| Title | Country | State / Province | City | Phone | Email Sort ascending |
|---|---|---|---|---|---|
| Levy Lighting Incorporated | United States | New York | New York | 212 925-4640 | |
| Schafer Associates | United States | Illinois | Oakbrook Terrace | 708 932-8787 | |
| Brinjac Engineering | United States | Pennsylvania | Harrisburg | 717 233-4502 | |
| Cambridge Seven Associates | United States | Massachusetts | Cambridge | 617 492-7000 | |
| Croxton Collaborative Arch | United States | New York | New York | 212 683-1998 | |
| Gabellini Associates PC | United States | New York | New York | 212 388-1700 | |
| Brandston Partnership Inc. | United States | New York | New York | 212 924-4050 | |
| Renfro Design Group, Inc. | United States | New York | New York | 212 229-9990 | |
| Lighting Matters Inc | United States | Minnesota | Minneapolis | 612 341-2100 | |
| GPW & Assoc., LLC | United States | Kansas | Lawrence | 785 865-2332 | |
| Visual Terrain | United States | Illinois | Evergreen Park | 1-708-907-5958 | |
| The Lighting Studio | United States | Colorado | Denver | 303 595-0900 | |
| Becky Bowen Lighting Design | United States | Texas | Houston | 713 861-8122 | |
| Horton Lees Brogden Lighting Design | United States | California | San Francisco | 415 348-8273 | |
| Reese Engineering | United States | Illinois | Chicago | ||
| Furman & Furman | United States | New York | New York | 212 292-2800 | |
| Echeverria Design Group | United States | Florida | Coral Gables | 305 444-0505 | |
| FRCH Design Worldwide | United States | Ohio | Cincinnati | 513 241-3000 | |
| Domain Interiors & Design Center | United States | Texas | El Paso | 915 542-3444 | |
| Integrated Lighting | United States | California | Westlake Village | 805 497-6604 | |
| Illuminosa | United States | California | Berkeley | 510 525-3670 | |
| William Armstrong Lighting Design | United States | New York | New York | 212-938-1150 | |
| Horton Lees Brogden Lighting Design | United States | Massachusetts | Cambridge | 617 229-5190 | |
| Verner Johnson, Inc | United States | Massachusetts | Waltham | 617 437-6262 | |
| Yeager Design, LLC | United States | California | West Hollywood | 310 993-8457 | |
| Lightn Up | United States | District of Columbia | Washington | 202 257-7766 | |
| Alfred Scholze & Associates | United States | California | Venice | 310-396-8600 | |
| Gary Steffy Lighting Design | United States | Michigan | Ann Arbor | 313 747.6630 | |
| FRCH Design Worldwide | United States | New York | New York | 212 254-1229 | |
| Pinkney Associates LLC | United States | Massachusetts | North Falmouth | 508-563-1313 |