| | ADA Accessories | |
| Architects | |
| |
|
| Chemicals | |
| Construction | |
- DuPont
- Kroff Chemicals
- Rohn & Haas
- Sunoco Philadelphia Refinery
|
- Air Care NJ
- Stevens Painton
- Strut Services
- Temp Tech Harrisburg
- York International
(now Johnson Controls)
|
| Education Facilities |
|
| Environmental | |
| |
- Veolia Environmental Services
(8 facilities)
|
| Engineering | |
| Healthcare | |
- Clough Harbor & Assoc.
- Fluor Corp.
- Keystone Engineering Group
- Palmetto Management & Engineering
- SNC-Lavalin Group
|
- Bowling Green Brandywine
- Hospitals
(
in southeastern PA)
|
| Industrial | |
| Office buildings/commercial | |
- Allegheny Ludlum
- Arcelor-Mittal Coatesville, PA
- Firestone
- McGuckin & Pyle
- Severstal NA, Sparrows Point, MD
- UniFirst Corp.
|
- N-Powell Company
- TriPoint Properties
|
