- American BCDE Inc
- American BCDE Inc
- Atlas Systems Of New England
- Bowers & Assoc
- Carlin-Simpson & Assoc
- Fab Engineering
- Forli Corp
- Foundation Systems
- Foundation Test Group Inc
- Froehling & Robertson Inc
- Gemini Geotechnical Assoc
- Gentech Engineering Assoc
- Geotechnical Group Inc
- HML Assoc
- Kaye Foundation Technologies
- Liao Associates Inc
- Loadtest Inc
- Pile Mechanics Inc
- Richard S Kessler
- Samuel N Kleinberg
- SESI Consulting Engineers
- Soils Engineering
- Underwood Soil & Foundation
- Wang Engineering Svc