Speed Publishing Company bought (and/or was created to publish) Speed Comics, previously published by Brookwood Publishing Company, Inc., which was associated with Frank Z. Temerson. See also other Temerson companies especially the concurrently active Tem Publishing Co., Inc. and Nita Publishing Co., Inc. as well as their immediate successor Helnit Publishing Co., Inc. which published the initial issues of later Harvey series Green Hornet Comics.
The above information was assembled by Henry Andrews, Frank Motler, Steven Rowe, Bob Hughes, www.bipcomics.com and www.goldenagecomics.co.uk.