A.P.T. Research
Huntsville, Alabama, United States, North America
Overview
A-P-T Research, Inc. (Analysis, Planning, Test Research, or "APT") is a 100% employee-owned, small business based in Cummings Research Park, Huntsville, Alabama. APT provides professional engineering and programmatic services in a variety of disciplines including systems engineering, risk assessment and analysis, test planning, range safety, system safety, software system safety, explosives safety, industrial and quality engineering, quality assurance, mission assurance, Independent Verification and Validation (IV&V), software development and modeling, and related areas. APT currently supports more than 50 customers of which approximately 40 are Government agencies. Our personnel are owners and each shares in the commitment to APT's corporate mission of continually providing state-of-the-art expertise and ensuring the highest level of customer satisfaction.
- Total investments
- 1
- Lead investments
- 1
- Investments · 12mo
- 1
- Active investors
- 1
Sector focus
- Industrial Engineering
- Public Safety
- Web Development
Investment portfolio
- Circle Health
Led · Equity · Jul 2026
Circle Health builds a care coordination platform that pairs AI-driven workflow automation and clinical tools with human clinical teams to support documentation, care gap analysis, patient monitoring, care summaries, billing compliance, care workflows and quality assurance. The company was founded in 2022 by Chaitanya Shravanth, Prerna Raman, Harshvardhan Samvatsar and Krishna G and entered the US market in 2025. Circle began generating revenue by September 2025 and reached $1 million in ARR by April 2026, working across a network of more than 400 facilities. Its customers include physician groups and care facilities in both India and the United States. Management and investors say the product leverages operational data and an AI stack purpose-built for care execution, and the company reported $4–5M of revenue visibility from existing clients. Planned uses of the new capital include expanding the US sales organization, increasing the clinical workforce in the US and India, and further developing the company’s AI and technology platform.
Team
Pfitzer Tom
Founder & Chairman
LinkedIn