| company | role | hq | verified |
|---|
| DAVIS-ULMER FIRE PROTECTION | DIST | Liverpool, NY (US) | 1 mfrs |
| DBC Marine Safety System Ltd | DIST | Delta, BC (CA) | 1 mfrs |
| Defense Fire Protection defensefirepro.com | DIST | Calgary, AB (CA) | 1 mfrs |
| Delta Fire Systems deltafiresystems.com | DIST | Meridian, ID (US) | 1 mfrs |
| Detection Technologies LLC | DIST | Palo Alto, CA (US) | 1 mfrs |
| DIMAR SYSTEMS LLC dimarsystems.net | DIST | Las Cruces, NM (US) | 1 mfrs |
| Don Brenton's Fire Protection Ltd | DIST | Beechville, NS (CA) | 1 mfrs |
| Dooley A Total Safety Company dooleyfire.com | DIST | Deer Park, TX (US) | 1 mfrs |
| Driscoll Automatic Controls driscollautomatic.com | DIST | Tulsa, OK (US) | 1 mfrs |
| EAGLE FIRE INC. eaglefire.com | DIST | Richmond, VA (US) | 1 mfrs |
| EASTERN FIRE easternfiregroup.com | DIST | Auburn, ME (US) | 1 mfrs |
| ELECTRIC SCIENTIFIC/Viking electricscientific.com | DIST | St Paul, MN (US) | 1 mfrs |
| ELITE FIRE SERVICES INC. elitefireservices.com | DIST | Waipahu, HI (US) | 1 mfrs |
| Elite International Fire Protection LLC eliteintlfire.com | DIST | San Antonio, TX (US) | 1 mfrs |
| EMF FIRE SOLUTIONS INC. emffire.net | DIST | Chino, CA (US) | 1 mfrs |
| Eustis Company Inc. eustispyrocom.com | DIST | Lynnwood, WA (US) | 1 mfrs |
| Everguard Fire & Safety everguardfiresafety.com | DIST | Val-d'Or, QC (CA) | 1 mfrs |
| EVERON LLC everonsolutions.com | DIST | San Diego, CA (US) | 1 mfrs |
| Falcon Fire Services LLC | DIST | Mokena, IL (US) | 1 mfrs |
| F.E. MORAN INCORPORATED femoranshs.com | DIST | Northbrook, IL (US) | 1 mfrs |