Alphatec PC: Detailed Company Information & Corporate Profile
Summary
Founded in 1969, Alphatec PC operates from Washington, DC, offering IT Services across the United States. With a team of 10‑50 professionals, the firm generates annual revenues between $10M and $50M.
Alphatec specializes in MEP Engineering, Architecture & Planning, BIM, Integrated Design, Mechanical Engineering, Electrical Engineering, Plumbing Engineering, and Interior Design, providing end-to-end design solutions for complex building projects.
The leadership roster features President/Managing Director Anthoula Gianniotis, Principal Spiro Gianniotis, mechanical designer Jie Qian, senior electrical engineer M Dabbas PE, project manager Celina Hollister, architect Radovan Baran, certified interior designer Shiri Shubbar NCARB, and other key technical professionals who steer the company’s strategic and client‑focused initiatives.
| Alphatec PC Website | alphatecpc.com |
| Phone Number | (202) 797-5000 |
| Industries | |
| Alphatec PC Headquarters Address | 1525 18th ST NW, Washington, DC, 20036 US |
| Company Size | 10-50 employees |
| Specialities & Services | MEP Engineering, Architecture and Planning, BIM, Integrated Design, Mechanical Engineering , Electrical Engineering, Plumbing Engineering, Interior Design |
| Founded | 1969 |
| Estimated Annual Revenue | $10M - 50M |
| Updated: | 2026-09-23 |
Workforce Turnover
Length of Employment
Alphatec PC's workforce includes employees across a wide range of tenure levels.
9% have been with the company for 3 to 4 years9% have been with the company for 5 to 7 years82% have been with the company for more than 11 years
Companies Similar to Alphatec PC
Alphatec PC Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
