380 and it serves the Providence Metropolitan Area.
The leadership team features Vice President/GM Craig Costa, Quality Coordinator Neil Baker, Director of Business Development Steven DiRaimo, Senior Engineer Jeff Huhs, and Regional Sales Manager Mike Tassoni, supported by a skilled roster of project coordinators, field technicians, and specialists.
| Thielsch Engineering Website | thielsch.com |
| Phone Number | 401-467-6454 |
| Industries | |
| Thielsch Engineering Headquarters Address | 195 Frances Avenue, Cranston, Rhode Island, 02910 US |
| Company Size | 500-1000 employees |
| Specialities & Services | Energy Services, Engineering Design, NDT Laboratory, Process Optimization, Consulting, Mechanical Engineering, Electrical Engineering, HVAC, Process Engineering, Failure Analysis, Energy Modeling, Laboratory Services, Construction Testing, Energy Efficiency |
| Technologies | jQuery, Bootstrap, Django, Stimulus, Azure, Flask, Magento, PHP, ASP.NET, Laravel |
| SIC Code | 8711, 7380 |
| NAICS Code | 541330 Engineering Services |
| DMA Code | Providence Metropolitan Area |
| Founded | 1977 |
| Estimated Annual Revenue | $100M - 500M |
| Operating Status | Independent Company |
| Updated: | 2026-09-18 |
Estimated Website Traffic
The chart shows a growth in traffic to the thielsch.com website. In August, traffic increased to 1407, compared to 933 in the previous month. The highest traffic in 2026 was recorded in August, reaching 1407 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Thielsch Engineering's workforce includes employees across a wide range of tenure levels.
5% have been with the company for 1 to 2 years9% have been with the company for 3 to 4 years7% have been with the company for 5 to 7 years7% have been with the company for 8 to 10 years72% have been with the company for more than 11 years
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Thielsch Engineering Corporate Information: FAQ
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