The Compo Company Limited, Lachine, Quebec, Canada. The company was founded in 1919 by Harold Berliner, son of the recording pioneer Emile Berliner. 

Not listed in Rust [R].
Listed by Staunton [T], in period 1930-1939. 

Records in collection:

F008 sc3 APEX The Compo Co. Limited. Lachine, Que. Canada
8381-A.  I MISS MY SWISS (My Swiss Miss Misses Me)  (Gilberg, Baer)
The Happiness Bopys (Bill Jones and Ernest Hare) Duet with piano accordion.
8381-B.  OH SAY! CAN I SSEE YOU TONIGHT (Creamer, Schuster, Flatow).  Ibid.

F025 c3+ APEX The Compo Co. Limited, Lachine, Que, Canada.
535-A.  WHERE THE RIVER SHANNON FLOWS (Russell).  Tenor.
535-B.  ANNE LAURIE (Douglas, Scott).  Tenor. [No artist indicated - unless his/er name was ‘Tenor'.)