AccuMold Holdings is one of Sigmaproeng's top competitors. AccuMold Holdings was founded in 1985, and its headquarters is in Ankeny, Iowa. Like Sigmaproeng, AccuMold Holdings also works within the Professional Services sector. AccuMold Holdings has 320 more employees than Sigmaproeng.
Janstar Janitorial Service is Sigmaproeng's #2 rival. Janstar Janitorial Service was founded in undefined in , . Janstar Janitorial Service operates in the Computers, Peripherals, Networking and Electronic Equipment industry. Janstar Janitorial Service generates $ less revenue than Sigmaproeng.