Kennedy Kilns
Victor - Máquina de Calcular Electrónica, de Secretária (Modelo 12-111)
The Engineering Company if Portugal, Ltd.
Trench, Tunnel & Pipe Work by Compressed Air
The Northwest Exhaust
Victor - Máquina de Calcular Electrónica, de Secretária (Modelo 1503)
Cameron - Steam pumps
Randolph - Extintor de incêndio de gás carbónico
Permutit