| Business | Phone |
| Jmd Usa Consultants 334 Dawson St, Philadelphia 19128 | (215) 483-8224 |
| John J Kline & Assoc 1718 Hoffnagle St, Philadelphia 19152 | (215) 725-2220 |
| Lighting Design Collaborative 1216 Arch St # 3a, Philadelphia 19107 | (215) 569-2115 |
| Lighting Practice 128 Chestnut St # 401, Philadelphia 19106 | (215) 238-1644 |
| Sean O'Connor Assoc 211 N 13th St # 801, Philadelphia 19107 | (215) 988-9200 |