| SPARC International, Inc. | California |
| SPARE CS, Inc. | |
| Spare Labs, Inc. | |
| Spare to Share, LLC | Illinois |
| Spare-it, Inc. | Massachusetts |
| Sparian Biosciences, Inc. | New York |
| Spark Biomedical, Inc. | |
| Spark Biomedical, Inc. | |
| SPARK Business Works | |
| Spark Capital | California |
| Spark Compass | |
| Spark Equation | Illinois |
| Spark Generation | |
| Spark Hire, Inc. | Illinois |
| Spark Inbound Marketing, Inc. | California |
| Spark Logix Studios | |
| Spark Neuro, Inc. | New York |
| Spark Plug Games, LLC | North Carolina |
| Spark Power | |
| Spark Punch, LLC | |
| SPARK Strategic Ideas | |
| Spark Unlimited | California |
| Spark Xyz, Inc. | |
| Spark451, Inc. | |
| SPARK6, Inc. | |
| Sparkart Group, Inc. | California |
| SparkBeyond | New York |
| Sparkcentral | California |
| Sparkcharge | |
| Sparkfactor | |
| SparkFun Electronics | Colorado |
| Sparkhound | |
| SparkLabs Global Ventures | California |
| Sparkland Capital | California |
| Sparkle Power, Inc. | California |
| SparkMeter | District of Columbia |
| SparkNET | Wisconsin |
| Sparkovation Advisors | Texas |
| SparkPath Technologies | California |
| SparkReel, LLC | Illinois |
| Sparks Marketing Communications | |
| Sparks Marketing Corporation | |
| Sparks SEO, LLC | |
| Sparktopus, Inc. | |
| SparkToro | Washington |
| Sparky | Massachusetts |
| Sparkz Marketing | |
| Sparq | Georgia |
| Sparq Designs | |
| Sparrow | |