

CHI Engineering Services, Inc.: Detailed Company Information & Corporate Profile
Summary
CHI Engineering Services, Inc., headquartered in Portsmouth, NH, operates within the Utility Supply sector under a subsidiary structure with annual revenues between $10 million and $50 million. Founded in 1978, the firm employs 100 to 200 professionals and serves clients throughout Greater Boston.
The engineering team features experienced principals and senior engineers, including Vice President/Principal Engineer Lynda Erdbrink, Senior Vice Presidents Gianni Paradiso and Scott Bell (Controls), and multiple project managers such as Matthew Lane and Derek Smith. Design specialists span mechanical, electrical, I&C, and CAD disciplines, supported by a dedicated accounting manager.
CHI’s SIC code 6500 reflects its focus on utility services, while the DMA classification confirms its operational presence in the Greater Boston area. The company remains committed to delivering engineering solutions that align with industry standards and client needs.
| CHI Engineering Services, Inc. Website | chiengineering.com |
| Social Links | |
| Phone Number | 1-603-433-5654 |
| Industries | |
| CHI Engineering Services, Inc. Headquarters Address | 430 West Road, Portsmouth, NH, 03801 US |
| Company Size | 100-200 employees |
| SIC Code | 6500 |
| DMA Code | Greater Boston |
| Founded | 1978 |
| Estimated Annual Revenue | $10M - 50M |
| Operating Status | Subsidiary |
| Updated: | 2026-09-15 |
Competitors
Name | Founded | Type | Employees |
|---|---|---|---|
| 1972 | Nonprofit | 1.0K - 5.0K | |
| 1888 | Public Company | 10K - 50K | |
| 1968 | Privately Held | 500 - 1.0K | |
| 1960 | Privately Held | 5.0K - 10K |
Subsidiaries and Affiliated Companies
Workforce Turnover
Length of Employment
CHI Engineering Services, Inc.'s workforce includes employees across a wide range of tenure levels.
7% have been with the company for 3 to 4 years14% have been with the company for 5 to 7 years21% have been with the company for 8 to 10 years57% have been with the company for more than 11 yearsCompanies Similar to CHI Engineering Services, Inc.
CHI Engineering Services, Inc. Corporate Information: FAQ
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