| Business Name | Phone | Address | zip code |
| CDM Constructors | (412)201-5500 | 2740 Smallman Street | 15222 |
| Design Alliance | (412)261-0660 | 535 Smithfield Street | 15222 |
| Lorenzi Dodds & Gunnill Incorporated | (412)261-6062 | 100 Wood Street Floor 8 | 15222 |
| Fukui Architects PC | (412)281-6001 | 100 Wood Street | 15222 |
| William Thomas Design Studio | (412)281-7210 | 938 Penn Avenue Suite 503 | 15222 |
| Gilberti LF Architect Inc | (412)281-7911 | 239 Fort Pitt Boulevard Suite 2 | 15222 |
| Celli Thomas C Architect | (412)281-9400 | 606 Liberty Avenue | 15222 |
| Hayes Large Architects | (412)391-3086 | 925 Liberty Avenue Floor 7 | 15222 |
| Community Design Center of Pittsburgh | (412)391-4144 | 945 Liberty Avenue Suite 2 | 15222 |
| DRS Architects | (412)391-4850 | 420 Fort Duquesne Boulevard | 15222 |
| P E Program Development | (412)434-1156 | 1100 Liberty Avenue | 15222 |
| Pfaffmann R S & Associates | (412)471-2470 | 223 4th Avenue Suite 800 | 15222 |
| Cuteri Architectural Group Inc | (412)471-8008 | 810 Penn Avenue Floor 4 | 15222 |
| Tai Lee Architects PC | (412)880-4020 | 2740 Smallman Street | 15222 |
| Cadnetics Group | (412)642-2701 | 307 4th Ave | 15222 |
| Atlantic Engineering Services of Pittsburgh | (412)338-9000 | Centre City Towers | 15222 |
| American Society of Civil Engineers | (412)261-4300 | 337 4th Avenue | 15222 |
| Patterson R T Company Inc | (412)227-6600 | 230 3rd Avenue | 15222 |
| BBL Environmental Services Inc | (412)231-6624 | 600 Waterfront Drive | 15222 |
| Electromechanical Engineering Associates Inc | (412)243-3003 | 1717 Penn Avenue | 15222 |
| Engineers Society of Western Pennsylvania | (412)261-0710 | 337 4th Avenue | 15222 |
| Kozel Engineering CO Inc | (412)261-3317 | 2200 Liberty Avenue | 15222 |
| Galletta Engineering Corporation | (412)261-3357 | 610 Smithfield Street | 15222 |
| Society of Fire Protection Engineers | (412)261-4300 | 337 4th Avenue | 15222 |
| Buchart-Horn Basco Associates Inc | (412)261-5059 | 2200 Liberty Avenue | 15222 |
| Lea & Elliott Inc | (412)338-2100 | 401 Wood Street Suite 1100 | 15222 |
| Atlantic Engineering Services of Pittsburgh | (412)338-9000 | Centre City Towers | 15222 |
| SAI Consulting Engineers Inc | (412)392-8750 | 1400 Penn Avenue | 15222 |
| SAI Consulting Engineers | (412)395-8753 | 1400 Penn Avenue | 15222 |
| S D Engineers Inc | (412)471-0925 | 2425 Liberty Avenue | 15222 |
| Trimark Engineers-Constructors Inc | (412)471-5900 | 650 Smithfield Street Suite 300 | 15222 |
| DMJM & Harris | (412)642-0752 | 444 Liberty Avenue | 15222 |
| Cadnetics Group | (412)642-2701 | 307 4th Ave | 15222 |
| Davy International | (412)918-4500 | 1200 Penn Avenue | 15222 |
| Titan Energy Inc | (412)392-3560 | 603 Stanwix Street | 15222 |
| Wheelabrator Air Pollution Con | (412)562-7300 | 441 Smithfield Street Suite 500 | 15222 |
| Precision Environmental International Inc | (412)765-2297 | 401 Wood Street | 15222 |
| Lea & Elliott Inc | (412)338-2100 | 401 Wood Street Suite 1100 | 15222 |
| Patterson R T Company Inc | (412)227-6600 | 230 3rd Avenue | 15222 |
| BBL Environmental Services Inc | (412)231-6624 | 600 Waterfront Drive | 15222 |
You can also check out Engineers in Pittsburgh