tk1sc: Detailed Company Information & Corporate Profile
Summary
tk1sc was founded in 1979 and is headquartered in Irvine, California. With a team of 200‑500 professionals and annual revenues between $10 million and $50 million, the firm delivers engineering solutions across multiple disciplines.
Specializing in mechanical, electrical, and plumbing design as well as commissioning, architectural lighting, sustainability initiatives, low‑voltage systems, design‑build services, energy optimization, dry utilities, building systems evaluation, data center technology, code consulting, fire and life safety, and structural engineering, tk1sc supports clients through every phase of project development. The leadership roster features Senior BIM Specialist Alma Rivera; Assistant Vice President Jerry Leonhardt (Electrical); Associate Ekaterina Belyaeva; Electrical Engineer Andrew Godsil; Senior Mechanical Engineer Simon Kim; Senior Engineer Oscar Arellano; BIM Department Director Michael Fate; Senior Mechanical Engineer Robert San Jose; Senior Administrator Carla Cammack; Mechanical Engineer Wai Maung; Senior Mechanical Engineer Shawn McNany; Senior Plumbing Engineer Damian “D” Ogas; Electrical Engineer Jerry Castillo; Principal Vahik Davoudi (Los Angeles office); and Plumbing Engineer Agnes Kim.
| tk1sc Website | tk1sc.com |
| Industries | |
| tk1sc Headquarters Address | 15231 Laguna Canyon Road, Irvine, CA, 92618 US |
| Company Size | 200-500 employees |
| Specialities & Services | Mechanical, Electrical and Plumbing Design, Commissioning, Architectural Lighting Design, Sustainability, Low-Voltage Systems, Design Build, Energy Optimization, Dry Utilities, Building Systems Evaluation, Data Centers, Technology, Code Consulting, Fire & Life Safety, Structural |
| Founded | 1979 |
| Estimated Annual Revenue | $10M - 50M |
| Updated: | 2026-09-21 |
Workforce Turnover
Length of Employment
tk1sc's workforce includes employees across a wide range of tenure levels.
12% have been with the company for 3 to 4 years12% have been with the company for 5 to 7 years15% have been with the company for 8 to 10 years61% have been with the company for more than 11 years
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tk1sc Corporate Information: FAQ
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