Source: Aurora (1931) Ad:

PYRAMID OIL COMPANY
High Test Gasoline - High Grade Oil
Tires - Accessories - Greases
QUALITY - SERVICE - SATISFACTION
PHONE: 245     N. Manchester, Ind.

Pyramid Oil Company in 1938, 106 North Mill St., North Manchester

 Source: Certificate of Business, Wabash County Partnership Book 1 (1941-1985), p. 473, October 7, 1970:

The Pyramid Tire & Rubber Company

Tire and rubber business
106 North Mill Street, North Manchester, Indiana
Charles Everett Willcox, resides at 312 North Mill Street, North Manchester, Indiana