Sar Engineering is the biggest rival of APi Systems Group. Sar Engineering was founded in 1981, and its headquarters is in Quincy, Massachusetts. Sar Engineering operates in the Electrical Components & Equipment industry. Sar Engineering has 206 more employees than APi Systems Group.
Cdallc has been one of APi Systems Group's top competitors. Cdallc is a Private company that was founded in Westport, Connecticut in undefined. Cdallc is in the Interior Design Services industry. Cdallc has 42 more employees vs. APi Systems Group.
Mack Video Productions is APi Systems Group's #3 rival. Mack Video Productions was founded in 2000 in Harrisburg, Pennsylvania. Mack Video Productions is in the Motion Picture and Video Production field. Mack Video Productions generates $18.4M less revenue than APi Systems Group.