# | Company name | Role | # of projects |
---|---|---|---|
1 | OCI Associates, Inc. | MEP engineering | 26 |
2 | OCI Associates, Inc. | MEP engineering | 1 |
3 | Oliver D. Billing & Associates | MEP engineering | 2 |
4 | Omega Engineering L.L.C. | MEP engineering | 1 |
5 | One Zone Asia (Philippines) Inc. | MEP engineering | 1 |
6 | Optima Power & Energy Solutions, LLC | MEP engineering | 1 |
7 | Optimal Engineering spol. s.r.o. | MEP engineering | 1 |