E. F. Johnson Company Building and E. F. Johnson Company Employees. Material: paper. Size: 8 1/2" x 14" black and white photograph of a large group of E. F. Johnson Co. employees pictured in front of the main entrance of the new E. F. Johnson Company corporate headquarters on 10th Avenue S.W., Waseca, MN; 299 Johnson Avenue S.W., Waseca, MN. Photographer: Huneke Studio, Waseca, Minnesota.