| Title | Country | State / Province | City | Phone | Email Sort descending |
|---|---|---|---|---|---|
| Robert Newell Lighting Design | United States | New Jersey | Westfield | 908 654-9304 | |
| Euchromia Lighting Design | United States | Ohio | Kettering | 937 298-6684 | |
| Collaborative Lighting LLC | United States | Massachusetts | Sudbury | 978 369-6788 | |
| Hugh Lighting Design | United States | Illinois | Oak Park | 708 445-0995 | |
| APM Engineering | United States | District of Columbia | Washington | 202 783-0850 | |
| Impact Lighting & Production | United States | California | Richmond | 800 457-7501 | |
| BNA Consulting | United States | Utah | Salt Lake City | 801 532-2196 | |
| Quentin Thomas Associates | United States | New York | Douglaston | 718 423-3044 | |
| Design Forum | United States | Ohio | Dayton | 937 439-4400 | |
| Emphasis Lighting Group | United States | Minnesota | Minnetonka | 612 933-9904 | |
| ONeil Langan Architects, PC | United States | New York | New York | 212 941-9270 | |
| HDR, Inc. | United States | New Jersey | Lawrenceville | 609 844-1212 | |
| Candela | United States | Washington | Lynnwood | 206 667-0511 | |
| Mitchell B. Kohn Lighting Design | United States | Illinois | Highland Park | 847 433-0840 | |
| BNA Consulting | United States | Utah | St. George | 435 628-3670 | |
| William Lam Inc. | United States | Massachusetts | Cambridge | 617 576-4662 | |
| Douglas Baker Co. | United States | Rhode Island | Newport | 401 846-9100 | |
| Robin Drake Design | United States | New York | New York | 212 925-6191 | |
| Abernathy Lighting Design, Inc. | United States | Rhode Island | Providence | 401 233-4412 | |
| Albert Chong Assoc | United States | Hawaii | Honolulu | 808 738-5355 | |
| C. Welker Lighting Design | United States | Georgia | Atlanta | 770 936-9360 | |
| The Lighting Studio | United States | Colorado | Edwards | 970 926-9595 | |
| Southwest Museum Services | United States | Texas | Houston | 713 462-7754 | |
| Cosentini Assoc. | United States | New York | New York | 212 615-3600 | |
| Guy Smith Lighting | United States | New York | New York | 917 734-3836 | |
| Dan Weinreber Design | United States | California | Venice | 310 745-0322 | |
| Luminae Souter Associates | United States | California | San Francisco | 415 863-8800 | |
| Peter Basso Associates | United States | Michigan | Ann Arbor | 734 913-4749 | |
| Certified Lighting Design | United States | California | Chatsworth | 818 886-6048 | |
| J & M Associates | United States | Maine | Kennebunkport | 207 967-5223 |