- Omas Pens 1-888-960-6665br OMAS Pens is an Italian manufacturer of fine fountain and rollerball pens. OMAS was founded in 1925 by Armando Simoni who was an artist, skillful engineer and a true pen enthusiast. His extensive knowledge in the art of the ancient world has influenced the OMAS fountain pen style which is known for classic styling and good design. Omas pens fine writing instruments are still made in Bologna, Italy.