- rodriquez studio — GRANT engineering has been working with rodriguez architectural studio for the mechanical, plumbing and electrical of the residential 3 story (and basement) building in Bay Ridge, Brooklyn.
- SPACECUTTER — SPACECUTTER and GRANT engineering has been collaborating for 4 years. Among all the projects completed together, one of the most important is the creation of the Carved Duplex in Williamsburg, NY
- MFS engineers
- ALC Environmental
- Inspection & Valuation International
- Partner Engineering and Science
- Emergent Engineers